$738,000
                                                                             $0
                                                                     $2,669,000
                                                                     $2,669,000
 Public Education and Outreach
                                                                        $13,000
                                                                     $2,447,000
                                                                     $2,434,000
                                                                        $44,000
                                                                     $2,443,000
                                                                     $2,399,000
 Rule Implementation and Administration
                                                                             $0
                                                                       $601,000
                                                                       $601,000
                                                                             $0
                                                                       $601,000
                                                                       $601,000
 Total Annual PWS Costs
                                                                     $7,440,000
                                                                    $11,616,000
                                                                     $4,177,000
                                                                    $11,908,000
                                                                    $13,808,000
                                                                     $1,900,000
 State Rule Implementation and Administration
                                                                       $853,000
                                                                     $3,825,000
                                                                     $2,972,000
                                                                     $1,027,000
                                                                     $3,961,000
                                                                     $2,933,000
 Household Lead Service Line Replacement
                                                                           $189
                                                                             $0
                                                                          $-189
                                                                        $26,000
                                                                             $0
                                                                       $-26,000
 Wastewater Treatment Plant Costs
                                                                            $30
                                                                            $45
                                                                            $15
                                                                           $219
                                                                           $161
                                                                           $-58
 Total Annual Rule Costs
                                                                     $8,293,000
                                                                    $15,442,000
                                                                     $7,149,000
                                                                    $12,961,000
                                                                    $17,768,000
                                                                     $4,807,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.117: National Annualized Rule Costs - Private CWS of Size 101 to 500 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                     $3,103,000
                                                                     $4,120,000
                                                                     $1,016,000
                                                                     $3,425,000
                                                                     $4,027,000
                                                                       $602,000
 PWS Lead Service Line Replacement
                                                                         $4,721
                                                                       $614,000
                                                                       $609,000
                                                                       $569,000
                                                                       $997,000
                                                                       $429,000
 Corrosion Control Technology
                                                                     $6,559,000
                                                                     $6,254,000
                                                                      $-305,000
                                                                    $10,771,000
                                                                     $7,886,000
                                                                    $-2,885,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                       $973,000
                                                                       $973,000
                                                                             $0
                                                                     $6,600,000
                                                                     $6,600,000
 Public Education and Outreach
                                                                        $14,000
                                                                     $2,153,000
                                                                     $2,139,000
                                                                        $44,000
                                                                     $2,407,000
                                                                     $2,363,000
 Rule Implementation and Administration
                                                                             $0
                                                                       $523,000
                                                                       $523,000
                                                                             $0
                                                                       $523,000
                                                                       $523,000
 Total Annual PWS Costs
                                                                     $9,681,000
                                                                    $14,636,000
                                                                     $4,955,000
                                                                    $14,808,000
                                                                    $22,440,000
                                                                     $7,632,000
 State Rule Implementation and Administration
                                                                       $753,000
                                                                     $3,444,000
                                                                     $2,691,000
                                                                       $930,000
                                                                     $3,644,000
                                                                     $2,714,000
 Household Lead Service Line Replacement
                                                                         $1,357
                                                                             $0
                                                                        $-1,357
                                                                       $115,000
                                                                             $0
                                                                      $-115,000
 Wastewater Treatment Plant Costs
                                                                           $397
                                                                         $1,046
                                                                           $649
                                                                         $2,035
                                                                         $1,388
                                                                          $-647
 Total Annual Rule Costs
                                                                    $10,436,000
                                                                    $18,081,000
                                                                     $7,645,000
                                                                    $15,855,000
                                                                    $26,086,000
                                                                    $10,231,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.118: National Annualized Rule Costs - Private CWS of Size 501 to 1,000 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                       $703,000
                                                                     $1,012,000
                                                                       $308,000
                                                                       $769,000
                                                                     $1,321,000
                                                                       $552,000
 PWS Lead Service Line Replacement
                                                                         $4,357
                                                                       $134,000
                                                                       $130,000
                                                                       $331,000
                                                                       $508,000
                                                                       $177,000
 Corrosion Control Technology
                                                                     $1,847,000
                                                                     $2,037,000
                                                                       $190,000
                                                                     $2,687,000
                                                                     $4,301,000
                                                                     $1,614,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                        $36,000
                                                                        $36,000
                                                                             $0
                                                                       $457,000
                                                                       $457,000
 Public Education and Outreach
                                                                         $3,072
                                                                       $354,000
                                                                       $351,000
                                                                         $8,234
                                                                       $647,000
                                                                       $639,000
 Rule Implementation and Administration
                                                                             $0
                                                                        $81,000
                                                                        $81,000
                                                                             $0
                                                                        $81,000
                                                                        $81,000
 Total Annual PWS Costs
                                                                     $2,558,000
                                                                     $3,654,000
                                                                     $1,096,000
                                                                     $3,795,000
                                                                     $7,314,000
                                                                     $3,519,000
 State Rule Implementation and Administration
                                                                       $196,000
                                                                       $808,000
                                                                       $611,000
                                                                       $221,000
                                                                       $878,000
                                                                       $658,000
 Household Lead Service Line Replacement
                                                                         $1,284
                                                                             $0
                                                                        $-1,284
                                                                        $67,000
                                                                             $0
                                                                       $-67,000
 Wastewater Treatment Plant Costs
                                                                           $242
                                                                           $553
                                                                           $311
                                                                           $721
                                                                         $2,032
                                                                         $1,311
 Total Annual Rule Costs
                                                                     $2,756,000
                                                                     $4,462,000
                                                                     $1,706,000
                                                                     $4,083,000
                                                                     $8,195,000
                                                                     $4,112,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.119: National Annualized Rule Costs - Private CWS of Size 1,001 to 3,300 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                       $482,000
                                                                       $714,000
                                                                       $232,000
                                                                       $570,000
                                                                     $1,044,000
                                                                       $474,000
 PWS Lead Service Line Replacement
                                                                             $0
                                                                        $61,000
                                                                        $61,000
                                                                       $304,000
                                                                       $261,000
                                                                       $-42,000
 Corrosion Control Technology
                                                                     $1,799,000
                                                                     $2,058,000
                                                                       $260,000
                                                                     $2,803,000
                                                                     $4,487,000
                                                                     $1,684,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                       $111,000
                                                                       $111,000
 Public Education and Outreach
                                                                         $1,867
                                                                       $289,000
                                                                       $287,000
                                                                         $9,501
                                                                       $428,000
                                                                       $419,000
 Rule Implementation and Administration
                                                                             $0
                                                                        $62,000
                                                                        $62,000
                                                                             $0
                                                                        $62,000
                                                                        $62,000
 Total Annual PWS Costs
                                                                     $2,282,000
                                                                     $3,185,000
                                                                       $903,000
                                                                     $3,686,000
                                                                     $6,394,000
                                                                     $2,708,000
 State Rule Implementation and Administration
                                                                       $171,000
                                                                       $690,000
                                                                       $519,000
                                                                       $193,000
                                                                       $749,000
                                                                       $556,000
 Household Lead Service Line Replacement
                                                                             $0
                                                                             $0
                                                                             $0
                                                                        $61,000
                                                                             $0
                                                                       $-61,000
 Wastewater Treatment Plant Costs
                                                                           $453
                                                                         $1,186
                                                                           $734
                                                                           $750
                                                                         $6,679
                                                                         $5,929
 Total Annual Rule Costs
                                                                     $2,454,000
                                                                     $3,876,000
                                                                     $1,422,000
                                                                     $3,942,000
                                                                     $7,150,000
                                                                     $3,208,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.120: National Annualized Rule Costs - Private CWS of Size 3,301 to 10,000 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                       $403,000
                                                                       $623,000
                                                                       $220,000
                                                                       $455,000
                                                                       $871,000
                                                                       $416,000
 PWS Lead Service Line Replacement
                                                                         $7,789
                                                                        $69,000
                                                                        $61,000
                                                                       $254,000
                                                                       $199,000
                                                                       $-54,000
 Corrosion Control Technology
                                                                     $2,150,000
                                                                     $2,383,000
                                                                       $233,000
                                                                     $2,521,000
                                                                     $3,693,000
                                                                     $1,172,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Public Education and Outreach
                                                                        $12,000
                                                                       $215,000
                                                                       $203,000
                                                                        $30,000
                                                                       $346,000
                                                                       $317,000
 Rule Implementation and Administration
                                                                             $0
                                                                        $17,000
                                                                        $17,000
                                                                             $0
                                                                        $17,000
                                                                        $17,000
 Total Annual PWS Costs
                                                                     $2,573,000
                                                                     $3,308,000
                                                                       $735,000
                                                                     $3,260,000
                                                                     $5,127,000
                                                                     $1,867,000
 State Rule Implementation and Administration
                                                                       $127,000
                                                                       $452,000
                                                                       $325,000
                                                                       $134,000
                                                                       $476,000
                                                                       $342,000
 Household Lead Service Line Replacement
                                                                         $2,293
                                                                             $0
                                                                        $-2,293
                                                                        $51,000
                                                                             $0
                                                                       $-51,000
 Wastewater Treatment Plant Costs
                                                                           $298
                                                                         $2,513
                                                                         $2,215
                                                                         $1,725
                                                                         $7,210
                                                                         $5,485
 Total Annual Rule Costs
                                                                     $2,703,000
                                                                     $3,762,000
                                                                     $1,059,000
                                                                     $3,447,000
                                                                     $5,611,000
                                                                     $2,164,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.121: National Annualized Rule Costs - Private CWS of Size 10,001 to 50,000 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                       $314,000
                                                                       $602,000
                                                                       $288,000
                                                                       $379,000
                                                                       $771,000
                                                                       $392,000
 PWS Lead Service Line Replacement
                                                                         $8,546
                                                                       $693,000
                                                                       $684,000
                                                                       $216,000
