$0
                                                                       $993,000
                                                                       $993,000
 System Lead Service Line Replacement (Mandatory)
                                                                       $154,000
                                                                     $5,914,000
                                                                     $5,760,000
                                                                     $3,625,000
                                                                    $15,151,000
                                                                    $11,525,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                        $47,000
                                                                        $47,000
                                                                             $0
                                                                        $55,000
                                                                        $55,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                         $6,565
                                                                       $329,000
                                                                       $323,000
                                                                        $68,000
                                                                       $810,000
                                                                       $742,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                     $2,586,000
                                                                     $2,586,000
                                                                             $0
                                                                     $5,530,000
                                                                     $5,530,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                       $283,000
                                                                       $283,000
                                                                             $0
                                                                       $379,000
                                                                       $379,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                     $2,454,000
                                                                     $2,454,000
                                                                             $0
                                                                     $4,197,000
                                                                     $4,197,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                     $1,841,000
                                                                     $1,841,000
                                                                             $0
                                                                     $2,340,000
                                                                     $2,340,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                       $219,000
                                                                       $219,000
                                                                             $0
                                                                       $175,000
                                                                       $175,000
 Total Annual PWS Lead Service Replacement Costs
                                                                       $161,000
                                                                    $15,216,000
                                                                    $15,055,000
                                                                     $3,693,000
                                                                    $29,630,000
                                                                    $25,936,000
 Household Lead Service Line Replacement (Mandatory)
                                                                        $47,000
                                                                             $0
                                                                       $-47,000
                                                                       $739,000
                                                                             $0
                                                                      $-739,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                     $3,327,000
                                                                     $3,327,000
                                                                             $0
                                                                     $4,786,000
                                                                     $4,786,000
 Total Annual Lead Service Replacement Costs
                                                                       $208,000
                                                                    $18,542,000
                                                                    $18,335,000
                                                                     $4,432,000
                                                                    $34,416,000
                                                                    $29,984,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.313: National Annualized Lead Service Line Replacement Costs - Public CWS of Size 50,001 to 100,000 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
                                                                       $342,000
                                                                       $342,000
                                                                             $0
                                                                       $268,000
                                                                       $268,000
 System Lead Service Line Replacement (Mandatory)
                                                                        $43,000
                                                                     $1,358,000
                                                                     $1,316,000
                                                                     $1,259,000
                                                                     $3,795,000
                                                                     $2,537,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                        $17,000
                                                                        $17,000
                                                                             $0
                                                                        $14,000
                                                                        $14,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                         $1,918
                                                                        $79,000
                                                                        $77,000
                                                                        $24,000
                                                                       $184,000
                                                                       $160,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                       $547,000
                                                                       $547,000
                                                                             $0
                                                                     $1,892,000
                                                                     $1,892,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                        $62,000
                                                                        $62,000
                                                                             $0
                                                                       $115,000
                                                                       $115,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                       $655,000
                                                                       $655,000
                                                                             $0
                                                                     $1,210,000
                                                                     $1,210,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                       $489,000
                                                                       $489,000
                                                                             $0
                                                                       $808,000
                                                                       $808,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                        $58,000
                                                                        $58,000
                                                                             $0
                                                                        $43,000
                                                                        $43,000
 Total Annual PWS Lead Service Replacement Costs
                                                                        $45,000
                                                                     $3,606,000
                                                                     $3,562,000
                                                                     $1,283,000
                                                                     $8,330,000
                                                                     $7,047,000
 Household Lead Service Line Replacement (Mandatory)
                                                                        $13,000
                                                                             $0
                                                                       $-13,000
                                                                       $256,000
                                                                             $0
                                                                      $-256,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                       $704,000
                                                                       $704,000
                                                                             $0
                                                                     $1,638,000
                                                                     $1,638,000
 Total Annual Lead Service Replacement Costs
                                                                        $58,000
                                                                     $4,310,000
                                                                     $4,253,000
                                                                     $1,539,000
                                                                     $9,968,000
                                                                     $8,428,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.314: National Annualized Lead Service Line Replacement Costs - Public CWS 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
                                                                       $616,000
                                                                       $616,000
                                                                             $0
                                                                       $978,000
                                                                       $978,000
 System Lead Service Line Replacement (Mandatory)
                                                                       $134,000
                                                                     $2,360,000
                                                                     $2,226,000
                                                                     $6,647,000
                                                                    $23,562,000
                                                                    $16,915,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                        $14,000
                                                                        $14,000
                                                                             $0
                                                                        $19,000
                                                                        $19,000
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                         $7,264
                                                                       $173,000
                                                                       $165,000
                                                                       $155,000
                                                                     $1,280,000
                                                                     $1,125,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                     $1,192,000
                                                                     $1,192,000
                                                                             $0
                                                                     $8,570,000
                                                                     $8,570,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                       $164,000
                                                                       $164,000
                                                                             $0
                                                                       $579,000
                                                                       $579,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                     $1,376,000
                                                                     $1,376,000
                                                                             $0
                                                                     $8,835,000
                                                                     $8,835,000
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                     $1,098,000
                                                                     $1,098,000
                                                                             $0
                                                                     $3,952,000
                                                                     $3,952,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                       $140,000
                                                                       $140,000
                                                                             $0
                                                                       $202,000
                                                                       $202,000
 Total Annual PWS Lead Service Replacement Costs
                                                                       $141,000
                                                                     $7,134,000
                                                                     $6,992,000
                                                                     $6,802,000
                                                                    $47,976,000
                                                                    $41,174,000
 Household Lead Service Line Replacement (Mandatory)
                                                                        $41,000
                                                                             $0
                                                                       $-41,000
                                                                     $1,354,000
                                                                             $0
                                                                    $-1,354,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                     $1,534,000
                                                                     $1,534,000
                                                                             $0
                                                                     $7,417,000
                                                                     $7,417,000
 Total Annual Lead Service Replacement Costs
                                                                       $182,000
                                                                     $8,667,000
                                                                     $8,485,000
                                                                     $8,156,000
                                                                    $55,393,000
                                                                    $47,236,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.315: National Annualized Lead Service Line Replacement Costs - Public CWS of Size Greater than 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
                                                                         $7,373
                                                                         $7,373
                                                                             $0
                                                                         $7,409
                                                                         $7,409
 System Lead Service Line Replacement (Mandatory)
                                                                        $29,000
                                                                       $888,000
                                                                       $859,000
                                                                        $75,000
                                                                     $1,149,000
                                                                     $1,074,000
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                           $967
                                                                           $967
                                                                             $0
                                                                           $975
                                                                           $975
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                         $1,729
                                                                        $62,000
                                                                        $61,000
                                                                         $1,907
                                                                        $60,000
                                                                        $58,000
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                       $283,000
                                                                       $283,000
                                                                             $0
                                                                       $490,000
                                                                       $490,000
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                        $39,000
                                                                        $39,000
                                                                             $0
                                                                        $32,000
                                                                        $32,000
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                           $993
                                                                           $993
                                                                             $0
                                                                         $1,071
                                                                         $1,071
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                     $1,051,000
                                                                     $1,051,000
                                                                             $0
                                                                     $2,547,000
                                                                     $2,547,000
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                        $97,000
                                                                        $97,000
                                                                             $0
                                                                       $101,000
                                                                       $101,000
 Total Annual PWS Lead Service Replacement Costs
                                                                        $31,000
                                                                     $2,430,000
                                                                     $2,399,000
                                                                        $77,000
                                                                     $4,389,000
                                                                     $4,312,000
 Household Lead Service Line Replacement (Mandatory)
                                                                         $8,901
                                                                             $0
                                                                        $-8,901
                                                                        $15,000
                                                                             $0
                                                                       $-15,000
 Household Lead Service Line Replacement (Goal based)
                                                                             $0
                                                                       $364,000
                                                                       $364,000
                                                                             $0
                                                                       $424,000
                                                                       $424,000
 Total Annual Lead Service Replacement Costs
                                                                        $40,000
                                                                     $2,795,000
                                                                     $2,755,000
                                                                        $93,000
                                                                     $4,813,000
                                                                     $4,720,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.316: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 100 and Fewer 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
                                                                        $59,000
                                                                        $59,000
                                                                             $0
                                                                        $59,000
                                                                        $59,000
 System Lead Service Line Replacement (Mandatory)
                                                                           $498
                                                                         $1,898
                                                                         $1,400
                                                                         $1,756
                                                                         $3,941
                                                                         $2,184
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                            $11
                                                                           $280
                                                                           $270
                                                                            $46
                                                                           $390
                                                                           $344
 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
                                                                           $509
                                                                        $61,000
                                                                        $61,000
                                                                         $1,803
                                                                        $64,000
                                                                        $62,000
 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
                                                                           $509
                                                                        $61,000
                                                                        $61,000
                                                                         $1,803
                                                                        $64,000
                                                                        $62,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.317: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 101 to 500 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
                                                                        $46,000
                                                                        $46,000
                                                                             $0
                                                                        $46,000
                                                                        $46,000
 System Lead Service Line Replacement (Mandatory)
                                                                            $33
                                                                         $3,284
                                                                         $3,250
                                                                         $2,039
                                                                         $3,740
                                                                         $1,701
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $3
                                                                           $415
                                                                           $412
                                                                            $39
                                                                           $360
                                                                           $321
 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
                                                                            $37
                                                                        $50,000
                                                                        $50,000
                                                                         $2,078
                                                                        $50,000
                                                                        $48,000
 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
                                                                            $37
                                                                        $50,000
                                                                        $50,000
                                                                         $2,078
                                                                        $50,000
                                                                        $48,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.318: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 501 to 1,000 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
                                                                        $11,000
                                                                        $11,000
                                                                             $0
                                                                        $11,000
                                                                        $11,000
 System Lead Service Line Replacement (Mandatory)
                                                                             $4
                                                                         $1,380
                                                                         $1,376
                                                                           $359
                                                                         $3,445
                                                                         $3,085
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                           $107
                                                                           $107
                                                                            $13
                                                                           $169
                                                                           $156
 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
                                                                             $5
                                                                        $12,000
                                                                        $12,000
                                                                           $372
                                                                        $15,000
                                                                        $14,000
 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
                                                                             $5
                                                                        $12,000
                                                                        $12,000
                                                                           $372
                                                                        $15,000
                                                                        $14,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.319: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 1,001 to 3,300 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
                                                                         $5,455
                                                                         $5,455
                                                                             $0
                                                                         $5,378
                                                                         $5,378
 System Lead Service Line Replacement (Mandatory)
                                                                             $2
                                                                           $838
                                                                           $835
                                                                           $624
                                                                         $3,515
                                                                         $2,891
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                            $43
                                                                            $43
                                                                             $8
                                                                           $139
                                                                           $131
 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
                                                                             $3
                                                                         $6,336
                                                                         $6,333
                                                                           $632
                                                                         $9,032
                                                                         $8,400
 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
                                                                             $3
                                                                         $6,336
                                                                         $6,333
                                                                           $632
                                                                         $9,032
                                                                         $8,400
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.320: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 3,301 to 10,000 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
                                                                         $1,380
                                                                         $1,380
                                                                             $0
                                                                         $1,368
                                                                         $1,368
 System Lead Service Line Replacement (Mandatory)
                                                                             $1
                                                                            $88
                                                                            $88
                                                                            $67
                                                                           $550
                                                                           $483
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                             $5
                                                                             $5
                                                                             $1
                                                                            $17
                                                                            $16
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual PWS Lead Service Replacement Costs
                                                                             $1
                                                                         $1,473
                                                                         $1,473
                                                                            $67
                                                                         $1,934
                                                                         $1,867
 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
                                                                         $1,473
                                                                         $1,473
                                                                            $67
                                                                         $1,934
                                                                         $1,867
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.321: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 10,001 to 50,000 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
                                                                           $164
                                                                           $164
                                                                             $0
                                                                           $162
                                                                           $162
 System Lead Service Line Replacement (Mandatory)
                                                                             $1
                                                                            $10
                                                                            $10
                                                                             $9
                                                                            $74
                                                                            $65
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                             $1
                                                                             $1
                                                                             $0
                                                                             $2
                                                                             $2
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Customer-Initiated)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual PWS Lead Service Replacement Costs
                                                                             $1
                                                                           $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.322: 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.323: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 100 and Fewer 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
                                                                         $3,230
                                                                         $3,230
                                                                             $0
                                                                         $3,209
                                                                         $3,209
 System Lead Service Line Replacement (Mandatory)
                                                                            $44
                                                                           $534
                                                                           $490
                                                                           $602
                                                                           $967
                                                                           $365
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $1
                                                                            $64
                                                                            $64
                                                                             $8
                                                                            $91
                                                                            $83
 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
                                                                            $45
                                                                         $3,828
                                                                         $3,783
                                                                           $610
                                                                         $4,267
                                                                         $3,657
 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
                                                                            $45
                                                                         $3,828
                                                                         $3,783
                                                                           $610
                                                                         $4,267
                                                                         $3,657
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.324: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 101 to 500 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
                                                                         $2,719
                                                                         $2,719
                                                                             $0
                                                                         $2,711
                                                                         $2,711
 System Lead Service Line Replacement (Mandatory)
                                                                            $39
                                                                           $308
                                                                           $269
                                                                         $1,108
                                                                           $458
                                                                          $-650
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                            $34
                                                                            $34
                                                                             $6
                                                                            $38
                                                                            $31
 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
                                                                            $39
                                                                         $3,061
                                                                         $3,021
                                                                         $1,115
                                                                         $3,207
                                                                         $2,092
 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
                                                                            $39
                                                                         $3,061
                                                                         $3,021
                                                                         $1,115
                                                                         $3,207
                                                                         $2,092
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.325: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 501 to 1,000 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
                                                                           $894
                                                                           $894
                                                                             $0
                                                                           $881
                                                                           $881
 System Lead Service Line Replacement (Mandatory)
                                                                             $9
                                                                           $147
                                                                           $138
                                                                           $256
                                                                           $445
                                                                           $189
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                            $14
                                                                            $14
                                                                             $2
                                                                            $27
                                                                            $25
 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
                                                                             $9
                                                                         $1,055
                                                                         $1,046
                                                                           $259
                                                                         $1,353
                                                                         $1,095
 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
                                                                             $9
                                                                         $1,055
                                                                         $1,046
                                                                           $259
                                                                         $1,353
                                                                         $1,095
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.326: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 1,001 to 3,300 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
                                                                           $982
                                                                           $982
                                                                             $0
                                                                           $976
                                                                           $976
 System Lead Service Line Replacement (Mandatory)
                                                                            $17
                                                                           $376
                                                                           $360
                                                                           $172
                                                                         $1,316
                                                                         $1,144
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                            $20
                                                                            $19
                                                                             $1
                                                                            $38
                                                                            $36
 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
                                                                            $17
                                                                         $1,378
                                                                         $1,361
                                                                           $173
                                                                         $2,330
                                                                         $2,157
 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
                                                                            $17
                                                                         $1,378
                                                                         $1,361
                                                                           $173
                                                                         $2,330
                                                                         $2,157
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.327: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 3,301 to 10,000 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
                                                                           $792
                                                                           $792
                                                                             $0
                                                                           $786
                                                                           $786
 System Lead Service Line Replacement (Mandatory)
                                                                             $6
                                                                           $141
                                                                           $135
                                                                            $56
                                                                           $327
                                                                           $271
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                             $8
                                                                             $7
                                                                             $0
                                                                            $12
                                                                            $12
 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
                                                                             $6
                                                                           $941
                                                                           $935
                                                                            $57
                                                                         $1,125
                                                                         $1,069
 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
                                                                             $6
                                                                           $941
                                                                           $935
                                                                            $57
                                                                         $1,125
                                                                         $1,069
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.328: National Annualized Lead Service Line Replacement Costs - Public NTNCWS of Size 10,001 to 50,000 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
                                                                           $164
                                                                           $164
                                                                             $0
                                                                           $162
                                                                           $162
 System Lead Service Line Replacement (Mandatory)
                                                                             $1
                                                                            $10
                                                                            $10
                                                                             $9
                                                                            $74
                                                                            $65
 System Lead Service Line Replacement Plan
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Mandatory)
                                                                             $0
                                                                             $1
                                                                             $1
                                                                             $0
                                                                             $2
                                                                             $2
 System Lead Service Line Replacement (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Service Line Replacement Ancillary Activities (Goal Based)
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Activities Triggered by Not Meeting Goal
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 System Lead Service Line Replacement (Customer-Initiated)
                                                                             $0