$168
                                                                             $0
                                                                           $178
                                                                           $178
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                        $40,000
                                                                        $40,000
                                                                             $0
                                                                        $92,000
                                                                        $92,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                         $3,671
                                                                         $3,671
                                                                             $0
                                                                         $3,675
                                                                         $3,675
 Total Annual PWS Lead Service Replacement Costs
                                                                           $564
                                                                        $86,000
                                                                        $85,000
                                                                         $1,268
                                                                       $159,000
                                                                       $157,000
 Household Lead Service Line Replacement (Mandatory)
                                                                           $161
                                                                             $0
                                                                          $-161
                                                                           $252
                                                                             $0
                                                                          $-252
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                        $11,000
                                                                        $11,000
                                                                             $0
                                                                        $16,000
                                                                        $16,000
 Total Annual Lead Service Replacement Costs
                                                                           $725
                                                                        $97,000
                                                                        $96,000
                                                                         $1,520
                                                                       $175,000
                                                                       $173,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.362: National Annualized Lead Service Line Replacement Costs - Public CWS of Size 100 and Fewer Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                        $32,000
                                                                        $32,000
                                                                             $0
                                                                        $77,000
                                                                        $77,000
 System Lead Service Line Replacement (Mandatory)
                                                                            $99
                                                                        $12,000
                                                                        $12,000
                                                                        $25,000
                                                                        $96,000
                                                                        $71,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $6,199
                                                                         $6,199
                                                                             $0
                                                                         $5,774
                                                                         $5,774
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                            $23
                                                                         $9,232
                                                                         $9,209
                                                                           $723
                                                                        $16,000
                                                                        $15,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                           $241
                                                                           $241
                                                                             $0
                                                                           $241
                                                                           $241
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                           $783
                                                                           $783
                                                                             $0
                                                                         $9,857
                                                                         $9,857
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                         $6,050
                                                                         $6,050
                                                                             $0
                                                                         $5,793
                                                                         $5,793
 Total Annual PWS Lead Service Replacement Costs
                                                                           $122
                                                                        $66,000
                                                                        $66,000
                                                                        $25,000
                                                                       $211,000
                                                                       $186,000
 Household Lead Service Line Replacement (Mandatory)
                                                                            $30
                                                                             $0
                                                                           $-30
                                                                         $5,030
                                                                             $0
                                                                        $-5,030
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                           $152
                                                                        $66,000
                                                                        $66,000
                                                                        $30,000
                                                                       $211,000
                                                                       $181,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.363: National Annualized Lead Service Line Replacement Costs - Public CWS of Size 101 to 500 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                        $94,000
                                                                        $94,000
                                                                             $0
                                                                       $292,000
                                                                       $292,000
 System Lead Service Line Replacement (Mandatory)
                                                                         $2,515
                                                                       $177,000
                                                                       $174,000
                                                                       $451,000
                                                                       $109,000
                                                                      $-342,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                        $14,000
                                                                        $14,000
                                                                             $0
                                                                        $14,000
                                                                        $14,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                           $130
                                                                        $37,000
                                                                        $37,000
                                                                         $6,720
                                                                        $10,000
                                                                         $3,445
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                        $13,000
                                                                        $13,000
                                                                             $0
                                                                       $158,000
                                                                       $158,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                        $14,000
                                                                        $14,000
                                                                             $0
                                                                        $17,000
                                                                        $17,000
 Total Annual PWS Lead Service Replacement Costs
                                                                         $2,645
                                                                       $349,000
                                                                       $346,000
                                                                       $458,000
                                                                       $601,000
                                                                       $143,000
 Household Lead Service Line Replacement (Mandatory)
                                                                           $766
                                                                             $0
                                                                          $-766
                                                                        $92,000
                                                                             $0
                                                                       $-92,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                         $3,411
                                                                       $349,000
                                                                       $345,000
                                                                       $550,000
                                                                       $601,000
                                                                        $51,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.364: National Annualized Lead Service Line Replacement Costs - Public CWS of Size 501 to 1,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                        $73,000
                                                                        $73,000
                                                                             $0
                                                                       $359,000
                                                                       $359,000
 System Lead Service Line Replacement (Mandatory)
                                                                         $3,855
                                                                       $164,000
                                                                       $160,000
                                                                       $728,000
                                                                        $11,000
                                                                      $-717,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $8,241
                                                                         $8,241
                                                                             $0
                                                                        $12,000
                                                                        $12,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                           $142
                                                                        $19,000
                                                                        $18,000
                                                                         $9,973
                                                                         $1,408
                                                                        $-8,565
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                        $20,000
                                                                        $20,000
                                                                             $0
                                                                       $330,000
                                                                       $330,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                         $9,249
                                                                         $9,249
                                                                             $0
                                                                        $19,000
                                                                        $19,000
 Total Annual PWS Lead Service Replacement Costs
                                                                         $3,996
                                                                       $293,000
                                                                       $289,000
                                                                       $738,000
                                                                       $734,000
                                                                        $-4,291
 Household Lead Service Line Replacement (Mandatory)
                                                                         $1,174
                                                                             $0
                                                                        $-1,174
                                                                       $149,000
                                                                             $0
                                                                      $-149,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                         $5,170
                                                                       $293,000
                                                                       $288,000
                                                                       $887,000
                                                                       $734,000
                                                                      $-153,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.365: National Annualized Lead Service Line Replacement Costs - Public CWS of Size 1,001 to 3,300 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                       $207,000
                                                                       $207,000
                                                                             $0
                                                                       $478,000
                                                                       $478,000
 System Lead Service Line Replacement (Mandatory)
                                                                        $26,000
                                                                       $170,000
                                                                       $144,000
                                                                     $2,059,000
                                                                       $284,000
                                                                    $-1,775,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                        $17,000
                                                                        $17,000
                                                                             $0
                                                                        $31,000
                                                                        $31,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                           $835
                                                                        $14,000
                                                                        $13,000
                                                                        $28,000
                                                                        $19,000
                                                                        $-9,581
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                       $107,000
                                                                       $107,000
                                                                             $0
                                                                       $692,000
                                                                       $692,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                        $24,000
                                                                        $24,000
                                                                             $0
                                                                        $45,000
                                                                        $45,000
 Total Annual PWS Lead Service Replacement Costs
                                                                        $27,000
                                                                       $539,000
                                                                       $512,000
                                                                     $2,087,000
                                                                     $1,548,000
                                                                      $-539,000
 Household Lead Service Line Replacement (Mandatory)
                                                                         $7,950
                                                                             $0
                                                                        $-7,950
                                                                       $422,000
                                                                             $0
                                                                      $-422,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                        $35,000
                                                                       $539,000
                                                                       $504,000
                                                                     $2,509,000
                                                                     $1,548,000
                                                                      $-961,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.366: National Annualized Lead Service Line Replacement Costs - Public CWS of Size 3,301 to 10,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                       $547,000
                                                                       $547,000
                                                                             $0
                                                                     $1,178,000
                                                                     $1,178,000
 System Lead Service Line Replacement (Mandatory)
                                                                        $45,000
                                                                        $34,000
                                                                       $-11,000
                                                                     $3,757,000
                                                                       $149,000
                                                                    $-3,608,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                        $48,000
                                                                        $48,000
                                                                             $0
                                                                        $97,000
                                                                        $97,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                         $1,551
                                                                         $2,293
                                                                           $742
                                                                        $56,000
                                                                         $9,174
                                                                       $-46,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                       $241,000
                                                                       $241,000
                                                                             $0
                                                                     $1,240,000
                                                                     $1,240,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                        $48,000
                                                                        $48,000
                                                                             $0
                                                                        $93,000
                                                                        $93,000
 Total Annual PWS Lead Service Replacement Costs
                                                                        $47,000
                                                                       $921,000
                                                                       $874,000
                                                                     $3,813,000
                                                                     $2,767,000
                                                                    $-1,046,000
 Household Lead Service Line Replacement (Mandatory)
                                                                        $14,000
                                                                             $0
                                                                       $-14,000
                                                                       $770,000
                                                                             $0
                                                                      $-770,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                        $61,000
                                                                       $921,000
                                                                       $860,000
                                                                     $4,583,000
                                                                     $2,767,000
                                                                    $-1,816,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.367: National Annualized Lead Service Line Replacement Costs - Public CWS of Size 10,001 to 50,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                     $1,561,000
                                                                     $1,561,000
                                                                             $0
                                                                     $1,046,000
                                                                     $1,046,000
 System Lead Service Line Replacement (Mandatory)
                                                                       $134,000
                                                                     $6,305,000
                                                                     $6,171,000
                                                                     $5,066,000
                                                                    $19,323,000
                                                                    $14,257,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                        $73,000
                                                                        $73,000
                                                                             $0
                                                                        $85,000
                                                                        $85,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                         $5,712
                                                                       $362,000
                                                                       $356,000
                                                                        $95,000
                                                                     $1,077,000
                                                                       $982,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                     $2,709,000
                                                                     $2,709,000
                                                                             $0
                                                                     $6,848,000
                                                                     $6,848,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                       $306,000
                                                                       $306,000
                                                                             $0
                                                                       $492,000
                                                                       $492,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                     $2,636,000
                                                                     $2,636,000
                                                                             $0
                                                                     $5,386,000
                                                                     $5,386,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                     $1,757,000
                                                                     $1,757,000
                                                                             $0
                                                                     $2,164,000
                                                                     $2,164,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                       $208,000
                                                                       $208,000
                                                                             $0
                                                                       $161,000
                                                                       $161,000
 Total Annual PWS Lead Service Replacement Costs
                                                                       $140,000
                                                                    $15,917,000
                                                                    $15,777,000
                                                                     $5,161,000
                                                                    $36,583,000
                                                                    $31,422,000
 Household Lead Service Line Replacement (Mandatory)
                                                                        $41,000
                                                                             $0
                                                                       $-41,000
                                                                     $1,032,000
                                                                             $0
                                                                    $-1,032,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                     $3,484,000
                                                                     $3,484,000
                                                                             $0
                                                                     $5,927,000
                                                                     $5,927,000
 Total Annual Lead Service Replacement Costs
                                                                       $180,000
                                                                    $19,401,000
                                                                    $19,220,000
                                                                     $6,193,000
                                                                    $42,509,000
                                                                    $36,316,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.368: National Annualized Lead Service Line Replacement Costs - Public CWS of Size 50,001 to 100,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                       $368,000
                                                                       $368,000
                                                                             $0
                                                                       $294,000
                                                                       $294,000
 System Lead Service Line Replacement (Mandatory)
                                                                        $45,000
                                                                     $1,449,000
                                                                     $1,403,000
                                                                     $1,766,000
                                                                     $4,777,000
                                                                     $3,011,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                        $26,000
                                                                        $26,000
                                                                             $0
                                                                        $22,000
                                                                        $22,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                         $2,037
                                                                        $86,000
                                                                        $84,000
                                                                        $34,000
                                                                       $238,000
                                                                       $204,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                       $576,000
                                                                       $576,000
                                                                             $0
                                                                     $2,370,000
                                                                     $2,370,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                        $67,000
                                                                        $67,000
                                                                             $0
                                                                       $148,000
                                                                       $148,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                       $706,000
                                                                       $706,000
                                                                             $0
                                                                     $1,538,000
                                                                     $1,538,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                       $467,000
                                                                       $467,000
                                                                             $0
                                                                       $753,000
                                                                       $753,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                        $55,000
                                                                        $55,000
                                                                             $0
                                                                        $40,000
                                                                        $40,000
 Total Annual PWS Lead Service Replacement Costs
                                                                        $47,000
                                                                     $3,800,000
                                                                     $3,753,000
                                                                     $1,800,000
                                                                    $10,180,000
                                                                     $8,379,000
 Household Lead Service Line Replacement (Mandatory)
                                                                        $14,000
                                                                             $0
                                                                       $-14,000
                                                                       $360,000
                                                                             $0
                                                                      $-360,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                       $741,000
                                                                       $741,000
                                                                             $0
                                                                     $2,051,000
                                                                     $2,051,000
 Total Annual Lead Service Replacement Costs
                                                                        $61,000
                                                                     $4,541,000
                                                                     $4,480,000
                                                                     $2,160,000
                                                                    $12,230,000
                                                                    $10,070,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.369: National Annualized Lead Service Line Replacement Costs - Public CWS of Size 100,001 to 1,000,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                       $642,000
                                                                       $642,000
                                                                             $0
                                                                     $1,005,000
                                                                     $1,005,000
 System Lead Service Line Replacement (Mandatory)
                                                                       $151,000
                                                                     $2,566,000
                                                                     $2,415,000
                                                                     $9,360,000
                                                                    $30,647,000
                                                                    $21,286,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                        $22,000
                                                                        $22,000
                                                                             $0
                                                                        $28,000
                                                                        $28,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                         $8,192
                                                                       $192,000
                                                                       $183,000
                                                                       $218,000
                                                                     $1,682,000
                                                                     $1,464,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                     $1,229,000
                                                                     $1,229,000
                                                                             $0
                                                                    $10,862,000
                                                                    $10,862,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                       $173,000
                                                                       $173,000
                                                                             $0
                                                                       $742,000
                                                                       $742,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                     $1,501,000
                                                                     $1,501,000
                                                                             $0
                                                                    $11,576,000
                                                                    $11,576,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                     $1,048,000
                                                                     $1,048,000
                                                                             $0
                                                                     $3,652,000
                                                                     $3,652,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                       $134,000
                                                                       $134,000
                                                                             $0
                                                                       $186,000
                                                                       $186,000
 Total Annual PWS Lead Service Replacement Costs
                                                                       $159,000
                                                                     $7,507,000
                                                                     $7,347,000
                                                                     $9,578,000
                                                                    $60,381,000
                                                                    $50,803,000
 Household Lead Service Line Replacement (Mandatory)
                                                                        $46,000
                                                                             $0
                                                                       $-46,000
                                                                     $1,907,000
                                                                             $0
                                                                    $-1,907,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                     $1,581,000
                                                                     $1,581,000
                                                                             $0
                                                                     $9,401,000
                                                                     $9,401,000
 Total Annual Lead Service Replacement Costs
                                                                       $205,000
                                                                     $9,087,000
                                                                     $8,882,000
                                                                    $11,486,000
                                                                    $69,781,000
                                                                    $58,296,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.370: National Annualized Lead Service Line Replacement Costs - Public CWS of Size Greater than 1,000,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                        $11,000
                                                                        $11,000
                                                                             $0
                                                                        $11,000
                                                                        $11,000
 System Lead Service Line Replacement (Mandatory)
                                                                        $34,000
                                                                       $727,000
                                                                       $693,000
                                                                        $86,000
                                                                       $877,000
                                                                       $791,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $1,486
                                                                         $1,486
                                                                             $0
                                                                         $1,499
                                                                         $1,499
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                         $1,994
                                                                        $51,000
                                                                        $49,000
                                                                         $2,168
                                                                        $45,000
                                                                        $43,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                       $249,000
                                                                       $249,000
                                                                             $0
                                                                       $421,000
                                                                       $421,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                        $34,000
                                                                        $34,000
                                                                             $0
                                                                        $28,000
                                                                        $28,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                           $782
                                                                           $782
                                                                             $0
                                                                           $846
                                                                           $846
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                       $835,000
                                                                       $835,000
                                                                             $0
                                                                     $2,024,000
                                                                     $2,024,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                        $77,000
                                                                        $77,000
                                                                             $0
                                                                        $80,000
                                                                        $80,000
 Total Annual PWS Lead Service Replacement Costs
                                                                        $36,000
                                                                     $1,986,000
                                                                     $1,950,000
                                                                        $88,000
                                                                     $3,488,000
                                                                     $3,401,000
 Household Lead Service Line Replacement (Mandatory)
                                                                        $10,000
                                                                             $0
                                                                       $-10,000
                                                                        $17,000
                                                                             $0
                                                                       $-17,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                       $320,000
                                                                       $320,000
                                                                             $0
                                                                       $364,000
                                                                       $364,000
 Total Annual Lead Service Replacement Costs
                                                                        $46,000
                                                                     $2,306,000
                                                                     $2,260,000
                                                                       $105,000
                                                                     $3,853,000
                                                                     $3,747,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.371: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 100 and Fewer Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                        $85,000
                                                                        $85,000
                                                                             $0
                                                                        $86,000
                                                                        $86,000
 System Lead Service Line Replacement (Mandatory)
                                                                           $401
                                                                         $1,669
                                                                         $1,267
                                                                         $2,039
                                                                         $3,962
                                                                         $1,923
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                            $11
                                                                           $262
                                                                           $251
                                                                            $62
                                                                           $387
                                                                           $325
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual PWS Lead Service Replacement Costs
                                                                           $412
                                                                        $87,000
                                                                        $87,000
                                                                         $2,102
                                                                        $90,000
                                                                        $88,000
 Household Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                           $412
                                                                        $87,000
                                                                        $87,000
                                                                         $2,102
                                                                        $90,000
                                                                        $88,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.372: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 101 to 500 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                        $66,000
                                                                        $66,000
                                                                             $0
                                                                        $66,000
                                                                        $66,000
 System Lead Service Line Replacement (Mandatory)
                                                                            $46
                                                                         $2,920
                                                                         $2,874
                                                                         $2,906
                                                                         $3,512
                                                                           $606
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $5
                                                                           $378
                                                                           $373
                                                                            $55
                                                                           $336
                                                                           $281
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual PWS Lead Service Replacement Costs
                                                                            $51
                                                                        $69,000
                                                                        $69,000
                                                                         $2,962
                                                                        $70,000
                                                                        $67,000
 Household Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                            $51
                                                                        $69,000
                                                                        $69,000
                                                                         $2,962
                                                                        $70,000
                                                                        $67,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.373: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 501 to 1,000 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                        $16,000
                                                                        $16,000
                                                                             $0
                                                                        $16,000
                                                                        $16,000
 System Lead Service Line Replacement (Mandatory)
                                                                             $2
                                                                         $1,247
                                                                         $1,245
                                                                           $507
                                                                         $3,647
                                                                         $3,140
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                            $94
                                                                            $94
                                                                            $18
                                                                           $180
                                                                           $162
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual PWS Lead Service Replacement Costs
                                                                             $2
                                                                        $17,000
                                                                        $17,000
                                                                           $525
                                                                        $20,000
                                                                        $19,000
 Household Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                             $2
                                                                        $17,000
                                                                        $17,000
                                                                           $525
                                                                        $20,000
                                                                        $19,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.374: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 1,001 to 3,300 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                         $7,912
                                                                         $7,912
                                                                             $0
                                                                         $7,832
                                                                         $7,832
 System Lead Service Line Replacement (Mandatory)
                                                                             $1
                                                                           $820
                                                                           $819
                                                                           $887
                                                                         $4,060
                                                                         $3,172
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                            $44
                                                                            $44
                                                                            $12
                                                                           $157
                                                                           $146
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual PWS Lead Service Replacement Costs
                                                                             $1
                                                                         $8,776
                                                                         $8,775
                                                                           $899
                                                                        $12,000
                                                                        $11,000
 Household Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                             $1
                                                                         $8,776
                                                                         $8,775
                                                                           $899
                                                                        $12,000
                                                                        $11,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.375: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 3,301 to 10,000 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                         $2,062
                                                                         $2,062
                                                                             $0
                                                                         $2,047
                                                                         $2,047
 System Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                            $73
                                                                            $73
                                                                            $94
                                                                           $593
                                                                           $499
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                             $4
                                                                             $4
                                                                             $1
                                                                            $18
                                                                            $17
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual PWS Lead Service Replacement Costs
                                                                             $0
                                                                         $2,140
                                                                         $2,139
                                                                            $95
                                                                         $2,658
                                                                         $2,562
 Household Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                             $0
                                                                         $2,140
                                                                         $2,139
                                                                            $95
                                                                         $2,658
                                                                         $2,562
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.376: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 10,001 to 50,000 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                           $245
                                                                           $245
                                                                             $0
                                                                           $244
                                                                           $244
 System Lead Service Line Replacement (Mandatory)
                                                                             $1
                                                                             $9
                                                                             $8
                                                                            $11
                                                                            $75
                                                                            $63
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $2
                                                                             $2
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual PWS Lead Service Replacement Costs
                                                                             $1
                                                                           $255
                                                                           $254
                                                                            $11
                                                                           $320
                                                                           $309
 Household Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                             $1
                                                                           $255
                                                                           $254
                                                                            $11
                                                                           $320
                                                                           $309
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.377: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 50,001 to 100,000 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                            $54
                                                                            $54
                                                                             $0
                                                                            $53
                                                                            $53
 System Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $2
                                                                             $2
                                                                             $3
                                                                            $18
                                                                            $15
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual PWS Lead Service Replacement Costs
                                                                             $0
                                                                            $56
                                                                            $56
                                                                             $3
                                                                            $72
                                                                            $69
 Household Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                             $0
                                                                            $56
                                                                            $56
                                                                             $3
                                                                            $72
                                                                            $69
 Notes: Detail may not add exactly to total due to independent rounding.