                                                                     $1,436,000
                                                                     $1,220,000
 Corrosion Control Technology
                                                                     $2,432,000
                                                                     $2,705,000
                                                                       $274,000
                                                                     $2,954,000
                                                                     $3,741,000
                                                                       $786,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Public Education and Outreach
                                                                         $5,378
                                                                       $347,000
                                                                       $341,000
                                                                        $32,000
                                                                       $290,000
                                                                       $257,000
 Rule Implementation and Administration
                                                                             $0
                                                                         $9,550
                                                                         $9,550
                                                                             $0
                                                                         $9,550
                                                                         $9,550
 Total Annual PWS Costs
                                                                     $2,760,000
                                                                     $4,357,000
                                                                     $1,597,000
                                                                     $3,581,000
                                                                     $6,247,000
                                                                     $2,666,000
 State Rule Implementation and Administration
                                                                       $111,000
                                                                       $382,000
                                                                       $272,000
                                                                       $117,000
                                                                       $393,000
                                                                       $276,000
 Household Lead Service Line Replacement
                                                                         $2,482
                                                                       $171,000
                                                                       $168,000
                                                                        $43,000
                                                                       $175,000
                                                                       $132,000
 Wastewater Treatment Plant Costs
                                                                             $0
                                                                         $2,501
                                                                         $2,501
                                                                             $0
                                                                        $12,000
                                                                        $12,000
 Total Annual Rule Costs
                                                                     $2,873,000
                                                                     $4,912,000
                                                                     $2,039,000
                                                                     $3,742,000
                                                                     $6,827,000
                                                                     $3,085,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.122: National Annualized Rule Costs - Private CWS of Size 50,001 to 100,000 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                       $254,000
                                                                       $338,000
                                                                        $84,000
                                                                       $258,000
                                                                       $348,000
                                                                        $90,000
 PWS Lead Service Line Replacement
                                                                         $4,308
                                                                       $142,000
                                                                       $138,000
                                                                        $97,000
                                                                       $463,000
                                                                       $366,000
 Corrosion Control Technology
                                                                     $1,748,000
                                                                     $1,801,000
                                                                        $53,000
                                                                     $1,843,000
                                                                     $2,017,000
                                                                       $174,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Public Education and Outreach
                                                                         $1,663
                                                                        $96,000
                                                                        $94,000
                                                                         $8,694
                                                                        $86,000
                                                                        $77,000
 Rule Implementation and Administration
                                                                             $0
                                                                         $1,085
                                                                         $1,085
                                                                             $0
                                                                         $1,085
                                                                         $1,085
 Total Annual PWS Costs
                                                                     $2,008,000
                                                                     $2,378,000
                                                                       $370,000
                                                                     $2,207,000
                                                                     $2,914,000
                                                                       $708,000
 State Rule Implementation and Administration
                                                                       $111,000
                                                                       $318,000
                                                                       $207,000
                                                                       $111,000
                                                                       $318,000
                                                                       $207,000
 Household Lead Service Line Replacement
                                                                         $1,249
                                                                        $45,000
                                                                        $43,000
                                                                        $19,000
                                                                        $83,000
                                                                        $64,000
 Wastewater Treatment Plant Costs
                                                                         $2,100
                                                                         $3,355
                                                                         $1,255
                                                                         $8,020
                                                                        $14,000
                                                                         $6,288
 Total Annual Rule Costs
                                                                     $2,122,000
                                                                     $2,744,000
                                                                       $622,000
                                                                     $2,345,000
                                                                     $3,330,000
                                                                       $984,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.123: National Annualized Rule Costs - Private CWS of Size 100,001 to 1,000,000 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                       $280,000
                                                                       $411,000
                                                                       $131,000
                                                                       $287,000
                                                                       $446,000
                                                                       $159,000
 PWS Lead Service Line Replacement
                                                                             $0
                                                                       $209,000
                                                                       $209,000
                                                                       $323,000
                                                                     $1,672,000
                                                                     $1,349,000
 Corrosion Control Technology
                                                                     $2,617,000
                                                                     $2,715,000
                                                                        $98,000
                                                                     $2,733,000
                                                                     $3,156,000
                                                                       $423,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Public Education and Outreach
                                                                         $2,182
                                                                       $138,000
                                                                       $136,000
                                                                        $16,000
                                                                       $252,000
                                                                       $236,000
 Rule Implementation and Administration
                                                                             $0
                                                                           $891
                                                                           $891
                                                                             $0
                                                                           $891
                                                                           $891
 Total Annual PWS Costs
                                                                     $2,899,000
                                                                     $3,474,000
                                                                       $575,000
                                                                     $3,358,000
                                                                     $5,527,000
                                                                     $2,169,000
 State Rule Implementation and Administration
                                                                       $108,000
                                                                       $313,000
                                                                       $205,000
                                                                       $108,000
                                                                       $314,000
                                                                       $206,000
 Household Lead Service Line Replacement
                                                                             $0
                                                                        $44,000
                                                                        $44,000
                                                                        $64,000
                                                                       $259,000
                                                                       $194,000
 Wastewater Treatment Plant Costs
                                                                             $0
                                                                         $8,049
                                                                         $8,049
                                                                        $14,000
                                                                        $31,000
                                                                        $17,000
 Total Annual Rule Costs
                                                                     $3,007,000
                                                                     $3,839,000
                                                                       $832,000
                                                                     $3,545,000
                                                                     $6,131,000
                                                                     $2,586,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.124: National Annualized Rule Costs - Private CWS of Size 100 and Fewer Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                       $124,000
                                                                       $183,000
                                                                        $59,000
                                                                       $137,000
                                                                       $152,000
                                                                        $16,000
 PWS Lead Service Line Replacement
                                                                           $231
                                                                        $59,000
                                                                        $58,000
                                                                        $29,000
                                                                       $113,000
                                                                        $84,000
 Corrosion Control Technology
                                                                       $612,000
                                                                       $640,000
                                                                        $28,000
                                                                       $746,000
                                                                       $678,000
                                                                       $-69,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                        $27,000
                                                                        $27,000
                                                                             $0
                                                                       $269,000
                                                                       $269,000
 Public Education and Outreach
                                                                           $350
                                                                       $135,000
                                                                       $135,000
                                                                         $2,040
                                                                       $145,000
                                                                       $143,000
 Rule Implementation and Administration
                                                                             $0
                                                                        $28,000
                                                                        $28,000
                                                                             $0
                                                                        $28,000
                                                                        $28,000
 Total Annual PWS Costs
                                                                       $736,000
                                                                     $1,072,000
                                                                       $335,000
                                                                       $915,000
                                                                     $1,386,000
                                                                       $471,000
 State Rule Implementation and Administration
                                                                       $129,000
                                                                       $513,000
                                                                       $384,000
                                                                       $140,000
                                                                       $531,000
                                                                       $391,000
 Household Lead Service Line Replacement
                                                                            $62
                                                                             $0
                                                                           $-62
                                                                         $5,851
                                                                             $0
                                                                        $-5,851
 Wastewater Treatment Plant Costs
                                                                             $4
                                                                            $34
                                                                            $30
                                                                            $24
                                                                            $56
                                                                            $32
 Total Annual Rule Costs
                                                                       $865,000
                                                                     $1,585,000
                                                                       $719,000
                                                                     $1,060,000
                                                                     $1,916,000
                                                                       $856,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.125: National Annualized Rule Costs - Private CWS of Size 101 to 500 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                       $280,000
                                                                       $483,000
                                                                       $202,000
                                                                       $312,000
                                                                       $411,000
                                                                        $99,000
 PWS Lead Service Line Replacement
                                                                         $1,491
                                                                       $183,000
                                                                       $182,000
                                                                       $233,000
                                                                       $286,000
                                                                        $53,000
 Corrosion Control Technology
                                                                     $1,286,000
                                                                     $1,406,000
                                                                       $120,000
                                                                     $1,499,000
                                                                     $1,773,000
                                                                       $274,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                        $32,000
                                                                        $32,000
                                                                             $0
                                                                     $1,229,000
                                                                     $1,229,000
 Public Education and Outreach
                                                                           $858
                                                                       $243,000
                                                                       $242,000
                                                                         $3,784
                                                                       $330,000
                                                                       $326,000
 Rule Implementation and Administration
                                                                             $0
                                                                        $47,000
                                                                        $47,000
                                                                             $0
                                                                        $47,000
                                                                        $47,000
 Total Annual PWS Costs
                                                                     $1,569,000
                                                                     $2,394,000
                                                                       $825,000
                                                                     $2,047,000
                                                                     $4,077,000
                                                                     $2,029,000
 State Rule Implementation and Administration
                                                                       $157,000
                                                                       $687,000
                                                                       $530,000
                                                                       $177,000
                                                                       $714,000
                                                                       $537,000
 Household Lead Service Line Replacement
                                                                           $429
                                                                             $0
                                                                          $-429
                                                                        $47,000
                                                                             $0
                                                                       $-47,000
 Wastewater Treatment Plant Costs
                                                                            $19
                                                                           $197
                                                                           $178
                                                                           $248
                                                                           $584
                                                                           $336
 Total Annual Rule Costs
                                                                     $1,726,000
                                                                     $3,081,000
                                                                     $1,355,000
                                                                     $2,271,000
                                                                     $4,791,000
                                                                     $2,520,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.126: National Annualized Rule Costs - Private CWS of Size 501 to 1,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                       $131,000
                                                                       $229,000
                                                                        $97,000
                                                                       $146,000
                                                                       $301,000
