$0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual PWS Lead Service Replacement Costs
                                                                             $1
                                                                           $175
                                                                           $174
                                                                             $9
                                                                           $238
                                                                           $229
 Household Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                             $1
                                                                           $175
                                                                           $174
                                                                             $9
                                                                           $238
                                                                           $229
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.329: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 50,001 to 100,000 Treating Ground Water at 3% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                            $36
                                                                            $36
                                                                             $0
                                                                            $35
                                                                            $35
 System Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $2
                                                                             $2
                                                                             $2
                                                                            $18
                                                                            $16
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual PWS Lead Service Replacement Costs
                                                                             $0
                                                                            $38
                                                                            $38
                                                                             $2
                                                                            $54
                                                                            $51
 Household Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                             $0
                                                                            $38
                                                                            $38
                                                                             $2
                                                                            $54
                                                                            $51
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.330: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 100,001 to 1,000,000 Treating Surface Water at 3% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                            $41
                                                                            $41
                                                                             $0
                                                                            $41
                                                                            $41
 System Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $4
                                                                             $4
                                                                             $3
                                                                            $19
                                                                            $16
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual PWS Lead Service Replacement Costs
                                                                             $0
                                                                            $45
                                                                            $45
                                                                             $3
                                                                            $60
                                                                            $57
 Household Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                             $0
                                                                            $45
                                                                            $45
                                                                             $3
                                                                            $60
                                                                            $57
 Notes: Detail may not add exactly to total due to independent rounding.

7 Percent Discount Rate
 Exhibit C.331: National Annualized Lead Service Line Replacement Costs - All PWS 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
                                                                     $6,863,000
                                                                     $6,863,000
                                                                             $0
                                                                    $10,593,000
                                                                    $10,593,000
 System Lead Service Line Replacement (Mandatory)
                                                                       $638,000
                                                                    $16,681,000
                                                                    $16,044,000
                                                                    $37,623,000
                                                                    $79,869,000
                                                                    $42,246,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                       $467,000
                                                                       $467,000
                                                                             $0
                                                                       $607,000
                                                                       $607,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                        $29,000
                                                                     $1,249,000
                                                                     $1,220,000
                                                                       $704,000
                                                                     $4,438,000
                                                                     $3,734,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                     $6,676,000
                                                                     $6,676,000
                                                                             $0
                                                                    $28,204,000
                                                                    $28,204,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                       $824,000
                                                                       $824,000
                                                                             $0
                                                                     $1,956,000
                                                                     $1,956,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                     $6,636,000
                                                                     $6,636,000
                                                                             $0
                                                                    $25,589,000
                                                                    $25,589,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                     $6,442,000
                                                                     $6,442,000
                                                                             $0
                                                                    $17,189,000
                                                                    $17,189,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                       $965,000
                                                                       $965,000
                                                                             $0
                                                                     $1,118,000
                                                                     $1,118,000
 Total Annual PWS Lead Service Replacement Costs
                                                                       $667,000
                                                                    $46,803,000
                                                                    $46,136,000
                                                                    $38,327,000
                                                                   $169,562,000
                                                                   $131,235,000
 Household Lead Service Line Replacement (Mandatory)
                                                                       $193,000
                                                                             $0
                                                                      $-193,000
                                                                     $7,681,000
                                                                             $0
                                                                    $-7,681,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                     $8,587,000
                                                                     $8,587,000
                                                                             $0
                                                                    $24,409,000
                                                                    $24,409,000
 Total Annual Lead Service Replacement Costs
                                                                       $860,000
                                                                    $55,389,000
                                                                    $54,529,000
                                                                    $46,008,000
                                                                   $193,971,000
                                                                   $147,963,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.332: National Annualized Lead Service Line Replacement Costs - CWS 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
                                                                     $6,674,000
                                                                     $6,674,000
                                                                             $0
                                                                    $10,404,000
                                                                    $10,404,000
 System Lead Service Line Replacement (Mandatory)
                                                                       $637,000
                                                                    $16,673,000
                                                                    $16,036,000
                                                                    $37,614,000
                                                                    $79,849,000
                                                                    $42,236,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                       $467,000
                                                                       $467,000
                                                                             $0
                                                                       $607,000
                                                                       $607,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                        $29,000
                                                                     $1,248,000
                                                                     $1,219,000
                                                                       $704,000
                                                                     $4,437,000
                                                                     $3,733,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                     $6,676,000
                                                                     $6,676,000
                                                                             $0
                                                                    $28,204,000
                                                                    $28,204,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                       $824,000
                                                                       $824,000
                                                                             $0
                                                                     $1,956,000
                                                                     $1,956,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                     $6,636,000
                                                                     $6,636,000
                                                                             $0
                                                                    $25,589,000
                                                                    $25,589,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                     $6,442,000
                                                                     $6,442,000
                                                                             $0
                                                                    $17,189,000
                                                                    $17,189,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                       $965,000
                                                                       $965,000
                                                                             $0
                                                                     $1,118,000
                                                                     $1,118,000
 Total Annual PWS Lead Service Replacement Costs
                                                                       $666,000
                                                                    $46,605,000
                                                                    $45,938,000
                                                                    $38,318,000
                                                                   $169,352,000
                                                                   $131,034,000
 Household Lead Service Line Replacement (Mandatory)
                                                                       $193,000
                                                                             $0
                                                                      $-193,000
                                                                     $7,681,000
                                                                             $0
                                                                    $-7,681,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                     $8,587,000
                                                                     $8,587,000
                                                                             $0
                                                                    $24,409,000
                                                                    $24,409,000
 Total Annual Lead Service Replacement Costs
                                                                       $859,000
                                                                    $55,191,000
                                                                    $54,332,000
                                                                    $45,998,000
                                                                   $193,761,000
                                                                   $147,762,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.333: National Annualized Lead Service Line Replacement Costs - NTNCWS 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
                                                                       $189,000
                                                                       $189,000
                                                                             $0
                                                                       $189,000
                                                                       $189,000
 System Lead Service Line Replacement (Mandatory)
                                                                           $562
                                                                         $8,154
                                                                         $7,592
                                                                         $9,542
                                                                        $20,000
                                                                        $10,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                            $18
                                                                           $909
                                                                           $892
                                                                           $176
                                                                         $1,302
                                                                         $1,126
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual PWS Lead Service Replacement Costs
                                                                           $580
                                                                       $198,000
                                                                       $198,000
                                                                         $9,718
                                                                       $210,000
                                                                       $201,000
 Household Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                           $580
                                                                       $198,000
                                                                       $198,000
                                                                         $9,718
                                                                       $210,000
                                                                       $201,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.334: National Annualized Lead Service Line Replacement Costs - Private PWS 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
                                                                     $1,331,000
                                                                     $1,331,000
                                                                             $0
                                                                     $2,470,000
                                                                     $2,470,000
 System Lead Service Line Replacement (Mandatory)
                                                                        $86,000
                                                                     $2,069,000
                                                                     $1,983,000
                                                                     $5,646,000
                                                                     $9,826,000
                                                                     $4,180,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                       $119,000
                                                                       $119,000
                                                                             $0
                                                                       $125,000
                                                                       $125,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                         $4,056
                                                                       $226,000
                                                                       $222,000
                                                                       $107,000
                                                                       $547,000
                                                                       $441,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                       $995,000
                                                                       $995,000
                                                                             $0
                                                                     $3,393,000
                                                                     $3,393,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                       $126,000
                                                                       $126,000
                                                                             $0
                                                                       $236,000
                                                                       $236,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                       $767,000
                                                                       $767,000
                                                                             $0
                                                                     $3,304,000
                                                                     $3,304,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                       $674,000
                                                                       $674,000
                                                                             $0
                                                                     $2,266,000
                                                                     $2,266,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                       $171,000
                                                                       $171,000
                                                                             $0
                                                                       $193,000
                                                                       $193,000
 Total Annual PWS Lead Service Replacement Costs
                                                                        $90,000
                                                                     $6,479,000
                                                                     $6,389,000
                                                                     $5,752,000
                                                                    $22,360,000
                                                                    $16,607,000
 Household Lead Service Line Replacement (Mandatory)
                                                                        $26,000
                                                                             $0
                                                                       $-26,000
                                                                     $1,153,000
                                                                             $0
                                                                    $-1,153,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                     $1,280,000
                                                                     $1,280,000
                                                                             $0
                                                                     $2,936,000
                                                                     $2,936,000
 Total Annual Lead Service Replacement Costs
                                                                       $116,000
                                                                     $7,758,000
                                                                     $7,643,000
                                                                     $6,906,000
                                                                    $25,296,000
                                                                    $18,390,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.335: National Annualized Lead Service Line Replacement Costs - Public PWS 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
                                                                     $5,532,000
                                                                     $5,532,000
                                                                             $0
                                                                     $8,122,000
                                                                     $8,122,000
 System Lead Service Line Replacement (Mandatory)
                                                                       $552,000
                                                                    $14,612,000
                                                                    $14,060,000
                                                                    $31,977,000
                                                                    $70,043,000
                                                                    $38,066,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                       $347,000
                                                                       $347,000
                                                                             $0
                                                                       $482,000
                                                                       $482,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                        $25,000
                                                                     $1,023,000
                                                                       $998,000
                                                                       $597,000
                                                                     $3,891,000
                                                                     $3,294,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                     $5,681,000
                                                                     $5,681,000
                                                                             $0
                                                                    $24,811,000
                                                                    $24,811,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                       $698,000
                                                                       $698,000
                                                                             $0
                                                                     $1,720,000
                                                                     $1,720,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                     $5,868,000
                                                                     $5,868,000
                                                                             $0
                                                                    $22,285,000
                                                                    $22,285,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                     $5,767,000
                                                                     $5,767,000
                                                                             $0
                                                                    $14,923,000
                                                                    $14,923,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                       $794,000
                                                                       $794,000
                                                                             $0
                                                                       $925,000
                                                                       $925,000
 Total Annual PWS Lead Service Replacement Costs
                                                                       $577,000
                                                                    $40,324,000
                                                                    $39,747,000
                                                                    $32,575,000
                                                                   $147,202,000
                                                                   $114,627,000
 Household Lead Service Line Replacement (Mandatory)
                                                                       $167,000
                                                                             $0
                                                                      $-167,000
                                                                     $6,527,000
                                                                             $0
                                                                    $-6,527,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                     $7,307,000
                                                                     $7,307,000
                                                                             $0
                                                                    $21,473,000
                                                                    $21,473,000
 Total Annual Lead Service Replacement Costs
                                                                       $745,000
                                                                    $47,631,000
                                                                    $46,887,000
                                                                    $39,102,000
                                                                   $168,675,000
                                                                   $129,573,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.336: National Annualized Lead Service Line Replacement Costs - Private 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
                                                                       $327,000
                                                                       $327,000
                                                                             $0
                                                                       $565,000
                                                                       $565,000
 System Lead Service Line Replacement (Mandatory)
                                                                           $620
                                                                        $64,000
                                                                        $63,000
                                                                       $127,000
                                                                         $9,463
                                                                      $-117,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                        $39,000
                                                                        $39,000
                                                                             $0
                                                                        $26,000
                                                                        $26,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                           $190
                                                                        $30,000
                                                                        $30,000
                                                                         $3,834
                                                                         $3,198
                                                                          $-635
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                         $1,445
                                                                         $1,445
                                                                             $0
                                                                           $722
                                                                           $722
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                         $6,450
                                                                         $6,450
                                                                             $0
                                                                        $62,000
                                                                        $62,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                        $39,000
                                                                        $39,000
                                                                             $0
                                                                        $28,000
                                                                        $28,000
 Total Annual PWS Lead Service Replacement Costs
                                                                           $810
                                                                       $508,000
                                                                       $507,000
                                                                       $130,000
                                                                       $694,000
                                                                       $564,000
 Household Lead Service Line Replacement (Mandatory)
                                                                           $189
                                                                             $0
                                                                          $-189
                                                                        $26,000
                                                                             $0
                                                                       $-26,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                           $999
                                                                       $508,000
                                                                       $507,000
                                                                       $156,000
                                                                       $694,000
                                                                       $538,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.337: National Annualized Lead Service Line Replacement Costs - Private 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
                                                                       $271,000
                                                                       $271,000
                                                                             $0
                                                                       $577,000
                                                                       $577,000
 System Lead Service Line Replacement (Mandatory)
                                                                         $4,456
                                                                       $211,000
                                                                       $206,000
                                                                       $559,000
                                                                       $105,000
                                                                      $-455,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                        $29,000
                                                                        $29,000
                                                                             $0
                                                                        $28,000
                                                                        $28,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                           $265
                                                                        $53,000
                                                                        $53,000
                                                                         $9,184
                                                                        $14,000
                                                                         $4,580
 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
                                                                        $19,000
                                                                        $19,000
                                                                             $0
                                                                       $240,000
                                                                       $240,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                        $29,000
                                                                        $29,000
                                                                             $0
                                                                        $34,000
                                                                        $34,000
 Total Annual PWS Lead Service Replacement Costs
                                                                         $4,721
                                                                       $614,000
                                                                       $609,000
                                                                       $569,000
                                                                       $997,000
                                                                       $429,000
 Household Lead Service Line Replacement (Mandatory)
                                                                         $1,357
                                                                             $0
                                                                        $-1,357
                                                                       $115,000
                                                                             $0
                                                                      $-115,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                         $6,078
                                                                       $614,000
                                                                       $608,000
                                                                       $683,000
                                                                       $997,000
                                                                       $314,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.338: National Annualized Lead Service Line Replacement Costs - Private 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
                                                                        $50,000
                                                                        $50,000
                                                                             $0
                                                                       $252,000
                                                                       $252,000
 System Lead Service Line Replacement (Mandatory)
                                                                         $4,217
                                                                        $58,000
                                                                        $54,000
                                                                       $326,000
                                                                        $20,000
                                                                      $-307,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $4,232
                                                                         $4,232
                                                                             $0
                                                                         $8,857
                                                                         $8,857
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                           $140
                                                                         $8,107
                                                                         $7,967
                                                                         $4,595
                                                                         $1,609
                                                                        $-2,986
 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
                                                                         $9,064
                                                                         $9,064
                                                                             $0
                                                                       $212,000
                                                                       $212,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                         $4,715
                                                                         $4,715
                                                                             $0
                                                                        $14,000
                                                                        $14,000
 Total Annual PWS Lead Service Replacement Costs
                                                                         $4,357
                                                                       $134,000
                                                                       $130,000
                                                                       $331,000
                                                                       $508,000
                                                                       $177,000
 Household Lead Service Line Replacement (Mandatory)
                                                                         $1,284
                                                                             $0
                                                                        $-1,284
                                                                        $67,000
                                                                             $0
                                                                       $-67,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                         $5,641
                                                                       $134,000
                                                                       $128,000
                                                                       $398,000
                                                                       $508,000
                                                                       $110,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.339: National Annualized Lead Service Line Replacement Costs - Private 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
                                                                        $41,000
                                                                        $41,000
                                                                             $0
                                                                        $88,000
                                                                        $88,000
 System Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                       $300,000
                                                                        $53,000
                                                                      $-247,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $2,643
                                                                         $2,643
                                                                             $0
                                                                         $5,356
                                                                         $5,356
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                         $4,204
                                                                         $3,233
                                                                          $-970
 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
                                                                        $15,000
                                                                        $15,000
                                                                             $0
                                                                       $105,000
                                                                       $105,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                         $3,547
                                                                         $3,547
                                                                             $0
                                                                         $7,484
                                                                         $7,484
 Total Annual PWS Lead Service Replacement Costs
                                                                             $0
                                                                        $61,000
                                                                        $61,000
                                                                       $304,000
                                                                       $261,000
                                                                       $-42,000
 Household Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                        $61,000
                                                                             $0
                                                                       $-61,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                             $0
                                                                        $61,000
                                                                        $61,000
                                                                       $365,000
                                                                       $261,000
                                                                      $-104,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.340: National Annualized Lead Service Line Replacement Costs - Private 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
                                                                        $46,000
                                                                        $46,000
                                                                             $0
                                                                        $94,000
                                                                        $94,000
 System Lead Service Line Replacement (Mandatory)
                                                                         $7,531
                                                                             $0
                                                                        $-7,531
                                                                       $250,000
                                                                             $0
                                                                      $-250,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $3,605
                                                                         $3,605
                                                                             $0
                                                                         $7,742
                                                                         $7,742
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                           $259
                                                                             $0
                                                                          $-259
                                                                         $3,726
                                                                             $0
                                                                        $-3,726
 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
                                                                        $16,000
                                                                        $16,000
                                                                             $0
                                                                        $90,000
                                                                        $90,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                         $3,436
                                                                         $3,436
                                                                             $0
                                                                         $7,286
                                                                         $7,286
 Total Annual PWS Lead Service Replacement Costs
                                                                         $7,789
                                                                        $69,000
                                                                        $61,000
                                                                       $254,000
                                                                       $199,000
                                                                       $-54,000
 Household Lead Service Line Replacement (Mandatory)
                                                                         $2,293
                                                                             $0
                                                                        $-2,293
                                                                        $51,000
                                                                             $0
                                                                       $-51,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                        $10,000
                                                                        $69,000
                                                                        $59,000
                                                                       $305,000
                                                                       $199,000
                                                                      $-106,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.341: National Annualized Lead Service Line Replacement Costs - Private 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
                                                                        $71,000
                                                                        $71,000
                                                                             $0
                                                                        $49,000
                                                                        $49,000
 System Lead Service Line Replacement (Mandatory)
                                                                         $8,195
                                                                       $260,000
                                                                       $252,000
                                                                       $212,000
                                                                       $806,000
                                                                       $595,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $3,468
                                                                         $3,468
                                                                             $0
                                                                         $3,973
                                                                         $3,973
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                           $351
                                                                        $17,000
                                                                        $17,000
                                                                         $4,000
                                                                        $44,000
                                                                        $40,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                       $133,000
                                                                       $133,000
                                                                             $0
                                                                       $202,000
                                                                       $202,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                        $16,000
                                                                        $16,000
                                                                             $0
                                                                        $16,000
                                                                        $16,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                       $106,000
                                                                       $106,000
                                                                             $0
                                                                       $211,000
                                                                       $211,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                        $76,000
                                                                        $76,000
                                                                             $0
                                                                        $95,000
                                                                        $95,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                         $9,416
                                                                         $9,416
                                                                             $0
                                                                         $7,492
                                                                         $7,492
 Total Annual PWS Lead Service Replacement Costs
                                                                         $8,546
                                                                       $693,000
                                                                       $684,000
                                                                       $216,000
                                                                     $1,436,000
                                                                     $1,220,000
 Household Lead Service Line Replacement (Mandatory)
                                                                         $2,482
                                                                             $0
                                                                        $-2,482
                                                                        $43,000
                                                                             $0
                                                                       $-43,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                       $171,000
                                                                       $171,000
                                                                             $0
                                                                       $175,000
                                                                       $175,000
 Total Annual Lead Service Replacement Costs
                                                                        $11,000
                                                                       $863,000
                                                                       $852,000
                                                                       $259,000
                                                                     $1,611,000
                                                                     $1,352,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.342: National Annualized Lead Service Line Replacement Costs - Private 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
                                                                        $17,000
                                                                        $17,000
                                                                             $0
                                                                        $13,000
                                                                        $13,000
 System Lead Service Line Replacement (Mandatory)
                                                                         $4,124
                                                                        $37,000
                                                                        $33,000
                                                                        $95,000
                                                                       $229,000
                                                                       $134,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $1,149
                                                                         $1,149
                                                                             $0
                                                                           $941
                                                                           $941
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                           $184
                                                                         $2,438
                                                                         $2,254
                                                                         $1,840
                                                                        $11,000
                                                                         $8,905
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                        $35,000
                                                                        $35,000
                                                                             $0
                                                                        $96,000
                                                                        $96,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                         $4,118
                                                                         $4,118
                                                                             $0
                                                                         $5,877
                                                                         $5,877
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                        $20,000
                                                                        $20,000
                                                                             $0
                                                                        $68,000
                                                                        $68,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                        $23,000
                                                                        $23,000
                                                                             $0
                                                                        $37,000
                                                                        $37,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                         $2,641
                                                                         $2,641
                                                                             $0
                                                                         $1,864
                                                                         $1,864
 Total Annual PWS Lead Service Replacement Costs
                                                                         $4,308
                                                                       $142,000
                                                                       $138,000
                                                                        $97,000
                                                                       $463,000
                                                                       $366,000
 Household Lead Service Line Replacement (Mandatory)
                                                                         $1,249
                                                                             $0
                                                                        $-1,249
                                                                        $19,000
                                                                             $0
                                                                       $-19,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                        $45,000
                                                                        $45,000
                                                                             $0
                                                                        $83,000
                                                                        $83,000
 Total Annual Lead Service Replacement Costs
                                                                         $5,557
                                                                       $187,000
                                                                       $181,000
                                                                       $116,000
                                                                       $546,000
                                                                       $430,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.343: National Annualized Lead Service Line Replacement Costs - Private 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
                                                                        $20,000
                                                                        $20,000
                                                                             $0
                                                                        $32,000
                                                                        $32,000
 System Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                        $69,000
                                                                        $69,000
                                                                       $316,000
                                                                       $827,000
                                                                       $511,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                           $948
                                                                           $948
                                                                             $0
                                                                         $1,241
                                                                         $1,241
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                         $5,204
                                                                         $5,204
                                                                         $7,367
                                                                        $47,000
                                                                        $39,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                        $34,000
                                                                        $34,000
                                                                             $0
                                                                       $299,000
                                                                       $299,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                         $4,898
                                                                         $4,898
                                                                             $0
                                                                        $21,000
                                                                        $21,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                        $43,000
                                                                        $43,000
                                                                             $0
                                                                       $341,000
                                                                       $341,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                        $27,000
                                                                        $27,000
                                                                             $0
                                                                        $99,000
                                                                        $99,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                         $4,190
                                                                         $4,190
                                                                             $0
                                                                         $5,863
                                                                         $5,863
 Total Annual PWS Lead Service Replacement Costs
                                                                             $0
                                                                       $209,000
                                                                       $209,000
                                                                       $323,000
                                                                     $1,672,000
                                                                     $1,349,000
 Household Lead Service Line Replacement (Mandatory)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                        $64,000
                                                                             $0
                                                                       $-64,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                        $44,000
                                                                        $44,000
                                                                             $0
                                                                       $259,000
                                                                       $259,000
 Total Annual Lead Service Replacement Costs
                                                                             $0
                                                                       $252,000
                                                                       $252,000
                                                                       $387,000
                                                                     $1,931,000
                                                                     $1,544,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.344: National Annualized Lead Service Line Replacement Costs - Private CWS of Size 100 and Fewer Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Lead Service Line Inventory
                                                                             $0
                                                                        $30,000
                                                                        $30,000
                                                                             $0
                                                                        $85,000
                                                                        $85,000
 System Lead Service Line Replacement (Mandatory)
                                                                           $203
                                                                        $11,000
                                                                        $11,000
                                                                        $29,000
                                                                         $3,556
                                                                       $-25,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                         $5,171
                                                                         $5,171
                                                                             $0
                                                                         $4,792
                                                                         $4,792
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                            $28
                                                                         $5,798
                                                                         $5,770
                                                                           $716
                                                                         $1,948
                                                                         $1,233
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                           $120
                                                                           $120
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                           $925
                                                                           $925
                                                                             $0
                                                                        $13,000
                                                                        $13,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                         $5,189
                                                                         $5,189
                                                                             $0
                                                                         $5,216
                                                                         $5,216
 Total Annual PWS Lead Service Replacement Costs
                                                                           $231
                                                                        $59,000
                                                                        $58,000
                                                                        $29,000
                                                                       $113,000
                                                                        $84,000
 Household Lead Service Line Replacement (Mandatory)
                                                                            $62
                                                                             $0
                                                                           $-62
                                                                         $5,851
                                                                             $0
                                                                        $-5,851
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Lead Service Replacement Costs
                                                                           $293
                                                                        $59,000
                                                                        $58,000
                                                                        $35,000
                                                                       $113,000
                                                                        $78,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.345: National Annualized Lead Service Line Replacement Costs - Private CWS of Size 101 to 500 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR