Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                        $54,000
                                                                        $54,000
                                                                             $0
                                                                       $163,000
                                                                       $163,000
 System Lead Service Line Replacement (Mandatory)
                                                                         $1,410
                                                                        $83,000
                                                                        $82,000
                                                                       $230,000
                                                                        $19,000
                                                                      $-211,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $8,803
                                                                         $8,803
                                                                             $0
                                                                         $8,741
                                                                         $8,741
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                            $81
                                                                        $21,000
                                                                        $21,000
                                                                         $3,584
                                                                         $3,098
                                                                          $-487
 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
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                         $6,403
                                                                         $6,403
                                                                             $0
                                                                        $82,000
                                                                        $82,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                         $8,886
                                                                         $8,886
                                                                             $0
                                                                        $11,000
                                                                        $11,000
 Total Annual PWS Lead Service Replacement Costs
                                                                         $1,491
                                                                       $183,000
                                                                       $182,000
                                                                       $233,000
                                                                       $286,000
                                                                        $53,000
 Household Lead Service Line Replacement (Mandatory)
                                                                           $429
                                                                             $0
                                                                          $-429
                                                                        $47,000
                                                                             $0
                                                                       $-47,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                         $1,921
                                                                       $183,000
                                                                       $181,000
                                                                       $280,000
                                                                       $286,000
                                                                         $6,237
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.346: National Annualized Lead Service Line Replacement Costs - Private 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
                                                                        $17,000
                                                                        $17,000
                                                                             $0
                                                                        $84,000
                                                                        $84,000
 System Lead Service Line Replacement (Mandatory)
                                                                         $1,338
                                                                        $42,000
                                                                        $41,000
                                                                       $177,000
                                                                         $1,183
                                                                      $-176,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $1,925
                                                                         $1,925
                                                                             $0
                                                                         $3,000
                                                                         $3,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                            $47
                                                                         $5,414
                                                                         $5,367
                                                                         $2,454
                                                                           $196
                                                                        $-2,258
 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
                                                                         $4,137
                                                                         $4,137
                                                                             $0
                                                                        $73,000
                                                                        $73,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                         $2,111
                                                                         $2,111
                                                                             $0
                                                                         $4,570
                                                                         $4,570
 Total Annual PWS Lead Service Replacement Costs
                                                                         $1,385
                                                                        $73,000
                                                                        $71,000
                                                                       $180,000
                                                                       $166,000
                                                                       $-13,000
 Household Lead Service Line Replacement (Mandatory)
                                                                           $407
                                                                             $0
                                                                          $-407
                                                                        $36,000
                                                                             $0
                                                                       $-36,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                         $1,792
                                                                        $73,000
                                                                        $71,000
                                                                       $216,000
                                                                       $166,000
                                                                       $-50,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.347: National Annualized Lead Service Line Replacement Costs - Private 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
                                                                        $27,000
                                                                        $27,000
                                                                             $0
                                                                        $61,000
                                                                        $61,000
 System Lead Service Line Replacement (Mandatory)
                                                                         $1,864
                                                                        $10,000
                                                                         $8,528
                                                                       $281,000
                                                                        $42,000
                                                                      $-240,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $2,357
                                                                         $2,357
                                                                             $0
                                                                         $4,035
                                                                         $4,035
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                            $62
                                                                           $977
                                                                           $915
                                                                         $3,907
                                                                         $3,060
                                                                          $-847
 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
                                                                        $14,000
                                                                        $14,000
                                                                             $0
                                                                        $83,000
                                                                        $83,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                         $3,172
                                                                         $3,172
                                                                             $0
                                                                         $5,694
                                                                         $5,694
 Total Annual PWS Lead Service Replacement Costs
                                                                         $1,927
                                                                        $58,000
                                                                        $56,000
                                                                       $285,000
                                                                       $199,000
                                                                       $-86,000
 Household Lead Service Line Replacement (Mandatory)
                                                                           $568
                                                                             $0
                                                                          $-568
                                                                        $58,000
                                                                             $0
                                                                       $-58,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                         $2,494
                                                                        $58,000
                                                                        $55,000
                                                                       $343,000
                                                                       $199,000
                                                                      $-144,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.348: National Annualized Lead Service Line Replacement Costs - Private 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
                                                                        $43,000
                                                                        $43,000
                                                                             $0
                                                                        $97,000
                                                                        $97,000
 System Lead Service Line Replacement (Mandatory)
                                                                         $1,531
                                                                             $0
                                                                        $-1,531
                                                                       $347,000
                                                                             $0
                                                                      $-347,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $3,932
                                                                         $3,932
                                                                             $0
                                                                         $8,247
                                                                         $8,247
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                            $53
                                                                             $0
                                                                           $-53
                                                                         $5,186
                                                                             $0
                                                                        $-5,186
 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
                                                                        $18,000
                                                                        $18,000
                                                                             $0
                                                                        $99,000
                                                                        $99,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                         $3,803
                                                                         $3,803
                                                                             $0
                                                                         $7,739
                                                                         $7,739
 Total Annual PWS Lead Service Replacement Costs
                                                                         $1,584
                                                                        $69,000
                                                                        $67,000
                                                                       $352,000
                                                                       $212,000
                                                                      $-140,000
 Household Lead Service Line Replacement (Mandatory)
                                                                           $466
                                                                             $0
                                                                          $-466
                                                                        $71,000
                                                                             $0
                                                                       $-71,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                         $2,050
                                                                        $69,000
                                                                        $67,000
                                                                       $424,000
                                                                       $212,000
                                                                      $-212,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.349: National Annualized Lead Service Line Replacement Costs - Private 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
                                                                       $167,000
                                                                       $167,000
                                                                             $0
                                                                       $107,000
                                                                       $107,000
 System Lead Service Line Replacement (Mandatory)
                                                                        $15,000
                                                                       $623,000
                                                                       $609,000
                                                                       $706,000
                                                                     $2,182,000
                                                                     $1,477,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $7,200
                                                                         $7,200
                                                                             $0
                                                                         $8,165
                                                                         $8,165
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                           $623
                                                                        $34,000
                                                                        $34,000
                                                                        $13,000
                                                                       $118,000
                                                                       $105,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                       $336,000
                                                                       $336,000
                                                                             $0
                                                                       $807,000
                                                                       $807,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                        $38,000
                                                                        $38,000
                                                                             $0
                                                                        $58,000
                                                                        $58,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                       $268,000
                                                                       $268,000
                                                                             $0
                                                                       $587,000
                                                                       $587,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                       $194,000
                                                                       $194,000
                                                                             $0
                                                                       $230,000
                                                                       $230,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                        $22,000
                                                                        $22,000
                                                                             $0
                                                                        $16,000
                                                                        $16,000
 Total Annual PWS Lead Service Replacement Costs
                                                                        $15,000
                                                                     $1,690,000
                                                                     $1,675,000
                                                                       $719,000
                                                                     $4,114,000
                                                                     $3,395,000
 Household Lead Service Line Replacement (Mandatory)
                                                                         $4,416
                                                                             $0
                                                                        $-4,416
                                                                       $144,000
                                                                             $0
                                                                      $-144,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                       $432,000
                                                                       $432,000
                                                                             $0
                                                                       $698,000
                                                                       $698,000
 Total Annual Lead Service Replacement Costs
                                                                        $20,000
                                                                     $2,123,000
                                                                     $2,103,000
                                                                       $863,000
                                                                     $4,812,000
                                                                     $3,949,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.350: National Annualized Lead Service Line Replacement Costs - Private 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
                                                                        $37,000
                                                                        $37,000
                                                                             $0
                                                                        $28,000
                                                                        $28,000
 System Lead Service Line Replacement (Mandatory)
                                                                        $16,000
                                                                       $160,000
                                                                       $144,000
                                                                       $124,000
                                                                       $515,000
                                                                       $391,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $2,547
                                                                         $2,547
                                                                             $0
                                                                         $2,053
                                                                         $2,053
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                           $738
                                                                         $9,274
                                                                         $8,537
                                                                         $2,403
                                                                        $25,000
                                                                        $23,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                        $81,000
                                                                        $81,000
                                                                             $0
                                                                       $201,000
                                                                       $201,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                         $8,932
                                                                         $8,932
                                                                             $0
                                                                        $12,000
                                                                        $12,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                        $84,000
                                                                        $84,000
                                                                             $0
                                                                       $163,000
                                                                       $163,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                        $45,000
                                                                        $45,000
                                                                             $0
                                                                        $70,000
                                                                        $70,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                         $5,358
                                                                         $5,358
                                                                             $0
                                                                         $3,770
                                                                         $3,770
 Total Annual PWS Lead Service Replacement Costs
                                                                        $17,000
                                                                       $434,000
                                                                       $417,000
                                                                       $126,000
                                                                     $1,020,000
                                                                       $894,000
 Household Lead Service Line Replacement (Mandatory)
                                                                         $4,978
                                                                             $0
                                                                        $-4,978
                                                                        $25,000
                                                                             $0
                                                                       $-25,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                       $104,000
                                                                       $104,000
                                                                             $0
                                                                       $174,000
                                                                       $174,000
 Total Annual Lead Service Replacement Costs
                                                                        $22,000
                                                                       $538,000
                                                                       $516,000
                                                                       $151,000
                                                                     $1,193,000
                                                                     $1,042,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.351: National Annualized Lead Service Line Replacement Costs - Private 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
                                                                       $112,000
                                                                       $112,000
                                                                             $0
                                                                       $174,000
                                                                       $174,000
 System Lead Service Line Replacement (Mandatory)
                                                                        $19,000
                                                                       $432,000
                                                                       $413,000
                                                                     $1,568,000
                                                                     $5,006,000
                                                                     $3,439,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $3,632
                                                                         $3,632
                                                                             $0
                                                                         $4,670
                                                                         $4,670
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                         $1,034
                                                                        $32,000
                                                                        $31,000
                                                                        $36,000
                                                                       $272,000
                                                                       $236,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                       $373,000
                                                                       $373,000
                                                                             $0
                                                                     $1,784,000
                                                                     $1,784,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                        $51,000
                                                                        $51,000
                                                                             $0
                                                                       $122,000
                                                                       $122,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                       $246,000
                                                                       $246,000
                                                                             $0
                                                                     $1,933,000
                                                                     $1,933,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                       $181,000
                                                                       $181,000
                                                                             $0
                                                                       $630,000
                                                                       $630,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                        $23,000
                                                                        $23,000
                                                                             $0
                                                                        $32,000
                                                                        $32,000
 Total Annual PWS Lead Service Replacement Costs
                                                                        $20,000
                                                                     $1,453,000
                                                                     $1,433,000
                                                                     $1,604,000
                                                                     $9,959,000
                                                                     $8,355,000
 Household Lead Service Line Replacement (Mandatory)
                                                                         $5,760
                                                                             $0
                                                                        $-5,760
                                                                       $319,000
                                                                             $0
                                                                      $-319,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                       $480,000
                                                                       $480,000
                                                                             $0
                                                                     $1,544,000
                                                                     $1,544,000
 Total Annual Lead Service Replacement Costs
                                                                        $26,000
                                                                     $1,933,000
                                                                     $1,907,000
                                                                     $1,923,000
                                                                    $11,504,000
                                                                     $9,580,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.352: National Annualized Lead Service Line Replacement Costs - Private 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
                                                                         $1,092
                                                                         $1,092
                                                                             $0
                                                                         $1,142
                                                                         $1,142
 System Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                         $6,588
                                                                         $6,588
                                                                             $0
                                                                         $9,051
                                                                         $9,051
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                           $156
                                                                           $156
                                                                             $0
                                                                           $156
                                                                           $156
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                           $467
                                                                           $467
                                                                             $0
                                                                           $466
                                                                           $466
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                         $2,879
                                                                         $2,879
                                                                             $0
                                                                         $3,895
                                                                         $3,895
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                           $384
                                                                           $384
                                                                             $0
                                                                           $249
                                                                           $249
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                           $104
                                                                           $104
                                                                             $0
                                                                            $97
                                                                            $97
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                        $18,000
                                                                        $18,000
                                                                             $0
                                                                        $43,000
                                                                        $43,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                         $1,693
                                                                         $1,693
                                                                             $0
                                                                         $1,696
                                                                         $1,696
 Total Annual PWS Lead Service Replacement Costs
                                                                             $0
                                                                        $32,000
                                                                        $32,000
                                                                             $0
                                                                        $59,000
                                                                        $59,000
 Household Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                         $3,703
                                                                         $3,703
                                                                             $0
                                                                         $3,371
                                                                         $3,371
 Total Annual Lead Service Replacement Costs
                                                                             $0
                                                                        $35,000
                                                                        $35,000
                                                                             $0
                                                                        $63,000
                                                                        $63,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.353: National Annualized Lead Service Line Replacement Costs - Public CWS 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
                                                                        $56,000
                                                                        $56,000
                                                                             $0
                                                                       $107,000
                                                                       $107,000
 System Lead Service Line Replacement (Mandatory)
                                                                           $149
                                                                        $12,000
                                                                        $12,000
                                                                        $33,000
                                                                        $86,000
                                                                        $52,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $7,443
                                                                         $7,443
                                                                             $0
                                                                         $5,310
                                                                         $5,310
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                            $37
                                                                         $5,901
                                                                         $5,864
                                                                           $873
                                                                        $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
                                                                             $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
                                                                         $1,440
                                                                         $1,440
                                                                             $0
                                                                        $14,000
                                                                        $14,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                         $7,555
                                                                         $7,555
                                                                             $0
                                                                         $5,444
                                                                         $5,444
 Total Annual PWS Lead Service Replacement Costs
                                                                           $186
                                                                        $91,000
                                                                        $91,000
                                                                        $34,000
                                                                       $233,000
                                                                       $199,000
 Household Lead Service Line Replacement (Mandatory)
                                                                            $45
                                                                             $0
                                                                           $-45
                                                                         $6,857
                                                                             $0
                                                                        $-6,857
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                           $231
                                                                        $91,000
                                                                        $91,000
                                                                        $41,000
                                                                       $233,000
                                                                       $192,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.354: National Annualized Lead Service Line Replacement Costs - Public CWS 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
                                                                       $198,000
                                                                       $198,000
                                                                             $0
                                                                       $507,000
                                                                       $507,000
 System Lead Service Line Replacement (Mandatory)
                                                                         $2,810
                                                                       $249,000
                                                                       $246,000
                                                                       $566,000
                                                                       $126,000
                                                                      $-440,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                        $23,000
                                                                        $23,000
                                                                             $0
                                                                        $22,000
                                                                        $22,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                           $172
                                                                        $50,000
                                                                        $50,000
                                                                         $8,731
                                                                        $12,000
                                                                         $3,712
 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
                                                                       $245,000
                                                                       $245,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                        $23,000
                                                                        $23,000
                                                                             $0
                                                                        $28,000
                                                                        $28,000
 Total Annual PWS Lead Service Replacement Costs
                                                                         $2,981
                                                                       $564,000
                                                                       $561,000
                                                                       $574,000
                                                                       $940,000
                                                                       $366,000
 Household Lead Service Line Replacement (Mandatory)
                                                                           $855
                                                                             $0
                                                                          $-855
                                                                       $116,000
                                                                             $0
                                                                      $-116,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                         $3,837
                                                                       $564,000
                                                                       $560,000
                                                                       $690,000
                                                                       $940,000
                                                                       $250,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.355: National Annualized Lead Service Line Replacement Costs - Public CWS 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
                                                                       $141,000
                                                                       $141,000
                                                                             $0
                                                                       $708,000
                                                                       $708,000
 System Lead Service Line Replacement (Mandatory)
                                                                         $5,115
                                                                       $291,000
                                                                       $286,000
                                                                     $1,229,000
                                                                        $90,000
                                                                    $-1,139,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                        $13,000
                                                                        $13,000
                                                                             $0
                                                                        $24,000
                                                                        $24,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                           $208
                                                                        $35,000
                                                                        $35,000
                                                                        $17,000
                                                                         $5,797
                                                                       $-11,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                           $722
                                                                           $722
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                        $31,000
                                                                        $31,000
                                                                             $0
                                                                       $629,000
                                                                       $629,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                        $15,000
                                                                        $15,000
                                                                             $0
                                                                        $38,000
                                                                        $38,000
 Total Annual PWS Lead Service Replacement Costs
                                                                         $5,323
                                                                       $527,000
                                                                       $522,000
                                                                     $1,246,000
                                                                     $1,494,000
                                                                       $248,000
 Household Lead Service Line Replacement (Mandatory)
                                                                         $1,557
                                                                             $0
                                                                        $-1,557
                                                                       $252,000
                                                                             $0
                                                                      $-252,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                         $6,881
                                                                       $527,000
                                                                       $520,000
                                                                     $1,498,000
                                                                     $1,494,000
                                                                        $-3,492
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.356: National Annualized Lead Service Line Replacement Costs - Public CWS 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
                                                                       $242,000
                                                                       $242,000
                                                                             $0
                                                                       $508,000
                                                                       $508,000
 System Lead Service Line Replacement (Mandatory)
                                                                        $14,000
                                                                       $235,000
                                                                       $222,000
                                                                     $1,663,000
                                                                     $1,282,000
                                                                      $-381,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                        $18,000
                                                                        $18,000
                                                                             $0
                                                                        $32,000
                                                                        $32,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                           $464
                                                                        $20,000
                                                                        $19,000
                                                                        $23,000
                                                                        $73,000
                                                                        $49,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                           $722
                                                                           $722
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                       $100,000
                                                                       $100,000
                                                                             $0
                                                                       $635,000
                                                                       $635,000
 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
                                                                        $14,000
                                                                       $639,000
                                                                       $625,000
                                                                     $1,686,000
                                                                     $2,575,000
                                                                       $889,000
 Household Lead Service Line Replacement (Mandatory)
                                                                         $4,116
                                                                             $0
                                                                        $-4,116
                                                                       $341,000
                                                                             $0
                                                                      $-341,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                        $18,000
                                                                       $639,000
                                                                       $621,000
                                                                     $2,027,000
                                                                     $2,575,000
                                                                       $548,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.357: National Annualized Lead Service Line Replacement Costs - Public CWS 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
                                                                       $358,000
                                                                       $358,000
                                                                             $0
                                                                       $704,000
                                                                       $704,000
 System Lead Service Line Replacement (Mandatory)
                                                                        $15,000
                                                                             $0
                                                                       $-15,000
                                                                     $1,774,000
                                                                       $242,000
                                                                    $-1,532,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                        $29,000
                                                                        $29,000
                                                                             $0
                                                                        $57,000
                                                                        $57,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                           $542
                                                                             $0
                                                                          $-542
                                                                        $27,000
                                                                        $14,000
                                                                       $-12,000
 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
                                                                       $136,000
                                                                       $136,000
                                                                             $0
                                                                       $685,000
                                                                       $685,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                        $28,000
                                                                        $28,000
                                                                             $0
                                                                        $54,000
                                                                        $54,000
 Total Annual PWS Lead Service Replacement Costs
                                                                        $16,000
                                                                       $552,000
                                                                       $536,000
                                                                     $1,801,000
                                                                     $1,756,000
                                                                       $-45,000
 Household Lead Service Line Replacement (Mandatory)
                                                                         $4,657
                                                                             $0
                                                                        $-4,657
                                                                       $363,000
                                                                             $0
                                                                      $-363,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                        $20,000
                                                                       $552,000
                                                                       $531,000
                                                                     $2,164,000
                                                                     $1,756,000
                                                                      $-408,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.358: National Annualized Lead Service Line Replacement Costs - Public CWS 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
                                                                       $577,000
                                                                       $577,000
                                                                             $0
                                                                       $398,000
                                                                       $398,000
 System Lead Service Line Replacement (Mandatory)
                                                                        $44,000
                                                                     $1,455,000
                                                                     $1,412,000
                                                                     $1,658,000
                                                                     $6,143,000
                                                                     $4,485,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                        $27,000
                                                                        $27,000
                                                                             $0
                                                                        $31,000
                                                                        $31,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                         $1,867
                                                                        $88,000
                                                                        $86,000
                                                                        $31,000
                                                                       $362,000
                                                                       $331,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                       $656,000
                                                                       $656,000
                                                                             $0
                                                                     $2,104,000
                                                                     $2,104,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                        $81,000
                                                                        $81,000
                                                                             $0
                                                                       $158,000
                                                                       $158,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                       $645,000
                                                                       $645,000
                                                                             $0
                                                                     $1,769,000
                                                                     $1,769,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                       $618,000
                                                                       $618,000
                                                                             $0
                                                                       $767,000
                                                                       $767,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                        $76,000
                                                                        $76,000
                                                                             $0
                                                                        $59,000
                                                                        $59,000
 Total Annual PWS Lead Service Replacement Costs
                                                                        $45,000
                                                                     $4,223,000
                                                                     $4,178,000
                                                                     $1,690,000
                                                                    $11,793,000
                                                                    $10,103,000
 Household Lead Service Line Replacement (Mandatory)
                                                                        $13,000
                                                                             $0
                                                                       $-13,000
                                                                       $338,000
                                                                             $0
                                                                      $-338,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                       $844,000
                                                                       $844,000
                                                                             $0
                                                                     $1,821,000
                                                                     $1,821,000
 Total Annual Lead Service Replacement Costs
                                                                        $59,000
                                                                     $5,068,000
                                                                     $5,009,000
                                                                     $2,028,000
                                                                    $13,613,000
                                                                    $11,586,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.359: National Annualized Lead Service Line Replacement Costs - Public CWS 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
                                                                       $136,000
                                                                       $136,000
                                                                             $0
                                                                       $109,000
                                                                       $109,000
 System Lead Service Line Replacement (Mandatory)
                                                                        $13,000
                                                                       $392,000
                                                                       $379,000
                                                                       $530,000
                                                                     $1,589,000
                                                                     $1,059,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $9,773
                                                                         $9,773
                                                                             $0
                                                                         $8,326
                                                                         $8,326
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                           $568
                                                                        $25,000
                                                                        $24,000
                                                                        $10,000
                                                                        $80,000
                                                                        $70,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                       $128,000
                                                                       $128,000
                                                                             $0
                                                                       $743,000
                                                                       $743,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                        $16,000
                                                                        $16,000
                                                                             $0
                                                                        $50,000
                                                                        $50,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                       $191,000
                                                                       $191,000
                                                                             $0
                                                                       $511,000
                                                                       $511,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                       $171,000
                                                                       $171,000
                                                                             $0
                                                                       $278,000
                                                                       $278,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                        $21,000
                                                                        $21,000
                                                                             $0
                                                                        $15,000
                                                                        $15,000
 Total Annual PWS Lead Service Replacement Costs
                                                                        $13,000
                                                                     $1,090,000
                                                                     $1,077,000
                                                                       $540,000
                                                                     $3,382,000
                                                                     $2,842,000
 Household Lead Service Line Replacement (Mandatory)
                                                                         $3,828
                                                                             $0
                                                                        $-3,828
                                                                       $108,000
                                                                             $0
                                                                      $-108,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                       $165,000
                                                                       $165,000
                                                                             $0
                                                                       $643,000
                                                                       $643,000
 Total Annual Lead Service Replacement Costs
                                                                        $17,000
                                                                     $1,255,000
                                                                     $1,238,000
                                                                       $648,000
                                                                     $4,025,000
                                                                     $3,378,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.360: National Annualized Lead Service Line Replacement Costs - Public CWS of Size 100,001 to 1,000,000 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
                                                                        $97,000
                                                                        $97,000
                                                                             $0
                                                                       $150,000
                                                                       $150,000
 System Lead Service Line Replacement (Mandatory)
                                                                        $15,000
                                                                       $337,000
                                                                       $322,000
                                                                     $1,216,000
                                                                     $4,154,000
                                                                     $2,939,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $3,812
                                                                         $3,812
                                                                             $0
                                                                         $4,877
                                                                         $4,877
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                           $835
                                                                        $26,000
                                                                        $25,000
                                                                        $28,000
                                                                       $226,000
                                                                       $198,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                       $125,000
                                                                       $125,000
                                                                             $0
                                                                     $1,445,000
                                                                     $1,445,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                        $18,000
                                                                        $18,000
                                                                             $0
                                                                       $100,000
                                                                       $100,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                       $188,000
                                                                       $188,000
                                                                             $0
                                                                     $1,504,000
                                                                     $1,504,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                       $159,000
                                                                       $159,000
                                                                             $0
                                                                       $554,000
                                                                       $554,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                        $21,000
                                                                        $21,000
                                                                             $0
                                                                        $29,000
                                                                        $29,000
 Total Annual PWS Lead Service Replacement Costs
                                                                        $16,000
                                                                       $976,000
                                                                       $960,000
                                                                     $1,244,000
                                                                     $8,167,000
                                                                     $6,923,000
 Household Lead Service Line Replacement (Mandatory)
                                                                         $4,666
                                                                             $0
                                                                        $-4,666
                                                                       $248,000
                                                                             $0
                                                                      $-248,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                       $161,000
                                                                       $161,000
                                                                             $0
                                                                     $1,250,000
                                                                     $1,250,000
 Total Annual Lead Service Replacement Costs
                                                                        $21,000
                                                                     $1,138,000
                                                                     $1,117,000
                                                                     $1,492,000
                                                                     $9,418,000
                                                                     $7,926,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.361: National Annualized Lead Service Line Replacement Costs - Public CWS of Size Greater than 1,000,000 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
                                                                         $2,234
                                                                         $2,234
                                                                             $0
                                                                         $2,246
                                                                         $2,246
 System Lead Service Line Replacement (Mandatory)
                                                                           $532
                                                                        $28,000
                                                                        $27,000
                                                                         $1,236
                                                                        $38,000
                                                                        $37,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                           $311
                                                                           $311
                                                                             $0
                                                                           $311
                                                                           $311
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                            $31
                                                                         $1,942
                                                                         $1,910
                                                                            $31
                                                                         $1,958
                                                                         $1,927
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                         $8,862
                                                                         $8,862
                                                                             $0
                                                                        $19,000
                                                                        $19,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                         $1,200
                                                                         $1,200
                                                                             $0
                                                                         $1,212
                                                                         $1,212
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                           $168