                                                                       $155,000
 PWS Lead Service Line Replacement
                                                                         $1,385
                                                                        $73,000
                                                                        $71,000
                                                                       $180,000
                                                                       $166,000
                                                                       $-13,000
 Corrosion Control Technology
                                                                       $440,000
                                                                       $503,000
                                                                        $63,000
                                                                       $518,000
                                                                     $1,250,000
                                                                       $732,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                        $42,000
                                                                        $42,000
 Public Education and Outreach
                                                                           $402
                                                                        $75,000
                                                                        $75,000
                                                                         $1,500
                                                                       $172,000
                                                                       $171,000
 Rule Implementation and Administration
                                                                             $0
                                                                        $14,000
                                                                        $14,000
                                                                             $0
                                                                        $14,000
                                                                        $14,000
 Total Annual PWS Costs
                                                                       $573,000
                                                                       $893,000
                                                                       $320,000
                                                                       $845,000
                                                                     $1,945,000
                                                                     $1,100,000
 State Rule Implementation and Administration
                                                                       $115,000
                                                                       $407,000
                                                                       $292,000
                                                                       $121,000
                                                                       $424,000
                                                                       $304,000
 Household Lead Service Line Replacement
                                                                           $407
                                                                             $0
                                                                          $-407
                                                                        $36,000
                                                                             $0
                                                                       $-36,000
 Wastewater Treatment Plant Costs
                                                                             $7
                                                                           $353
                                                                           $346
                                                                             $0
                                                                           $532
                                                                           $532
 Total Annual Rule Costs
                                                                       $688,000
                                                                     $1,300,000
                                                                       $612,000
                                                                     $1,002,000
                                                                     $2,370,000
                                                                     $1,368,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.127: National Annualized Rule Costs - Private CWS of Size 1,001 to 3,300 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                       $147,000
                                                                       $248,000
                                                                       $101,000
                                                                       $172,000
                                                                       $394,000
                                                                       $222,000
 PWS Lead Service Line Replacement
                                                                         $1,927
                                                                        $58,000
                                                                        $56,000
                                                                       $285,000
                                                                       $199,000
                                                                       $-86,000
 Corrosion Control Technology
                                                                       $926,000
                                                                     $1,058,000
                                                                       $132,000
                                                                     $1,061,000
                                                                     $2,356,000
                                                                     $1,295,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Public Education and Outreach
                                                                         $1,152
                                                                       $120,000
                                                                       $119,000
                                                                         $3,958
                                                                       $217,000
                                                                       $213,000
 Rule Implementation and Administration
                                                                             $0
                                                                        $18,000
                                                                        $18,000
                                                                             $0
                                                                        $18,000
                                                                        $18,000
 Total Annual PWS Costs
                                                                     $1,076,000
                                                                     $1,502,000
                                                                       $425,000
                                                                     $1,522,000
                                                                     $3,184,000
                                                                     $1,662,000
 State Rule Implementation and Administration
                                                                       $122,000
                                                                       $446,000
                                                                       $324,000
                                                                       $130,000
                                                                       $478,000
                                                                       $348,000
 Household Lead Service Line Replacement
                                                                           $568
                                                                             $0
                                                                          $-568
                                                                        $58,000
                                                                             $0
                                                                       $-58,000
 Wastewater Treatment Plant Costs
                                                                           $517
                                                                         $1,090
                                                                           $573
                                                                           $886
                                                                         $8,193
                                                                         $7,307
 Total Annual Rule Costs
                                                                     $1,199,000
                                                                     $1,948,000
                                                                       $749,000
                                                                     $1,711,000
                                                                     $3,670,000
                                                                     $1,960,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.128: National Annualized Rule Costs - Private CWS of Size 3,301 to 10,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                       $207,000
                                                                       $339,000
                                                                       $131,000
                                                                       $239,000
                                                                       $531,000
                                                                       $292,000
 PWS Lead Service Line Replacement
                                                                         $1,584
                                                                        $69,000
                                                                        $67,000
                                                                       $352,000
                                                                       $212,000
                                                                      $-140,000
 Corrosion Control Technology
                                                                     $1,345,000
                                                                     $1,499,000
                                                                       $154,000
                                                                     $1,489,000
                                                                     $2,555,000
                                                                     $1,066,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Public Education and Outreach
                                                                         $4,040
                                                                       $145,000
                                                                       $141,000
                                                                        $18,000
                                                                       $287,000
                                                                       $269,000
 Rule Implementation and Administration
                                                                             $0
                                                                         $8,494
                                                                         $8,494
                                                                             $0
                                                                         $8,494
                                                                         $8,494
 Total Annual PWS Costs
                                                                     $1,558,000
                                                                     $2,060,000
                                                                       $503,000
                                                                     $2,098,000
                                                                     $3,594,000
                                                                     $1,496,000
 State Rule Implementation and Administration
                                                                       $113,000
                                                                       $393,000
                                                                       $280,000
                                                                       $119,000
                                                                       $417,000
                                                                       $298,000
 Household Lead Service Line Replacement
                                                                           $466
                                                                             $0
                                                                          $-466
                                                                        $71,000
                                                                             $0
                                                                       $-71,000
 Wastewater Treatment Plant Costs
                                                                             $0
                                                                         $3,271
                                                                         $3,271
                                                                         $1,097
                                                                         $4,703
                                                                         $3,606
 Total Annual Rule Costs
                                                                     $1,671,000
                                                                     $2,456,000
                                                                       $785,000
                                                                     $2,289,000
                                                                     $4,015,000
                                                                     $1,726,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.129: National Annualized Rule Costs - Private CWS of Size 10,001 to 50,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                       $308,000
                                                                       $666,000
                                                                       $359,000
                                                                       $362,000
                                                                       $867,000
                                                                       $505,000
 PWS Lead Service Line Replacement
                                                                        $15,000
                                                                     $1,690,000
                                                                     $1,675,000
                                                                       $719,000
                                                                     $4,114,000
                                                                     $3,395,000
 Corrosion Control Technology
                                                                     $3,489,000
                                                                     $3,810,000
                                                                       $322,000
                                                                     $3,794,000
                                                                     $5,223,000
                                                                     $1,428,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Public Education and Outreach
                                                                         $2,973
                                                                       $738,000
                                                                       $735,000
                                                                        $31,000
                                                                       $545,000
                                                                       $514,000
 Rule Implementation and Administration
                                                                             $0
                                                                         $9,605
                                                                         $9,605
                                                                             $0
                                                                         $9,605
                                                                         $9,605
 Total Annual PWS Costs
                                                                     $3,815,000
                                                                     $6,914,000
                                                                     $3,099,000
                                                                     $4,906,000
                                                                    $10,758,000
                                                                     $5,852,000
 State Rule Implementation and Administration
                                                                       $115,000
                                                                       $420,000
                                                                       $306,000
                                                                       $121,000
                                                                       $436,000
                                                                       $315,000
 Household Lead Service Line Replacement
                                                                         $4,416
                                                                       $432,000
                                                                       $428,000
                                                                       $144,000
                                                                       $698,000
                                                                       $554,000
 Wastewater Treatment Plant Costs
                                                                             $0
                                                                        $28,000
                                                                        $28,000
                                                                        $10,000
                                                                        $46,000
                                                                        $36,000
 Total Annual Rule Costs
                                                                     $3,934,000
                                                                     $7,795,000
                                                                     $3,861,000
                                                                     $5,181,000
                                                                    $11,939,000
                                                                     $6,757,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.130: National Annualized Rule Costs - Private CWS of Size 50,001 to 100,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                       $188,000
                                                                       $334,000
                                                                       $146,000
                                                                       $197,000
                                                                       $354,000
                                                                       $157,000
 PWS Lead Service Line Replacement
                                                                        $17,000
                                                                       $434,000
                                                                       $417,000
                                                                       $126,000
                                                                     $1,020,000
                                                                       $894,000
 Corrosion Control Technology
                                                                     $2,605,000
                                                                     $2,748,000
                                                                       $143,000
                                                                     $2,684,000
                                                                     $3,103,000
                                                                       $419,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Public Education and Outreach
                                                                         $3,124
                                                                       $204,000
                                                                       $201,000
                                                                        $16,000
                                                                       $180,000
                                                                       $164,000
 Rule Implementation and Administration
                                                                             $0
                                                                         $2,290
                                                                         $2,290
                                                                             $0
                                                                         $2,290
                                                                         $2,290
 Total Annual PWS Costs
                                                                     $2,813,000
                                                                     $3,722,000
                                                                       $909,000
                                                                     $3,022,000
                                                                     $4,658,000
                                                                     $1,636,000
 State Rule Implementation and Administration
                                                                       $132,000
                                                                       $356,000
                                                                       $223,000
                                                                       $133,000
                                                                       $356,000
                                                                       $223,000
 Household Lead Service Line Replacement
                                                                         $4,978
                                                                       $104,000
                                                                        $99,000
                                                                        $25,000
                                                                       $174,000
                                                                       $148,000
 Wastewater Treatment Plant Costs
                                                                           $796
                                                                        $12,000
                                                                        $11,000
                                                                         $4,027
                                                                         $9,002
                                                                         $4,974
 Total Annual Rule Costs
                                                                     $2,951,000
                                                                     $4,194,000
                                                                     $1,243,000
                                                                     $3,184,000
                                                                     $5,196,000
                                                                     $2,012,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.131: National Annualized Rule Costs - Private CWS of Size 100,001 to 1,000,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                       $392,000
                                                                       $938,000
                                                                       $546,000
                                                                       $410,000
                                                                     $1,058,000
                                                                       $648,000
 PWS Lead Service Line Replacement
                                                                        $20,000
                                                                     $1,453,000
                                                                     $1,433,000
                                                                     $1,604,000
                                                                     $9,959,000
                                                                     $8,355,000
 Corrosion Control Technology
                                                                    $10,353,000
                                                                    $10,811,000
                                                                       $458,000
                                                                    $10,694,000
                                                                    $12,363,000
                                                                     $1,669,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Public Education and Outreach
                                                                        $10,000
                                                                       $794,000
                                                                       $784,000
                                                                        $59,000
                                                                     $1,374,000
                                                                     $1,315,000
 Rule Implementation and Administration
                                                                             $0
                                                                         $3,153
                                                                         $3,153
                                                                             $0
                                                                         $3,153
                                                                         $3,153
 Total Annual PWS Costs
                                                                    $10,775,000
                                                                    $13,999,000
                                                                     $3,224,000
                                                                    $12,767,000
                                                                    $24,757,000
                                                                    $11,990,000
 State Rule Implementation and Administration
                                                                       $140,000
                                                                       $375,000
                                                                       $235,000
                                                                       $141,000
                                                                       $379,000
                                                                       $239,000
 Household Lead Service Line Replacement
                                                                         $5,760
                                                                       $480,000
                                                                       $474,000
                                                                       $319,000
                                                                     $1,544,000
                                                                     $1,225,000
 Wastewater Treatment Plant Costs
                                                                             $0
                                                                        $44,000
                                                                        $44,000
                                                                        $40,000
                                                                       $106,000
                                                                        $66,000
 Total Annual Rule Costs
                                                                    $10,921,000
                                                                    $14,898,000
                                                                     $3,977,000
                                                                    $13,268,000
                                                                    $26,787,000
                                                                    $13,519,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.132: National Annualized Rule Costs - Private CWS of Size Greater than 1,000,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                         $5,797
                                                                        $92,000
                                                                        $87,000
                                                                         $5,797
                                                                        $93,000
                                                                        $87,000
 PWS Lead Service Line Replacement
                                                                             $0
                                                                        $32,000
                                                                        $32,000
                                                                             $0
                                                                        $59,000
                                                                        $59,000
 Corrosion Control Technology
                                                                       $145,000
                                                                       $148,000
                                                                         $2,748
                                                                       $145,000
                                                                       $148,000
                                                                         $2,351
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Public Education and Outreach
                                                                             $0
                                                                        $42,000
                                                                        $42,000
                                                                             $0
                                                                        $43,000
                                                                        $43,000
 Rule Implementation and Administration
                                                                             $0
                                                                            $69
                                                                            $69
                                                                             $0
                                                                            $69
                                                                            $69
 Total Annual PWS Costs
                                                                       $151,000
                                                                       $315,000
                                                                       $164,000
                                                                       $151,000
                                                                       $343,000
                                                                       $191,000
 State Rule Implementation and Administration
                                                                        $97,000
                                                                       $292,000
                                                                       $195,000
                                                                        $97,000
                                                                       $292,000
                                                                       $195,000
 Household Lead Service Line Replacement
                                                                             $0
                                                                         $3,703
                                                                         $3,703
                                                                             $0
                                                                         $3,371
                                                                         $3,371
 Wastewater Treatment Plant Costs
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Rule Costs
                                                                       $248,000
                                                                       $610,000
                                                                       $362,000
                                                                       $248,000
                                                                       $638,000
                                                                       $390,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.133: National Annualized Rule Costs - Public CWS of Size 100 and Fewer Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                       $444,000
                                                                       $575,000
                                                                       $131,000
                                                                       $483,000
                                                                       $555,000
                                                                        $73,000
 PWS Lead Service Line Replacement
                                                                           $186
                                                                        $91,000
                                                                        $91,000
                                                                        $34,000
                                                                       $233,000
                                                                       $199,000
 Corrosion Control Technology
                                                                       $772,000
                                                                       $744,000
                                                                       $-28,000
                                                                     $1,247,000
                                                                       $780,000
                                                                      $-467,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                        $69,000
                                                                        $69,000
                                                                             $0
                                                                       $373,000
                                                                       $373,000
 Public Education and Outreach
                                                                         $1,358
                                                                       $372,000
                                                                       $370,000
                                                                         $5,818
                                                                       $375,000
                                                                       $369,000
 Rule Implementation and Administration
                                                                             $0
                                                                        $89,000
                                                                        $89,000
                                                                             $0
                                                                        $89,000
                                                                        $89,000
 Total Annual PWS Costs
                                                                     $1,217,000
                                                                     $1,939,000
                                                                       $722,000
                                                                     $1,770,000
                                                                     $2,405,000
                                                                       $636,000
 State Rule Implementation and Administration
                                                                       $206,000
                                                                       $833,000
                                                                       $627,000
                                                                       $232,000
                                                                       $862,000
                                                                       $630,000
 Household Lead Service Line Replacement
                                                                            $45
                                                                             $0
                                                                           $-45
                                                                         $6,857
                                                                             $0
                                                                        $-6,857
 Wastewater Treatment Plant Costs
                                                                             $0
                                                                            $59
                                                                            $59
                                                                             $4
                                                                           $133
                                                                           $129
 Total Annual Rule Costs
                                                                     $1,423,000
                                                                     $2,772,000
                                                                     $1,350,000
                                                                     $2,009,000
                                                                     $3,267,000
                                                                     $1,259,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.134: National Annualized Rule Costs - Public CWS of Size 101 to 500 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                     $1,772,000
                                                                     $2,504,000
                                                                       $732,000
                                                                     $1,981,000
                                                                     $2,601,000
                                                                       $620,000
 PWS Lead Service Line Replacement
                                                                         $2,981
                                                                       $564,000
                                                                       $561,000
                                                                       $574,000
                                                                       $940,000
                                                                       $366,000
 Corrosion Control Technology
                                                                     $4,817,000
                                                                     $5,148,000
                                                                       $331,000
                                                                     $7,355,000
                                                                     $8,319,000
                                                                       $964,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                       $327,000
                                                                       $327,000
                                                                             $0
                                                                     $3,231,000
                                                                     $3,231,000
 Public Education and Outreach
                                                                         $7,190
                                                                     $1,302,000
                                                                     $1,295,000
                                                                        $26,000
                                                                     $1,561,000
                                                                     $1,535,000
 Rule Implementation and Administration
                                                                             $0
                                                                       $302,000
                                                                       $302,000
                                                                             $0
                                                                       $302,000
                                                                       $302,000
 Total Annual PWS Costs
                                                                     $6,599,000
                                                                    $10,146,000
                                                                     $3,547,000
                                                                     $9,937,000
                                                                    $16,954,000
                                                                     $7,018,000
 State Rule Implementation and Administration
                                                                       $472,000
                                                                     $2,214,000
                                                                     $1,742,000
                                                                       $582,000
                                                                     $2,358,000
                                                                     $1,776,000
 Household Lead Service Line Replacement
                                                                           $855
                                                                             $0
                                                                          $-855
                                                                       $116,000
                                                                             $0
                                                                      $-116,000
 Wastewater Treatment Plant Costs
                                                                           $693
                                                                         $1,971
                                                                         $1,279
                                                                         $1,562
                                                                         $4,625
                                                                         $3,063
 Total Annual Rule Costs
                                                                     $7,072,000
                                                                    $12,362,000
                                                                     $5,290,000
                                                                    $10,636,000
                                                                    $19,317,000
                                                                     $8,681,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.135: National Annualized Rule Costs - Public CWS of Size 501 to 1,000 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Sampling
                                                                     $1,649,000
                                                                     $2,493,000
                                                                       $845,000
                                                                     $1,846,000
                                                                     $3,328,000
                                                                     $1,482,000
 PWS Lead Service Line Replacement
                                                                         $5,323
                                                                       $527,000
                                                                       $522,000
                                                                     $1,246,000
                                                                     $1,494,000
                                                                       $248,000
 Corrosion Control Technology
                                                                     $5,210,000
                                                                     $5,695,000
                                                                       $485,000
                                                                     $6,728,000
                                                                    $12,451,000
                                                                     $5,724,000
 Point-of Use Installation and Maintenance
                                                                             $0
                                                                        $80,000
                                                                        $80,000
                                                                             $0
                                                                       $660,000
                                                                       $660,000
 Public Education and Outreach
                                                                         $6,006
                                                                       $851,000
                                                                       $845,000
                                                                        $19,000
                                                                     $1,669,000
                                                                     $1,650,000
 Rule Implementation and Administration
                                                                             $0
                                                                       $184,000
                                                                       $184,000
                                                                             $0
                                                                       $184,000
                                                                       $184,000
 Total Annual PWS Costs
                                                                     $6,870,000
                                                                     $9,829,000
                                                                     $2,959,000
                                                                     $9,840,000
                                                                    $19,786,000
                                                                     $9,947,000
 State Rule Implementation and Administration
                                                                       $320,000
                                                                     $1,534,000
                                                                     $1,214,000
                                                                       $387,000
                                                                     $1,709,000
                                                                     $1,322,000
 Household Lead Service Line Replacement
                                                                         $1,557
                                                                             $0
                                                                        $-1,557
                                                                       $252,000
                                                                             $0
                                                                      $-252,000
 Wastewater Treatment Plant Costs
                                                                           $427
                                                                         $3,183
                                                                         $2,756
                                                                         $3,822
                                                                        $13,000
                                                                         $9,395
 Total Annual Rule Costs
                                                                     $7,193,000
                                                                    $11,367,000
                                                                     $4,174,000
                                                                    $10,482,000
                                                                    $21,508,000
                                                                    $11,027,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.136: National Annualized Rule Costs - Public CWS of Size 1,001 to 3,300 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate
 PWS Annual Costs
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental