$0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Sampling Costs
                                                                        $38,000
                                                                        $71,000
                                                                        $33,000
                                                                        $41,000
                                                                        $71,000
                                                                        $30,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.215: National Annualized Sampling Costs - Public NTNCWS of Size 501 to 1,000 Treating Surface Water at 3% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                           $272
                                                                           $325
                                                                            $52
                                                                           $264
                                                                           $325
                                                                            $61
 Lead Water Quality Parameters Monitoring
                                                                           $357
                                                                           $167
                                                                          $-190
                                                                         $1,240
                                                                           $761
                                                                          $-479
 Lead Tap Sampling Monitoring
                                                                        $13,000
                                                                        $29,000
                                                                        $16,000
                                                                        $14,000
                                                                        $30,000
                                                                        $16,000
 Source Water Monitoring
                                                                            $52
                                                                             $8
                                                                           $-44
                                                                            $95
                                                                            $19
                                                                           $-76
 School Sampling
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Sampling Costs
                                                                        $14,000
                                                                        $29,000
                                                                        $16,000
                                                                        $15,000
                                                                        $31,000
                                                                        $16,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.216: National Annualized Sampling Costs - Public NTNCWS of Size 1,001 to 3,300 Treating Surface Water at 3% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                            $75
                                                                           $139
                                                                            $64
                                                                            $75
                                                                           $139
                                                                            $64
 Lead Water Quality Parameters Monitoring
                                                                           $700
                                                                           $446
                                                                          $-255
                                                                         $1,808
                                                                         $1,139
                                                                          $-669
 Lead Tap Sampling Monitoring
                                                                        $18,000
                                                                        $40,000
                                                                        $22,000
                                                                        $19,000
                                                                        $41,000
                                                                        $22,000
 Source Water Monitoring
                                                                            $45
                                                                            $10
                                                                           $-35
                                                                           $102
                                                                            $22
                                                                           $-80
 School Sampling
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Sampling Costs
                                                                        $19,000
                                                                        $41,000
                                                                        $22,000
                                                                        $21,000
                                                                        $42,000
                                                                        $21,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.217: National Annualized Sampling Costs - Public NTNCWS of Size 3,301 to 10,000 Treating Surface Water at 3% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Water Quality Parameters Monitoring
                                                                           $390
                                                                           $343
                                                                           $-47
                                                                         $1,148
                                                                         $1,023
                                                                          $-125
 Lead Tap Sampling Monitoring
                                                                        $15,000
                                                                        $37,000
                                                                        $23,000
                                                                        $15,000
                                                                        $40,000
                                                                        $24,000
 Source Water Monitoring
                                                                            $17
                                                                             $5
                                                                           $-13
                                                                            $49
                                                                            $11
                                                                           $-38
 School Sampling
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Sampling Costs
                                                                        $15,000
                                                                        $38,000
                                                                        $23,000
                                                                        $16,000
                                                                        $41,000
                                                                        $24,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.218: National Annualized Sampling Costs - Public NTNCWS of Size 10,001 to 50,000 Treating Surface Water at 3% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Water Quality Parameters Monitoring
                                                                           $121
                                                                           $133
                                                                            $12
                                                                           $345
                                                                           $396
                                                                            $51
 Lead Tap Sampling Monitoring
                                                                         $7,434
                                                                        $19,000
                                                                        $11,000
                                                                         $7,591
                                                                        $20,000
                                                                        $12,000
 Source Water Monitoring
                                                                             $3
                                                                             $1
                                                                            $-2
                                                                             $9
                                                                             $2
                                                                            $-7
 School Sampling
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Sampling Costs
                                                                         $7,559
                                                                        $19,000
                                                                        $11,000
                                                                         $7,945
                                                                        $20,000
                                                                        $12,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.219: National Annualized Sampling Costs - Public NTNCWS of Size 50,001 to 100,000 Treating Surface Water at 3% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Water Quality Parameters Monitoring
                                                                         $2,265
                                                                         $2,706
                                                                           $441
                                                                         $2,265
                                                                         $2,706
                                                                           $441
 Lead Tap Sampling Monitoring
                                                                           $259
                                                                           $726
                                                                           $466
                                                                           $279
                                                                           $767
                                                                           $488
 Source Water Monitoring
                                                                             $0
                                                                             $0
                                                                            $-0
                                                                             $1
                                                                             $0
                                                                            $-1
 School Sampling
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Sampling Costs
                                                                         $2,524
                                                                         $3,431
                                                                           $907
                                                                         $2,544
                                                                         $3,473
                                                                           $928
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.220: National Annualized Sampling Costs - Public NTNCWS of Size 100,001 to 1,000,000 Treating Surface Water at 3% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Water Quality Parameters Monitoring
                                                                         $1,523
                                                                         $1,999
                                                                           $475
                                                                         $1,523
                                                                         $1,999
                                                                           $475
 Lead Tap Sampling Monitoring
                                                                           $417
                                                                         $1,320
                                                                           $903
                                                                           $450
                                                                         $1,443
                                                                           $993
 Source Water Monitoring
                                                                             $0
                                                                             $0
                                                                            $-0
                                                                             $1
                                                                             $0
                                                                            $-1
 School Sampling
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Sampling Costs
                                                                         $1,941
                                                                         $3,319
                                                                         $1,378
                                                                         $1,974
                                                                         $3,442
                                                                         $1,468
 Notes: Detail may not add exactly to total due to independent rounding.

7 Percent Discount Rate
 Exhibit C.221: National Annualized Sampling Costs - All PWS at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                       $133,000
                                                                       $145,000
                                                                        $12,000
                                                                       $128,000
                                                                       $143,000
                                                                        $15,000
 Lead Water Quality Parameters Monitoring
                                                                     $6,986,000
                                                                     $7,980,000
                                                                       $995,000
                                                                     $8,397,000
                                                                    $10,683,000
                                                                     $2,286,000
 Lead Tap Sampling Monitoring
                                                                    $33,746,000
                                                                    $47,597,000
                                                                    $13,851,000
                                                                    $36,573,000
                                                                    $58,566,000
                                                                    $21,993,000
 Source Water Monitoring
                                                                        $25,000
                                                                        $13,000
                                                                       $-12,000
                                                                        $66,000
                                                                        $45,000
                                                                       $-20,000
 School Sampling
                                                                             $0
                                                                    $14,461,000
                                                                    $14,461,000
                                                                             $0
                                                                    $14,969,000
                                                                    $14,969,000
 Total Annual Sampling Costs
                                                                    $40,890,000
                                                                    $70,197,000
                                                                    $29,307,000
                                                                    $45,164,000
                                                                    $84,407,000
                                                                    $39,243,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.222: National Annualized Sampling Costs - CWS at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                        $81,000
                                                                        $91,000
                                                                        $10,000
                                                                        $77,000
                                                                        $89,000
                                                                        $12,000
 Lead Water Quality Parameters Monitoring
                                                                     $6,874,000
                                                                     $7,949,000
                                                                     $1,075,000
                                                                     $8,097,000
                                                                    $10,600,000
                                                                     $2,503,000
 Lead Tap Sampling Monitoring
                                                                    $31,657,000
                                                                    $43,621,000
                                                                    $11,964,000
                                                                    $34,387,000
                                                                    $54,536,000
                                                                    $20,150,000
 Source Water Monitoring
                                                                        $19,000
                                                                        $10,000
                                                                        $-8,553
                                                                        $54,000
                                                                        $40,000
                                                                       $-15,000
 School Sampling
                                                                             $0
                                                                    $14,461,000
                                                                    $14,461,000
                                                                             $0
                                                                    $14,969,000
                                                                    $14,969,000
 Total Annual Sampling Costs
                                                                    $38,631,000
                                                                    $66,132,000
                                                                    $27,502,000
                                                                    $42,614,000
                                                                    $80,234,000
                                                                    $37,620,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.223: National Annualized Sampling Costs - NTNCWS at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                        $53,000
                                                                        $55,000
                                                                         $1,879
                                                                        $51,000
                                                                        $55,000
                                                                         $3,143
 Lead Water Quality Parameters Monitoring
                                                                       $111,000
                                                                        $31,000
                                                                       $-80,000
                                                                       $300,000
                                                                        $83,000
                                                                      $-218,000
 Lead Tap Sampling Monitoring
                                                                     $2,089,000
                                                                     $3,976,000
                                                                     $1,887,000
                                                                     $2,186,000
                                                                     $4,030,000
                                                                     $1,844,000
 Source Water Monitoring
                                                                         $5,833
                                                                         $2,585
                                                                        $-3,248
                                                                        $11,000
                                                                         $5,520
                                                                        $-5,707
 School Sampling
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Total Annual Sampling Costs
                                                                     $2,259,000
                                                                     $4,065,000
                                                                     $1,806,000
                                                                     $2,549,000
                                                                     $4,173,000
                                                                     $1,623,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.224: National Annualized Sampling Costs - Private PWS at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                        $32,000
                                                                        $35,000
                                                                         $3,726
                                                                        $30,000
                                                                        $35,000
                                                                         $4,996
 Lead Water Quality Parameters Monitoring
                                                                       $928,000
                                                                     $1,103,000
                                                                       $174,000
                                                                     $1,362,000
                                                                     $1,460,000
                                                                        $98,000
 Lead Tap Sampling Monitoring
                                                                     $9,377,000
                                                                    $11,976,000
                                                                     $2,600,000
                                                                     $9,985,000
                                                                    $12,980,000
                                                                     $2,995,000
 Source Water Monitoring
                                                                         $7,042
                                                                         $4,193
                                                                        $-2,849
                                                                        $19,000
                                                                        $14,000
                                                                        $-5,615
 School Sampling
                                                                             $0
                                                                     $1,990,000
                                                                     $1,990,000
                                                                             $0
                                                                     $2,047,000
                                                                     $2,047,000
 Total Annual Sampling Costs
                                                                    $10,344,000
                                                                    $15,109,000
                                                                     $4,765,000
                                                                    $11,396,000
                                                                    $16,534,000
                                                                     $5,139,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.225: National Annualized Sampling Costs - Public PWS at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                       $102,000
                                                                       $110,000
                                                                         $8,176
                                                                        $98,000
                                                                       $108,000
                                                                        $10,000
 Lead Water Quality Parameters Monitoring
                                                                     $6,057,000
                                                                     $6,877,000
                                                                       $820,000
                                                                     $7,036,000
                                                                     $9,223,000
                                                                     $2,188,000
 Lead Tap Sampling Monitoring
                                                                    $24,369,000
                                                                    $35,621,000
                                                                    $11,252,000
                                                                    $26,588,000
                                                                    $45,587,000
                                                                    $18,999,000
 Source Water Monitoring
                                                                        $18,000
                                                                         $8,860
                                                                        $-8,952
                                                                        $46,000
                                                                        $32,000
                                                                       $-15,000
 School Sampling
                                                                             $0
                                                                    $12,471,000
                                                                    $12,471,000
                                                                             $0
                                                                    $12,922,000
                                                                    $12,922,000
 Total Annual Sampling Costs
                                                                    $30,546,000
                                                                    $55,088,000
                                                                    $24,542,000
                                                                    $33,768,000
                                                                    $67,872,000
                                                                    $34,104,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.226: National Annualized Sampling Costs - Private CWS of Size 100 and Fewer Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                         $9,779
                                                                        $16,000
                                                                         $6,138
                                                                         $8,365
                                                                        $16,000
                                                                         $7,503
 Lead Water Quality Parameters Monitoring
                                                                        $53,000
                                                                        $42,000
                                                                       $-11,000
                                                                       $193,000
                                                                        $54,000
                                                                      $-139,000
 Lead Tap Sampling Monitoring
                                                                     $2,956,000
                                                                     $3,400,000
                                                                       $444,000
                                                                     $3,066,000
                                                                     $3,154,000
                                                                        $88,000
 Source Water Monitoring
                                                                         $2,290
                                                                         $1,570
                                                                          $-721
                                                                         $6,006
                                                                         $4,221
                                                                        $-1,785
 School Sampling
                                                                             $0
                                                                       $318,000
                                                                       $318,000
                                                                             $0
                                                                       $318,000
                                                                       $318,000
 Total Annual Sampling Costs
                                                                     $3,021,000
                                                                     $3,778,000
                                                                       $757,000
                                                                     $3,274,000
                                                                     $3,546,000
                                                                       $273,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.227: National Annualized Sampling Costs - Private CWS of Size 101 to 500 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                        $12,000
                                                                        $11,000
                                                                          $-334
                                                                        $11,000
                                                                        $11,000
                                                                           $102
 Lead Water Quality Parameters Monitoring
                                                                        $55,000
                                                                       $103,000
                                                                        $48,000
                                                                       $201,000
                                                                       $123,000
                                                                       $-78,000
 Lead Tap Sampling Monitoring
                                                                     $3,034,000
                                                                     $3,682,000
                                                                       $648,000
                                                                     $3,206,000
                                                                     $3,565,000
                                                                       $359,000
 Source Water Monitoring
                                                                         $2,436
                                                                         $1,589
                                                                          $-847
                                                                         $6,103
                                                                         $4,805
                                                                        $-1,298
 School Sampling
                                                                             $0
                                                                       $321,000
                                                                       $321,000
                                                                             $0
                                                                       $322,000
                                                                       $322,000
 Total Annual Sampling Costs
                                                                     $3,103,000
                                                                     $4,120,000
                                                                     $1,016,000
                                                                     $3,425,000
                                                                     $4,027,000
                                                                       $602,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.228: National Annualized Sampling Costs - Private CWS of Size 501 to 1,000 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                         $3,141
                                                                         $2,787
                                                                          $-354
                                                                         $3,141
                                                                         $2,787
                                                                          $-354
 Lead Water Quality Parameters Monitoring
                                                                        $11,000
                                                                        $28,000
                                                                        $16,000
                                                                        $36,000
                                                                        $84,000
                                                                        $49,000
 Lead Tap Sampling Monitoring
                                                                       $688,000
                                                                       $910,000
                                                                       $221,000
                                                                       $729,000
                                                                     $1,160,000
                                                                       $431,000
 Source Water Monitoring
                                                                           $485
                                                                           $293
                                                                          $-192
                                                                         $1,076
                                                                           $974
                                                                          $-103
 School Sampling
                                                                             $0
                                                                        $71,000
                                                                        $71,000
                                                                             $0
                                                                        $73,000
                                                                        $73,000
 Total Annual Sampling Costs
                                                                       $703,000
                                                                     $1,012,000
                                                                       $308,000
                                                                       $769,000
                                                                     $1,321,000
                                                                       $552,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.229: National Annualized Sampling Costs - Private CWS of Size 1,001 to 3,300 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                         $2,507
                                                                         $1,809
                                                                          $-698
                                                                         $2,507
                                                                         $1,809
                                                                          $-698
 Lead Water Quality Parameters Monitoring
                                                                         $5,704
                                                                         $8,755
                                                                         $3,051
                                                                        $42,000
                                                                       $106,000
                                                                        $63,000
 Lead Tap Sampling Monitoring
                                                                       $473,000
                                                                       $612,000
                                                                       $139,000
                                                                       $524,000
                                                                       $842,000
                                                                       $318,000
 Source Water Monitoring
                                                                           $263
                                                                           $111
                                                                          $-152
                                                                         $1,141
                                                                           $860
                                                                          $-281
 School Sampling
                                                                             $0
                                                                        $91,000
                                                                        $91,000
                                                                             $0
                                                                        $93,000
                                                                        $93,000
 Total Annual Sampling Costs
                                                                       $482,000
                                                                       $714,000
                                                                       $232,000
                                                                       $570,000
                                                                     $1,044,000
                                                                       $474,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.230: National Annualized Sampling Costs - Private CWS of Size 3,301 to 10,000 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                           $848
                                                                           $424
                                                                          $-424
                                                                           $848
                                                                             $0
                                                                          $-848
 Lead Water Quality Parameters Monitoring
                                                                         $5,142
                                                                        $11,000
                                                                         $5,956
                                                                        $20,000
                                                                        $56,000
                                                                        $36,000
 Lead Tap Sampling Monitoring
                                                                       $396,000
                                                                       $525,000
                                                                       $129,000
                                                                       $434,000
                                                                       $726,000
                                                                       $292,000
 Source Water Monitoring
                                                                           $192
                                                                           $108
                                                                           $-83
                                                                           $398
                                                                           $359
                                                                           $-39
 School Sampling
                                                                             $0
                                                                        $86,000
                                                                        $86,000
                                                                             $0
                                                                        $89,000
                                                                        $89,000
 Total Annual Sampling Costs
                                                                       $403,000
                                                                       $623,000
                                                                       $220,000
                                                                       $455,000
                                                                       $871,000
                                                                       $416,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.231: National Annualized Sampling Costs - Private CWS of Size 10,001 to 50,000 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                             $0
                                                                           $450
                                                                           $450
                                                                             $0
                                                                           $450
                                                                           $450
 Lead Water Quality Parameters Monitoring
                                                                         $2,693
                                                                        $12,000
                                                                         $8,826
                                                                        $21,000
                                                                        $45,000
                                                                        $24,000
 Lead Tap Sampling Monitoring
                                                                       $311,000
                                                                       $454,000
                                                                       $143,000
                                                                       $357,000
                                                                       $584,000
                                                                       $226,000
 Source Water Monitoring
                                                                            $81
                                                                            $78
                                                                            $-3
                                                                           $388
                                                                           $294
                                                                           $-94
 School Sampling
                                                                             $0
                                                                       $136,000
                                                                       $136,000
                                                                             $0
                                                                       $142,000
                                                                       $142,000
 Total Annual Sampling Costs
                                                                       $314,000
                                                                       $602,000
                                                                       $288,000
                                                                       $379,000
                                                                       $771,000
                                                                       $392,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.232: National Annualized Sampling Costs - Private CWS of Size 50,001 to 100,000 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Water Quality Parameters Monitoring
                                                                       $229,000
                                                                       $235,000
                                                                         $6,691
                                                                       $229,000
                                                                       $236,000
                                                                         $6,839
 Lead Tap Sampling Monitoring
                                                                        $25,000
                                                                        $45,000
                                                                        $19,000
                                                                        $30,000
                                                                        $53,000
                                                                        $23,000
 Source Water Monitoring
                                                                            $10
                                                                             $9
                                                                            $-1
                                                                            $74
                                                                            $63
                                                                           $-11
 School Sampling
                                                                             $0
                                                                        $58,000
                                                                        $58,000
                                                                             $0
                                                                        $60,000
                                                                        $60,000
 Total Annual Sampling Costs
                                                                       $254,000
                                                                       $338,000
                                                                        $84,000
                                                                       $258,000
                                                                       $348,000
                                                                        $90,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.233: National Annualized Sampling Costs - Private CWS of Size 100,001 to 1,000,000 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Water Quality Parameters Monitoring
                                                                       $236,000
                                                                       $246,000
                                                                         $9,608
                                                                       $236,000
                                                                       $247,000
                                                                        $10,000
 Lead Tap Sampling Monitoring
                                                                        $44,000
                                                                        $71,000
                                                                        $27,000
                                                                        $50,000
                                                                        $99,000
                                                                        $49,000
 Source Water Monitoring
                                                                             $4
                                                                             $6
                                                                             $2
                                                                            $49
                                                                            $73
                                                                            $24
 School Sampling
                                                                             $0
                                                                        $94,000
                                                                        $94,000
                                                                             $0
                                                                        $99,000
                                                                        $99,000
 Total Annual Sampling Costs
                                                                       $280,000
                                                                       $411,000
                                                                       $131,000
                                                                       $287,000
                                                                       $446,000
                                                                       $159,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.234: National Annualized Sampling Costs - Private CWS of Size 100 and Fewer Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                           $845
                                                                           $704
                                                                          $-141
                                                                           $845
                                                                           $699
                                                                          $-146
 Lead Water Quality Parameters Monitoring
                                                                         $1,161
                                                                         $5,639
                                                                         $4,478
                                                                         $8,837
                                                                         $6,395
                                                                        $-2,441
 Lead Tap Sampling Monitoring
                                                                       $121,000
                                                                       $161,000
                                                                        $40,000
                                                                       $126,000
                                                                       $130,000
                                                                         $3,645
 Source Water Monitoring
                                                                           $224
                                                                            $83
                                                                          $-141
                                                                           $728
                                                                           $360
                                                                          $-369
 School Sampling
                                                                             $0
                                                                        $15,000
                                                                        $15,000
                                                                             $0
                                                                        $15,000
                                                                        $15,000
 Total Annual Sampling Costs
                                                                       $124,000
                                                                       $183,000
                                                                        $59,000
                                                                       $137,000
                                                                       $152,000
                                                                        $16,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.235: National Annualized Sampling Costs - Private CWS of Size 101 to 500 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                         $1,748
                                                                         $1,045
                                                                          $-704
                                                                         $1,748
                                                                         $1,045
                                                                          $-704
 Lead Water Quality Parameters Monitoring
                                                                         $2,524
                                                                        $21,000
                                                                        $18,000
                                                                        $16,000
                                                                        $18,000
                                                                         $1,274
 Lead Tap Sampling Monitoring
                                                                       $275,000
                                                                       $431,000
                                                                       $155,000
                                                                       $292,000
                                                                       $361,000
                                                                        $69,000
 Source Water Monitoring
                                                                           $484
                                                                           $172
                                                                          $-312
                                                                         $1,266
                                                                           $629
                                                                          $-637
 School Sampling
                                                                             $0
                                                                        $30,000
                                                                        $30,000
                                                                             $0
                                                                        $30,000
                                                                        $30,000
 Total Annual Sampling Costs
                                                                       $280,000
                                                                       $483,000
                                                                       $202,000
                                                                       $312,000
                                                                       $411,000
                                                                        $99,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.236: National Annualized Sampling Costs - Private CWS of Size 501 to 1,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                           $307
                                                                           $529
                                                                           $222
                                                                           $307
                                                                           $427
                                                                           $120
 Lead Water Quality Parameters Monitoring
                                                                         $1,051
                                                                         $5,652
                                                                         $4,600
                                                                         $5,130
                                                                        $18,000
                                                                        $12,000
 Lead Tap Sampling Monitoring
                                                                       $130,000
                                                                       $210,000
                                                                        $80,000
                                                                       $140,000
                                                                       $270,000
                                                                       $130,000
 Source Water Monitoring
                                                                           $113
                                                                            $44
                                                                           $-69
                                                                           $351
                                                                           $183
                                                                          $-168
 School Sampling
                                                                             $0
                                                                        $12,000
                                                                        $12,000
                                                                             $0
                                                                        $13,000
                                                                        $13,000
 Total Annual Sampling Costs
                                                                       $131,000
                                                                       $229,000
                                                                        $97,000
                                                                       $146,000
                                                                       $301,000
                                                                       $155,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.237: National Annualized Sampling Costs - Private CWS of Size 1,001 to 3,300 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                           $771
                                                                           $341
                                                                          $-430
                                                                           $771
                                                                           $341
                                                                          $-430
 Lead Water Quality Parameters Monitoring
                                                                         $2,496
                                                                         $4,757
                                                                         $2,261
                                                                        $11,000
                                                                        $37,000
                                                                        $26,000
 Lead Tap Sampling Monitoring
                                                                       $144,000
                                                                       $216,000
                                                                        $72,000
                                                                       $159,000
                                                                       $328,000
                                                                       $168,000
 Source Water Monitoring
                                                                           $258
                                                                            $49
                                                                          $-209
                                                                           $702
                                                                           $322
                                                                          $-380
 School Sampling
                                                                             $0
                                                                        $27,000
                                                                        $27,000
                                                                             $0
                                                                        $29,000
                                                                        $29,000
 Total Annual Sampling Costs
                                                                       $147,000
                                                                       $248,000
                                                                       $101,000
                                                                       $172,000
                                                                       $394,000
                                                                       $222,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.238: National Annualized Sampling Costs - Private CWS of Size 3,301 to 10,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Water Quality Parameters Monitoring
                                                                         $1,592
                                                                         $3,140
                                                                         $1,548
                                                                         $8,144
                                                                        $22,000
                                                                        $14,000
 Lead Tap Sampling Monitoring
                                                                       $205,000
                                                                       $298,000
                                                                        $92,000
                                                                       $230,000
                                                                       $469,000
                                                                       $239,000
 Source Water Monitoring
                                                                            $93
                                                                            $32
                                                                           $-60
                                                                           $362
                                                                           $183
                                                                          $-179
 School Sampling
                                                                             $0
                                                                        $38,000
                                                                        $38,000
                                                                             $0
                                                                        $40,000
                                                                        $40,000
 Total Annual Sampling Costs
                                                                       $207,000
                                                                       $339,000
                                                                       $131,000
                                                                       $239,000
                                                                       $531,000
                                                                       $292,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.239: National Annualized Sampling Costs - Private CWS of Size 10,001 to 50,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Water Quality Parameters Monitoring
                                                                         $1,366
                                                                         $3,348
                                                                         $1,983
                                                                        $13,000
                                                                        $30,000
                                                                        $17,000
 Lead Tap Sampling Monitoring
                                                                       $306,000
                                                                       $523,000
                                                                       $216,000
                                                                       $348,000
                                                                       $688,000
                                                                       $340,000
 Source Water Monitoring
                                                                            $53
                                                                            $22
                                                                           $-31
                                                                           $344
                                                                           $164
                                                                          $-180
 School Sampling
                                                                             $0
                                                                       $140,000
                                                                       $140,000
                                                                             $0
                                                                       $148,000
                                                                       $148,000
 Total Annual Sampling Costs
                                                                       $308,000
                                                                       $666,000
                                                                       $359,000
                                                                       $362,000
                                                                       $867,000
                                                                       $505,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.240: National Annualized Sampling Costs - Private CWS of Size 50,001 to 100,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Water Quality Parameters Monitoring
                                                                       $112,000
                                                                       $127,000
                                                                        $15,000
                                                                       $112,000
                                                                       $128,000
                                                                        $16,000
 Lead Tap Sampling Monitoring
                                                                        $76,000
                                                                       $131,000
                                                                        $54,000
                                                                        $85,000
                                                                       $147,000
                                                                        $62,000
 Source Water Monitoring
                                                                            $22
                                                                             $8
                                                                           $-14
                                                                            $96
                                                                            $46
                                                                           $-49
 School Sampling
                                                                             $0
                                                                        $77,000
                                                                        $77,000
                                                                             $0
                                                                        $79,000
                                                                        $79,000
 Total Annual Sampling Costs
                                                                       $188,000
                                                                       $334,000
                                                                       $146,000
                                                                       $197,000
                                                                       $354,000
                                                                       $157,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.241: National Annualized Sampling Costs - Private CWS of Size 100,001 to 1,000,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Water Quality Parameters Monitoring
                                                                       $205,000
                                                                       $242,000
                                                                        $37,000
                                                                       $205,000
                                                                       $246,000
                                                                        $41,000
 Lead Tap Sampling Monitoring
                                                                       $187,000
                                                                       $302,000
                                                                       $115,000
                                                                       $205,000
                                                                       $398,000
                                                                       $193,000
 Source Water Monitoring
                                                                            $33
                                                                            $17
                                                                           $-16
                                                                           $175
                                                                           $109
                                                                           $-66
 School Sampling
                                                                             $0
                                                                       $393,000
                                                                       $393,000
                                                                             $0
                                                                       $414,000
                                                                       $414,000
 Total Annual Sampling Costs
                                                                       $392,000
                                                                       $938,000
                                                                       $546,000
                                                                       $410,000
                                                                     $1,058,000
                                                                       $648,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.242: National Annualized Sampling Costs - Private CWS of Size Greater than 1,000,000 Treating Surface Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 Lead Water Quality Parameters Monitoring
                                                                         $3,074
                                                                         $4,007
                                                                           $933
                                                                         $3,074
                                                                         $4,086
                                                                         $1,011
 Lead Tap Sampling Monitoring
                                                                         $2,722
                                                                         $5,699
                                                                         $2,977
                                                                         $2,722
                                                                         $5,785
                                                                         $3,063
 Source Water Monitoring
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
                                                                             $0
 School Sampling
                                                                             $0
                                                                        $83,000
                                                                        $83,000
                                                                             $0
                                                                        $83,000
                                                                        $83,000
 Total Annual Sampling Costs
                                                                         $5,797
                                                                        $92,000
                                                                        $87,000
                                                                         $5,797
                                                                        $93,000
                                                                        $87,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.243: National Annualized Sampling Costs - Public CWS of Size 100 and Fewer Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                         $1,885
                                                                         $2,965
                                                                         $1,080
                                                                         $1,885
                                                                         $2,965
                                                                         $1,080
 Lead Water Quality Parameters Monitoring
                                                                         $5,129
                                                                         $4,928
                                                                          $-201
                                                                        $27,000
                                                                        $21,000
                                                                        $-6,155
 Lead Tap Sampling Monitoring
                                                                       $436,000
                                                                       $519,000
                                                                        $83,000
                                                                       $453,000
                                                                       $483,000
                                                                        $30,000
 Source Water Monitoring
                                                                           $266
                                                                           $187
                                                                           $-79
                                                                           $802
                                                                           $655
                                                                          $-147
 School Sampling
                                                                             $0
                                                                        $48,000
                                                                        $48,000
                                                                             $0
                                                                        $48,000
                                                                        $48,000
 Total Annual Sampling Costs
                                                                       $444,000
                                                                       $575,000
                                                                       $131,000
                                                                       $483,000
                                                                       $555,000
                                                                        $73,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.244: National Annualized Sampling Costs - Public CWS of Size 101 to 500 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                         $9,859
                                                                         $7,814
                                                                        $-2,045
                                                                         $9,859
                                                                         $7,814
                                                                        $-2,045
 Lead Water Quality Parameters Monitoring
                                                                        $26,000
                                                                        $88,000
                                                                        $62,000
                                                                       $121,000
                                                                       $144,000
                                                                        $23,000
 Lead Tap Sampling Monitoring
                                                                     $1,734,000
                                                                     $2,197,000
                                                                       $463,000
                                                                     $1,846,000
                                                                     $2,236,000
                                                                       $389,000
 Source Water Monitoring
                                                                         $1,401
                                                                           $915
                                                                          $-486
                                                                         $3,669
                                                                         $3,102
                                                                          $-567
 School Sampling
                                                                             $0
                                                                       $209,000
                                                                       $209,000
                                                                             $0
                                                                       $211,000
                                                                       $211,000
 Total Annual Sampling Costs
                                                                     $1,772,000
                                                                     $2,504,000
                                                                       $732,000
                                                                     $1,981,000
                                                                     $2,601,000
                                                                       $620,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.245: National Annualized Sampling Costs - Public CWS of Size 501 to 1,000 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                         $7,530
                                                                         $6,488
                                                                        $-1,042
                                                                         $7,181
                                                                         $6,044
                                                                        $-1,137
 Lead Water Quality Parameters Monitoring
                                                                        $25,000
                                                                        $82,000
                                                                        $57,000
                                                                        $93,000
                                                                       $269,000
                                                                       $176,000
 Lead Tap Sampling Monitoring
                                                                     $1,615,000
                                                                     $2,219,000
                                                                       $603,000
                                                                     $1,743,000
                                                                     $2,860,000
                                                                     $1,117,000
 Source Water Monitoring
                                                                         $1,029
                                                                           $673
                                                                          $-356
                                                                         $2,333
                                                                         $2,491
                                                                           $158
 School Sampling
                                                                             $0
                                                                       $186,000
                                                                       $186,000
                                                                             $0
                                                                       $190,000
                                                                       $190,000
 Total Annual Sampling Costs
                                                                     $1,649,000
                                                                     $2,493,000
                                                                       $845,000
                                                                     $1,846,000
                                                                     $3,328,000
                                                                     $1,482,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.246: National Annualized Sampling Costs - Public CWS of Size 1,001 to 3,300 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                        $12,000
                                                                        $16,000
                                                                         $4,694
                                                                        $10,000
                                                                        $16,000
                                                                         $5,370
 Lead Water Quality Parameters Monitoring
                                                                        $44,000
                                                                        $94,000
                                                                        $50,000
                                                                       $180,000
                                                                       $749,000
                                                                       $569,000
 Lead Tap Sampling Monitoring
                                                                     $2,553,000
                                                                     $3,264,000
                                                                       $711,000
                                                                     $2,752,000
                                                                     $4,420,000
                                                                     $1,667,000
 Source Water Monitoring
                                                                         $1,772
                                                                         $1,027
                                                                          $-745
                                                                         $4,436
                                                                         $4,706
                                                                           $271
 School Sampling
                                                                             $0
                                                                       $487,000
                                                                       $487,000
                                                                             $0
                                                                       $504,000
                                                                       $504,000
 Total Annual Sampling Costs
                                                                     $2,610,000
                                                                     $3,862,000
                                                                     $1,251,000
                                                                     $2,947,000
                                                                     $5,693,000
                                                                     $2,746,000
 Notes: Detail may not add exactly to total due to independent rounding.

 Exhibit C.247: National Annualized Sampling Costs - Public CWS of Size 3,301 to 10,000 Treating Ground Water at 7% Discount Rate (2016$)

                               Low Cost Estimate
                               High Cost Estimate

                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
                                                                   Previous LCR
                                                                     Final LCRR
                                                                    Incremental
 Copper Water Quality Parameters Monitoring
                                                                         $6,504
                                                                         $8,759
                                                                         $2,255
                                                                         $6,504
                                                                         $8,759
                                                                         $2,255
 Lead Water Quality Parameters Monitoring
                                                                        $51,000
                                                                        $88,000
                                                                        $37,000
                                                                       $153,000
                                                                       $401,000
                                                                       $248,000
 Lead Tap Sampling Monitoring
                                                                     $3,228,000
                                                                     $4,110,000
                                                                       $882,000
                                                                     $3,538,000
                                                                     $5,666,000
                                                                     $2,128,000
 Source Water Monitoring