PFAS contamination data for 9,875 water systems in Indiana, serving 6,096,088 people.
Indiana follows federal EPA MCLs (PFOA/PFOS: 4 ppt).
IN follows federal EPA MCLs. Developing state PFAS action plan. Contamination near multiple military and industrial sites.
Indiana follows federal EPA MCLs. Active PFAS investigation at multiple industrial and military sites.
Free eligibility check — plus weekly MCL, deadline, and funding alerts for Indiana.
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| CITIZENS WATER - INDIANAPOLIS IN5249004 | INDIANAPOLIS | 880,345 | — | — | Compliant |
| FORT WAYNE - 3 RIVERS FILTRATION PLANT IN5202020 | FORT WAYNE | 269,994 | — | — | Compliant |
| INDIANA AMERICAN WATER - NORTHWEST IN5245015 | GREENWOOD | 210,510 | — | — | Compliant |
| EVANSVILLE WATER UTILITY IN5282002 | EVANSVILLE | 182,444 | — | — | Compliant |
| SOUTH BEND WATER WORKS IN5271014 | SOUTH BEND | 115,000 | 10 | — | Exceeds |
| INDIANA AMERICAN WATER - S. INDIANA IN5210005 | GREENWOOD | 104,445 | — | — | Compliant |
| CARMEL WATER DEPARTMENT IN5229004 | CARMEL | 99,927 | — | — | Compliant |
| INDIANA AMERICAN WATER - JOHNSON COUNTY IN5241005 | GREENWOOD | 86,813 | — | — | Compliant |
| CITY OF BLOOMINGTON UTILITIES IN5253002 | BLOOMINGTON | 83,000 | — | — | Compliant |
| HAMMOND WATER WORKS DEPARTMENT IN5245020 | HAMMOND | 78,384 | — | — | Compliant |
| INDIANA AMERICAN WATER - MUNCIE IN5218012 | GREENWOOD | 74,030 | — | — | Compliant |
| LAFAYETTE WATER WORKS IN5279013 | LAFAYETTE | 70,835 | — | — | Compliant |
| INDIANA AMERICAN WATER - TERRE HAUTE IN5284012 | GREENWOOD | 67,765 | — | 5.2 | Exceeds |
| CITIZENS WATER OF WESTFIELD, LLC IN5229009 | INDIANAPOLIS | 61,493 | — | — | Compliant |
| INDIANA AMERICAN WATER - KOKOMO IN5234007 | GREENWOOD | 59,313 | — | — | Compliant |
| ANDERSON WATER DEPARTMENT IN5248002 | ANDERSON | 58,942 | — | 4.1 | Exceeds |
| COLUMBUS MUNICIPAL UTILITY IN5203002 | COLUMBUS | 51,122 | — | — | Compliant |
| PURDUE UNIV. WATER WORKS IN5279015 | WEST LAFAYETTE | 50,000 | — | — | Compliant |
| MISHAWAKA UTILITIES IN5271009 | MISHAWAKA | 49,675 | — | 4.2 | Exceeds |
| CITY OF LAWRENCE UTILITIES IN5249005 | INDIANAPOLIS | 49,000 | — | — | Compliant |
| ELKHART PUBLIC WORKS AND UTILITIES IN5220008 | ELKHART | 46,455 | 5.2 | — | Exceeds |
| INDIANA AMERICAN WATER - NOBLESVILLE IN5229015 | GREENWOOD | 45,575 | — | — | Compliant |
| INDIANA AMERICAN WATER - RICHMOND IN5289012 | GREENWOOD | 41,485 | — | — | Compliant |
| VALPARAISO DEPARTMENT OF WATER WORKS IN5264029 | VALPARAISO | 36,000 | — | — | Compliant |
| INDIANA AMERICAN WATER - NEW ALBANY IN5222005 | JEFFERSONVILLE | 35,905 | — | — | Compliant |
| INDIANA AMERICAN WATER - WEST LAFAYETTE IN5279020 | GREENWOOD | 35,533 | — | — | Compliant |
| PLAINFIELD WATER WORKS IN5232020 | PLAINFIELD | 34,477 | — | — | Compliant |
| BARGERSVILLE WATER DEPARTMENT IN5241001 | BARGERSVILLE | 34,418 | — | — | Compliant |
| MICHIGAN CITY DEPARTMENT OF WATER WORKS IN5246020 | MICHIGAN CITY | 33,996 | — | — | Compliant |
| GOSHEN WATER UTILITY IN5220009 | GOSHEN | 32,267 | — | — | Compliant |
| SCHERERVILLE WATER DEPARTMENT IN5245041 | SCHERERVILLE | 30,000 | — | — | Compliant |
| CROWN POINT WATER WORKS IN5245008 | CROWN POINT | 30,000 | — | — | Compliant |
| MARION CITY WATER WORKS IN5227014 | MARION | 28,363 | — | — | Compliant |
| GREENFIELD WATER UTILITY IN5230004 | GREENFIELD | 26,671 | — | — | Compliant |
| EAST CHICAGO WATER WORKS IN5245012 | EAST CHICAGO | 26,370 | — | — | Compliant |
| ST. JOHN MUNICIPAL WATER UTILITY IN5245043 | ST. JOHN | 25,700 | — | — | Compliant |
| FORT WAYNE CITY UTILITIES IN5202014 | FORT WAYNE | 24,890 | — | — | Compliant |
| HIGHLAND WATER WORKS IN5245021 | HIGHLAND | 23,984 | — | — | Compliant |
| MUNSTER WATER COMPANY IN5245031 | MUNSTER | 23,894 | — | — | Compliant |
| BROWNSBURG WATER WORKS IN5232002 | BROWNSBURG | 23,750 | — | — | Compliant |
| INDIANA AMERICAN WATER - NEWBURGH IN5287004 | NEWBURGH | 22,215 | — | — | Compliant |
| LAPORTE WATER WORKS IN5246017 | LAPORTE | 22,197 | — | — | Compliant |
| INDIANA AMERICAN WATER - SEYMOUR IN5236005 | GREENWOOD | 20,725 | — | — | Compliant |
| CHANDLER WATER WORKS DEPARTMENT IN5287002 | CHANDLER | 20,120 | — | — | Compliant |
| SILVER CREEK WATER CORPORATION IN5210011 | SELLERSBURG | 20,028 | — | — | Compliant |
| AQUA INDIANA - NORTH END WATER SUPPLY IN5202002 | FORT WAYNE | 20,018 | — | — | Compliant |
| NEW CASTLE UTILITIES IN5233011 | NEW CASTLE | 19,880 | — | — | Compliant |
| STUCKER FORK WATER UTILITY IN5272002 | SCOTTSBURG | 19,120 | — | — | Compliant |
| INDIANA AMERICAN WATER - SHELBYVILLE IN5273002 | GREENWOOD | 19,093 | — | — | Compliant |
| EASTERN HEIGHTS UTILITIES IN5228003 | BLOOMFIELD | 19,028 | — | — | Compliant |
| VINCENNES WATER DEPARTMENT IN5242014 | VINCENNES | 18,701 | — | — | Compliant |
| LOGANSPORT MUNICIPAL UTILITY-WELL FIELD IN5209012 | LOGANSPORT | 18,369 | — | — | Compliant |
| JASPER MUNICIPAL WATER UTILITY IN5219009 | JASPER | 17,440 | — | — | Compliant |
| HUNTINGTON WATER DEPARTMENT IN5235005 | HUNTINGTON | 17,300 | — | — | Compliant |
| GRIFFITH WATER DEPARTMENT IN5245019 | GRIFFITH | 16,893 | — | — | Compliant |
| DYER WATER DEPARTMENT IN5245011 | DYER | 16,800 | — | — | Compliant |
| RAMSEY WATER COMPANY, INC. IN5231005 | RAMSEY | 16,475 | 5.2 | — | Exceeds |
| FRANKFORT WATER WORKS IN5212003 | FRANKFORT | 16,422 | — | — | Compliant |
| LEBANON UTILITIES IN5206003 | LEBANON | 16,098 | — | — | Compliant |
| INDIANA AMERICAN WATER - CRAWFORDSVILLE IN5254005 | GREENWOOD | 15,930 | — | — | Compliant |
| WATSON RURAL WATER COMPANY IN5210016 | JEFFERSONVILLE | 15,750 | — | — | Compliant |
| NEW HAVEN WATER DEPARTMENT IN5202009 | NEW HAVEN | 15,700 | — | — | Compliant |
| SELLERSBURG WATER DEPARTMENT IN5210010 | SELLERSBURG | 15,655 | 4 | — | At risk |
| BROWN COUNTY WATER UTILITY IN5207001 | MORGANTOWN | 15,368 | 12.9 | 10.5 | Exceeds |
| MADISON WATER DEPARTMENT IN5239006 | MADISON | 15,323 | 4.6 | — | Exceeds |
| MARTINSVILLE WATER UTILITY IN5255009 | MARTINSVILLE | 15,000 | — | — | Compliant |
| ELLETTSVILLE WATER WORKS IN5253004 | ELLETTSVILLE | 14,500 | — | — | Compliant |
| HARBOUR WATER IN5229010 | INDIANAPOLIS | 14,148 | — | — | Compliant |
| HUNTERTOWN WATER WORKS IN5202007 | FORT WAYNE | 14,058 | — | — | Compliant |
| BEDFORD CITY UTILITIES IN5247001 | BEDFORD | 14,000 | — | — | Compliant |
| INDIANA AMERICAN WATER - WARSAW IN5243030 | GREENWOOD | 13,835 | — | — | Compliant |
| WASHINGTON WATER WORKS IN5214007 | WASHINGTON | 13,690 | — | — | Compliant |
| JACKSON COUNTY WATER UTILITY IN5236003 | BROWNSTOWN | 13,667 | 6 | 5.1 | Exceeds |
| EASTERN BARTHOLOMEW WATER IN5203004 | TAYLORSVILLE | 13,547 | — | — | Compliant |
| PATOKA LAKE REGIONAL WATER IN5219012 | DUBOIS | 13,503 | — | — | Compliant |
| CONNERSVILLE UTILITIES IN5221001 | CONNERSVILLE | 13,282 | — | — | Compliant |
| GERMAN TOWNSHIP WATER DISTRICT INC. IN5282003 | EVANSVILLE | 12,890 | — | — | Compliant |
| LOGANSPORT MUN.UTILITY-SW TREATMENT PLNT IN5209006 | LOGANSPORT | 12,861 | — | — | Compliant |
| AUBURN WATER DEPARTMENT IN5217001 | AUBURN | 12,800 | — | — | Compliant |
| GREENCASTLE DEPARTMENT OF WATER IN5267004 | GREENCASTLE | 12,699 | — | — | Compliant |
| GREENSBURG MUNICIPAL WATER WORKS IN5216002 | GREENSBURG | 12,650 | — | — | Compliant |
| LAKE STATION WATER DEPARTMENT IN5245027 | VALPARAISO | 12,572 | — | — | Compliant |
| INDIANA AMERICAN WATER - WABASH IN5285003 | GREENWOOD | 12,140 | — | — | Compliant |
| SOUTH HAVEN WATER WORKS IN5264027 | VALPARAISO | 12,000 | — | — | Compliant |
| BRAZIL CITY WATER WORKS IN5211001 | BRAZIL | 12,000 | — | — | Compliant |
| INDIANA CITIES WATER COMPANY - FRANKLIN IN5241004 | FRANKLIN | 11,939 | — | — | Compliant |
| PATRIOT WATER DEPARTMENT IN5278001 | PATRIOT | 11,937 | — | — | Compliant |
| INDIANA AMERICAN WATER - LOWELL IN5245029 | GREENWOOD | 11,908 | — | — | Compliant |
| BORDEN TRI-COUNTY REGION IN5210002 | BORDEN | 11,637 | — | — | Compliant |
| NORTH LAWRENCE WATER AUTHORITY IN5247004 | BEDFORD | 11,625 | — | — | Compliant |
| PERU WATER DEPARTMENT IN5252016 | PERU | 11,417 | — | — | Compliant |
| PRINCETON WATER DEPARTMENT IN5226008 | PRINCETON | 10,875 | — | — | Compliant |
| SPEEDWAY WATER WORKS IN5249008 | SPEEDWAY | 10,578 | — | — | Compliant |
| CHARLESTOWN/RIVER RIDGE IN2100018 | JEFFERSONVILLE | 10,500 | — | — | Compliant |
| DANVILLE WATER WORKS IN5232004 | DANVILLE | 10,500 | — | — | Compliant |
| EDWARDSVILLE WATER CORPORATION IN5222001 | GEORGETOWN | 10,442 | — | — | Compliant |
| TRI-TOWNSHIP WATER CORPORATION IN5215009 | LAWRENCEBURG | 10,435 | — | — | Compliant |
| KENDALLVILLE WATER DEPARTMENT IN5257008 | KENDALLVILLE | 10,300 | — | — | Compliant |
| BLUFFTON UTILITIES WATER DEPT IN5290001 | BLUFFTON | 10,298 | — | — | Compliant |
| CITY OF BOONVILLE IN5287001 | BOONVILLE | 10,260 | — | — | Compliant |
| PLYMOUTH WATER DEPARTMENT IN5250010 | PLYMOUTH | 10,241 | — | — | Compliant |
| INDIANA AMERICAN WATER - MOORESVILLE IN5255006 | GREENWOOD | 10,083 | — | — | Compliant |
| PIKE-GIBSON WATER, INC. IN5263003 | OAKLAND CITY | 10,000 | 7.9 | — | Exceeds |
| BBP WATER COMPANY IN5260001 | SPENCER | 9,903 | — | — | Compliant |
| DECATUR WATER DEPARTMENT IN5201002 | DECATUR | 9,900 | — | — | Compliant |
| COLUMBIA CITY WATER DEPARTMENT IN5292004 | COLUMBIA CITY | 9,892 | — | — | Compliant |
| ANGOLA WATER DEPARTMENT IN5276001 | ANGOLA | 9,340 | — | — | Compliant |
| TELL CITY WATER DEPARTMENT IN5262004 | TELL CITY | 9,315 | 4.3 | — | Exceeds |
| DUBOIS WATER UTILITIES IN5219002 | DUBOIS | 9,078 | — | — | Compliant |
| SOUTH HARRISON WATER CORPORATION IN5231006 | CORYDON | 9,057 | — | — | Compliant |
| SOUTHERN MONROE WATER AUTHORITY IN5253007 | HARRODSBURG | 8,877 | — | — | Compliant |
| MORGAN COUNTY RURAL WATER COMPANY IN5255010 | MARTINSVILLE | 8,800 | — | — | Compliant |
| HOOSIER HILLS REGIONAL WATER DISTRICT IN5269002 | MILAN | 8,660 | — | — | Compliant |
| INDIANA AMERICAN WATER - CHARLESTOWN IN5210003 | GREENWOOD | 8,658 | 13.4 | — | Exceeds |
| SOUTHWESTERN BARTHOLOMEW WATER CORP. IN5203008 | COLUMBUS | 8,652 | — | — | Compliant |
| EAST WASHINGTON RURAL WATER IN5288002 | SALEM | 8,613 | — | — | Compliant |
| ELWOOD WATER & SEWAGE IN5248007 | ELWOOD | 8,586 | — | — | Compliant |
| CHESTERTON UTILITIES IN5264004 | CHESTERTON | 8,490 | — | — | Compliant |
| JENNINGS WATER, INC. IN5240006 | NORTH VERNON | 8,370 | — | — | Compliant |
| RURAL MEMBERSHIP WATER CORP. OF CLARK CO IN5210009 | HENRYVILLE | 8,250 | — | — | Compliant |
| SALEM WATER WORKS IN5288005 | SALEM | 8,200 | — | — | Compliant |
| FRANKLIN COUNTY WATER ASSOCIATION IN5224002 | BROOKVILLE | 8,200 | — | — | Compliant |
| HILL WATER CORPORATION IN5255021 | MOORESVILLE | 8,200 | — | — | Compliant |
| EAST LAWRENCE WATER AUTHORITY IN5247002 | BEDFORD | 8,000 | — | — | Compliant |
| CUII - TWIN LAKES IN5245046 | DEMOTTE | 8,000 | — | — | Compliant |
| DAVIESS COUNTY RURAL WATER IN5214002 | WASHINGTON | 7,969 | — | — | Compliant |
| FORTVILLE WATER WORKS IN5230003 | FORTVILLE | 7,638 | — | — | Compliant |
| INGALLS WATER COMPANY IN5248012 | INGALLS | 7,600 | — | — | Compliant |
| LINTON MUNICIPAL WATER UTILITY IN5228005 | LINTON | 7,430 | — | — | Compliant |
| UNIVERSITY OF NOTRE DAME IN5271020 | NOTRE DAME | 7,400 | 4.1 | — | Exceeds |
| SCOTTSBURG WATER DEPARTMENT IN5272001 | SCOTTSBURG | 7,369 | — | — | Compliant |
| WESTFIELD WATER WORKS - NORTH IN5229021 | WESTFIELD | 7,295 | — | — | Compliant |
| BATESVILLE WATER UTILITY IN5269001 | BATESVILLE | 7,280 | — | — | Compliant |
| CHARLESTOWN/RIVER RIDGE IN5210018 | JEFFERSONVILLE | 7,225 | — | — | Compliant |
| MARYSVILLE OTISCO NABB WATER CORP. IN5210006 | MARYSVILLE | 6,813 | 14.5 | — | Exceeds |
| NAPPANEE WATER UTILITY IN5220016 | NAPPANEE | 6,800 | — | — | Compliant |
| RUSHVILLE CITY UTILITY IN5270005 | RUSHVILLE | 6,800 | — | — | Compliant |
| KENT WATER COMPANY IN5239004 | HANOVER | 6,750 | — | — | Compliant |
| VAN BUREN WATER, INC. IN5253008 | BLOOMINGTON | 6,670 | — | — | Compliant |
| INDIANA AMERICAN WATER - SULLIVAN IN5277009 | GREENWOOD | 6,598 | — | — | Compliant |
| NAVAL SUPPORT ACTIVITY, CRANE IN5251003 | CRANE | 6,538 | — | — | Compliant |
| HUNTINGBURG MUNICIPAL WATER IN5219007 | HUNTINGBURG | 6,526 | — | — | Compliant |
| NORTH VERNON WATER DEPARTMENT IN5240008 | NORTH VERNON | 6,500 | — | — | Compliant |
| MOUNT VERNON WATER WORKS IN5265006 | MOUNT VERNON | 6,426 | 4 | — | At risk |
| AURORA UTILITIES IN5215001 | AURORA | 6,415 | — | — | Compliant |
| SOUTH LAWRENCE UTILITIES IN5247007 | MITCHELL | 6,395 | — | — | Compliant |
| SEELYVILLE WATER WORKS IN5284011 | SEELYVILLE | 6,393 | — | — | Compliant |
| GARRETT WATER UTILITY IN5217004 | GARRETT | 6,390 | — | — | Compliant |
| ROCHESTER WATER DEPARTMENT IN5225006 | ROCHESTER | 6,218 | — | — | Compliant |
| PORTLAND MUNICIPAL WATER PLANT IN5238007 | PORTLAND | 6,209 | — | — | Compliant |
| YORKTOWN WATER DEPARTMENT IN5218014 | YORKTOWN | 6,200 | — | — | Compliant |
| RENSSELAER WATER DEPARTMENT IN5237005 | RENSSELAER | 6,200 | — | — | Compliant |
| NORTH MANCHESTER WATER DEPARTMENT IN5285009 | NORTH MANCHESTER | 6,100 | — | — | Compliant |
| FLOYDS KNOBS WATER COMPANY, INC. IN5222002 | GREENVILLE | 6,100 | — | — | Compliant |
| GAS CITY WATER DEPARTMENT IN5227006 | GAS CITY | 6,000 | — | — | Compliant |
| WHITELAND WATER WORKS IN5241009 | WHITELAND | 5,955 | — | — | Compliant |
| WHITESTOWN SOUTH IN5206014 | WHITESTOWN | 5,880 | — | — | Compliant |
| NORTH DEARBORN WATER AUTHORITY IN5215008 | WEST HARRISON | 5,775 | — | — | Compliant |
| PENDLETON WATER COMPANY IN5248019 | PENDLETON | 5,758 | — | — | Compliant |
| CORYDON WATER WORKS IN5231001 | CORYDON | 5,716 | — | — | Compliant |
| CITIZENS WATER - MORGAN IN5255019 | INDIANAPOLIS | 5,705 | — | — | Compliant |
| NEW WHITELAND WATER WORKS IN5241006 | NEW WHITELAND | 5,648 | — | — | Compliant |
| CICERO WATER DEPARTMENT IN5229005 | CICERO | 5,607 | — | — | Compliant |
| HARTFORD CITY WATER WORKS IN5205002 | HARTFORD CITY | 5,600 | — | — | Compliant |
| NAPOLEON COMMUNITY RURAL WATER CORP. IN5269007 | NAPOLEON | 5,564 | — | — | Compliant |
| VALLEY RURAL UTILITY COMPANY IN5215004 | LAWRENCEBURG | 5,529 | — | — | Compliant |
| NEW CHICAGO WATER WORKS IN5245032 | HOBART | 5,500 | — | — | Compliant |
| INDIANA AMERICAN WATER - WINCHESTER IN5268003 | GREENWOOD | 5,405 | — | — | Compliant |
| L-M-S CONSERVANCY DISTRICT IN5215007 | AURORA | 5,375 | — | — | Compliant |
| MONTICELLO WATER WORKS IN5291011 | MONTICELLO | 5,300 | — | — | Compliant |
| CAMP ATTERBURY IN5241015 | EDINBURGH | 5,300 | — | — | Compliant |
| TIPTON UTILITY SERVICE B IN5280004 | TIPTON | 5,200 | — | — | Compliant |
| SOUTH PARK BUSINESS CENTER IN2410017 | INDIANAPOLIS | 5,167 | — | — | Compliant |
| ALEXANDRIA WATER DEPARTMENT IN5248001 | ALEXANDRIA | 5,149 | — | — | Compliant |
| CITY OF GREENDALE UTILITIES IN5215003 | GREENDALE | 5,092 | — | — | Compliant |
| MITCHELL WATER DEPARTMENT IN5247003 | MITCHELL | 5,000 | — | — | Compliant |
| LAWRENCEBURG MUNICIPAL UTILITIES IN5215006 | LAWRENCEBURG | 5,000 | — | — | Compliant |
| FORT BENJAMIN HARRISON IN5249001 | FT BENJAMIN HAR | 5,000 | — | — | Compliant |
| GREENVILLE WATER UTILITY IN5222004 | GREENVILLE | 4,920 | 7.2 | — | Exceeds |
| WHITING WATER DEPARTMENT IN5245048 | WHITING | 4,900 | — | — | Compliant |
| ABERDEEN PATE WATER COMPANY, INC. IN5258001 | AURORA | 4,787 | — | — | Compliant |
| GIBSON WATER AUTHORITY IN5226009 | HAUBSTADT | 4,775 | 4.9 | — | Exceeds |
| CLINTON WATER UTILITY IN5283004 | CLINTON | 4,773 | — | — | Compliant |
| B&B WATER PROJECT, INC. IN5253001 | BLOOMINGTON | 4,695 | — | — | Compliant |
| CITIZENS WATER - PLAINFIELD IN5232021 | INDIANAPOLIS | 4,652 | — | — | Compliant |
| CEDAR LAKE WATER WORKS IN5245047 | CEDAR LAKE | 4,600 | — | — | Compliant |
| BREMEN WATER DEPARTMENT IN5250003 | BREMEN | 4,516 | — | — | Compliant |
| PLAINFIELD RE-ENTRY EDUCATIONAL FACILITY IN5232007 | PLAINFIELD | 4,500 | — | — | Compliant |
| EDINBURGH WATER UTILITY IN5241002 | EDINBURGH | 4,480 | — | — | Compliant |
| TOWN OF ELIZABETH IN5231007 | ELIZABETH | 4,450 | — | — | Compliant |
| INDIANA AMERICAN WATER - SHERIDAN IN5229014 | GREENWOOD | 4,435 | — | — | Compliant |
| CANAAN UTILITIES IN5239001 | CANAAN | 4,428 | — | — | Compliant |
| PALMYRA WATER WORKS IN5231004 | PAOLI | 4,425 | 6.5 | — | Exceeds |
| LIGONIER WATER WORKS IN5257010 | LIGONIER | 4,405 | — | — | Compliant |
| IRELAND UTILITIES, INC. IN5219008 | IRELAND | 4,395 | — | — | Compliant |
| BERNE WATER DEPARTMENT IN5201001 | BERNE | 4,388 | — | — | Compliant |
| WASHINGTON TOWNSHIP WATER IN5210015 | NEW WASHINGTON | 4,315 | — | — | Compliant |
| HILL WATER CORPORATION IN5255005 | MOORESVILLE | 4,212 | — | — | Compliant |
| CUII - INDIANA WATER SERVICE IN5245057 | CROWN POINT | 4,200 | — | — | Compliant |
| ROCKVILLE LIGHT & WATER IN5261006 | ROCKVILLE | 4,195 | — | — | Compliant |
| TENNYSON WATER UTILITY IN5287007 | TENNYSON | 4,158 | — | — | Compliant |
| PITTSBORO WATER COMPANY IN5232019 | BROWNSBURG | 4,113 | — | — | Compliant |
| PRINCES LAKE WATER DEPARTMENT IN5241007 | NINEVEH | 4,095 | — | — | Compliant |
| WEST TERRE HAUTE WATER IN5284015 | CENTERPOINT | 4,075 | — | 7.1 | Exceeds |
| BICKNELL MUNICIPAL UTILITIES IN5242001 | BICKNELL | 4,064 | — | — | Compliant |
| NORTHWEST JASPER REGIONAL WATER DISTRICT IN5237015 | DEMOTTE | 4,054 | — | — | Compliant |
| FORT BRANCH WATER DEPARTMENT IN5226001 | FORT BRANCH | 4,020 | — | — | Compliant |
| PETERSBURG WATER COMPANY IN5263002 | WASHINGTON | 4,018 | — | — | Compliant |
| INDIANA AMERICAN WATER - INDIAN HEIGHTS IN5234004 | GREENWOOD | 4,000 | — | — | Compliant |
| ZIONSVILLE MUNICIPAL WW IN5206007 | ZIONSVILLE | 3,940 | — | — | Compliant |
| REO WATER CORPORATION IN5274009 | BOONVILLE | 3,875 | — | — | Compliant |
| DUPONT WATER COMPANY IN5240004 | COMMISKEY | 3,865 | — | — | Compliant |
| WASHINGTON TWP WATER AUTHORITY IN5253009 | BLOOMINGTON | 3,825 | — | — | Compliant |
| BEAN BLOSSOM-PATRICKSBUR IN5260004 | SPENCER | 3,780 | — | — | Compliant |
| HEBRON WATER DEPARTMENT IN5264009 | HEBRON | 3,724 | — | — | Compliant |
| KNOX WATER WORKS IN5275002 | KNOX | 3,700 | — | — | Compliant |
| SANTA CLAUS WATER UTILITY IN5274010 | SANTA CLAUS | 3,683 | — | — | Compliant |
| PAOLI WATER DEPARTMENT IN5259004 | ORLEANS | 3,677 | — | — | Compliant |
| JASONVILLE WATER DEPARTMENT IN5228004 | JASONVILLE | 3,660 | — | — | Compliant |
| EAST MONROE WATER CORPORATION IN5253003 | BLOOMINGTON | 3,648 | — | — | Compliant |
| INDIANA AMERICAN WATER - GEORGETOWN IN5222003 | GREENWOOD | 3,605 | — | — | Compliant |
| KNOX COUNTY WATER, INC. IN5242018 | VINCENNES | 3,525 | — | — | Compliant |
| UNION CITY WATER WORKS IN5268010 | UNION CITY | 3,513 | — | — | Compliant |
| POSEY TOWNSHIP WATER CORP. IN5288006 | HARDINSBURG | 3,500 | — | — | Compliant |
| EAST FORK WATER IN5251004 | SHOALS | 3,485 | — | — | Compliant |
| DECATUR CO. WATER CORP. IN5216008 | GREENSBURG | 3,440 | — | — | Compliant |
| CORDRY SWEETWATER CONSERVANCY DISTRICT IN5207004 | NINEVEH | 3,425 | — | — | Compliant |
| MIDDLEBURY WATER DEPARTMENT IN5220014 | MIDDLEBURY | 3,420 | — | — | Compliant |
| NASHVILLE WATER DEPARTMENT IN5207002 | NASHVILLE | 3,315 | — | — | Compliant |
| UPLAND WATER DEPARTMENT IN5227022 | UPLAND | 3,308 | — | — | Compliant |
| ST. HENRY WATER CORPORATION IN5219011 | FERDINAND | 3,293 | — | — | Compliant |
| OSSIAN MUNICIPAL WATER DEPARTMENT IN5290002 | OSSIAN | 3,289 | — | — | Compliant |
| CATARACT LAKE WATER CORPORATION IN5260002 | CLOVERDALE | 3,215 | — | — | Compliant |
| DELPHI WATER WORKS IN5208002 | DELPHI | 3,200 | — | — | Compliant |
| SPRINGS VALLEY REGIONAL WATER DISTRICT IN5259002 | FRENCH LICK | 3,188 | — | — | Compliant |
| NEW CASTLE CORRECTIONAL FACILITY IN5233001 | INDIANAPOLIS | 3,160 | — | — | Compliant |
| ATTICA WATER UTILITY IN5223001 | ATTICA | 3,147 | — | — | Compliant |
| CARLISLE WATER DEPARTMENT IN5277001 | CARLISLE | 3,125 | — | — | Compliant |
| TRI-COUNTY CONSERVANCY DISTRICT IN5255022 | CAMBY | 3,078 | — | — | Compliant |
| PEOPLES WATER COMPANY, INC. IN5245036 | GARY | 3,000 | — | — | Compliant |
| PENDLETON CORRECTIONAL FACILITY IN5248011 | PENDLETON | 3,000 | — | — | Compliant |
| JENNINGS NORTHWEST REGIONAL UTILITY IN5240002 | NORTH VERNON | 2,955 | — | — | Compliant |
| OAKLAND CITY WATER DEPARTMENT IN5226005 | OAKLAND CITY | 2,938 | — | — | Compliant |
| FERDINAND WATER DEPARTMENT IN5219004 | FERDINAND | 2,918 | — | — | Compliant |
| ELLIS WATER COMPANY, INC. IN5228001 | LINTON | 2,892 | — | — | Compliant |
| WESTVILLE CORRECTIONAL FACILITY IN5246001 | WESTVILLE | 2,850 | — | — | Compliant |
| AND-TRO WATER AUTHORITY - DISTRICT 1 IN5262001 | TELL CITY | 2,833 | — | — | Compliant |
| SYRACUSE WATER COMPANY IN5243025 | SYRACUSE | 2,810 | — | — | Compliant |
| BROOKVILLE WATER WORKS IN5224001 | BROOKVILLE | 2,800 | — | — | Compliant |
| REELSVILLE WATER COMPANY IN5267006 | REELSVILLE | 2,800 | — | — | Compliant |
| LOOGOOTEE WATER WORKS IN5251005 | LOOGOOTEE | 2,800 | — | — | Compliant |
| CHESTERFIELD WATER DEPARTMENT IN5248004 | CHESTERFIELD | 2,800 | — | — | Compliant |
| SULLIVAN-VIGO RURAL WATER CORP. IN5284021 | PIMENTO | 2,765 | — | — | Compliant |
| FAIRMOUNT WATER WORKS IN5227005 | FAIRMOUNT | 2,756 | — | — | Compliant |
| BROWNSTOWN-HOOSIER WATER IN5236002 | BROWNSTOWN | 2,704 | — | — | Compliant |
| SHOREWOOD FOREST UTILITI IN5264026 | VALPARAISO | 2,700 | — | — | Compliant |
| BUTLER WATER DEPARTMENT IN5217003 | WATERLOO | 2,700 | — | — | Compliant |
| AVILLA WATER DEPARTMENT IN5257002 | AVILLA | 2,700 | — | — | Compliant |
| CRAWFORD COUNTY WATER COMPANY, INC. IN5213001 | MARENGO | 2,678 | — | — | Compliant |
| HAMILTON WATER DEPARTMENT IN5276023 | HAMILTON | 2,675 | — | — | Compliant |
| FINCH NEWTON WATER, INC. IN5274003 | CHRISNEY | 2,672 | — | — | Compliant |
| COVINGTON WATER DEPARTMENT IN5223002 | COVINGTON | 2,645 | — | — | Compliant |
| TURKEY CREEK UTILITY CORPORATION IN5245045 | MERRILLVILLE | 2,629 | — | — | Compliant |
| LAGRANGE DEPARTMENT OF WATER WORKS IN5244003 | LAGRANGE | 2,625 | — | — | Compliant |
| HANOVER WATER DEPARTMENT IN5239003 | HANOVER | 2,597 | 6.3 | 4.1 | Exceeds |
| CENTERVILLE WATER WORKS IN5289003 | MILTON | 2,533 | — | — | Compliant |
| ROCKPORT WATER IN5274007 | ROCKPORT | 2,520 | — | — | Compliant |
| PUTNAMVILLE CORRECTIONAL FACILITY IN5267005 | GREENCASTLE | 2,505 | — | — | Compliant |
| GREENTOWN MUNICIPAL WATER IN5234006 | GREENTOWN | 2,500 | — | — | Compliant |
| PERU UTILITIES/GRISSOM IN5252011 | PERU | 2,500 | — | — | Compliant |
| L-A-C UTILITIES IN5264033 | VALPARAISO | 2,441 | — | — | Compliant |
| WINAMAC MUNICIPAL UTILITIES IN5266005 | WINAMAC | 2,400 | — | — | Compliant |
| RISING SUN UTILITIES IN5258002 | RISING SUN | 2,400 | — | — | Compliant |
| HAYDEN WATER ASSOCIATION IN5240005 | NORTH VERNON | 2,395 | — | — | Compliant |
| LAPEL MUNICIPAL WATER COMPANY IN5248013 | LAPEL | 2,379 | — | — | Compliant |
| HOLTON COMMUNITY WATER CORP. IN5269008 | HOLTON | 2,363 | — | — | Compliant |
| ALBION WATER & SEWER IN5257001 | ALBION | 2,349 | — | — | Compliant |
| FOWLER WATER WORKS IN5204006 | FOWLER | 2,342 | — | — | Compliant |
| DUNKIRK WATER DEPARTMENT IN5238001 | DUNKIRK | 2,305 | — | — | Compliant |
| CLINTON TOWNSHIP WATER COMPANY IN5283003 | CLINTON | 2,300 | — | — | Compliant |
| VEEDERSBURG MUNICIPAL WATER SUPPLY IN5223005 | WINGATE | 2,299 | — | — | Compliant |
| WALKERTON LIGHT & WATER IN5271017 | WALKERTON | 2,262 | — | — | Compliant |
| WATERLOO WATER WORKS IN5217007 | HAMILTON | 2,242 | — | — | Compliant |
| CLOVERDALE WATER WORKS IN5267003 | CLOVERDALE | 2,225 | — | — | Compliant |
| RIVERSIDE WATER COMPANY IN5210008 | JEFFERSONVILLE | 2,220 | — | — | Compliant |
| KNIGHTSTOWN WATER UTILITY IN5233005 | KNIGHTSTOWN | 2,182 | — | — | Compliant |
| ALBANY WATER DEPARTMENT IN5218001 | ALBANY | 2,165 | — | — | Compliant |
| NEW PEKIN WATER UTILITY IN5288004 | PEKIN | 2,150 | — | — | Compliant |
| OWENSVILLE WATER WORKS IN5226006 | OWENSVILLE | 2,148 | — | — | Compliant |
| ORLEANS WATER WORKS IN5259003 | ORLEANS | 2,142 | — | — | Compliant |
| FREMONT WATER DEPARTMENT IN5276006 | FREMONT | 2,138 | — | — | Compliant |
| LIBERTY WATER WORKS IN5281001 | LIBERTY | 2,133 | — | — | Compliant |
| ELBERFELD WATER DEPARTMENT IN5287003 | ELBERFELD | 2,122 | — | — | Compliant |
| HOPE WATER DEPARTMENT IN5203006 | HOPE | 2,113 | — | — | Compliant |
| SISTERS OF HOLY CROSS-ST. MARYS COLLEGE IN5271025 | NOTRE DAME | 2,111 | — | — | Compliant |
| OTWELL WATER CORPORATION IN5263001 | OTWELL | 2,100 | — | — | Compliant |
| SHELBURN WATER UTILITIES IN5277008 | SHELBURN | 2,100 | — | — | Compliant |
| FLORA WATER WORKS IN5208003 | FLORA | 2,100 | — | — | Compliant |
| INDIANA AMERICAN WATER - FARMERSBURG IN5277003 | GREENWOOD | 2,095 | — | — | Compliant |
| PIONEER WATER L.L.C. IN5202034 | ST. JOE | 2,076 | — | — | Compliant |
| EDGEWOOD WATER DEPARTMENT IN5248006 | ANDERSON | 2,053 | — | — | Compliant |
| MIDDLETOWN WATER UTILITY IN5233008 | MIDDLETON | 2,050 | — | — | Compliant |
| RYKERS RIDGE WATER COMPANY IN5239007 | MADISON | 2,050 | — | — | Compliant |
| LONG BEACH WATER DEPARTMENT IN5246028 | LONG BEACH | 2,050 | — | — | Compliant |
| JONESBORO WATER DEPARTMENT IN5227010 | JONESBORO | 2,034 | — | — | Compliant |
| KOUTS WATER WORKS IN5264013 | KOUTS | 2,028 | — | — | Compliant |
| SOUTH COAST CONSERVANCY DISTRICT IN5246004 | NORTH JUDSON | 2,013 | — | — | Compliant |
| PAXTON WATER CORPORATION IN5277006 | PAXTON | 2,013 | — | — | Compliant |
| DILLSBORO WATER WORKS IN5215002 | DILLSBORO | 2,000 | — | — | Compliant |
| BLUE RIVER REGIONAL WATER DISTRICT IN5213006 | MILLTOWN | 2,000 | — | — | Compliant |
| FAYETTE TOWNSHIP WATER ASSN. IN5284002 | CLINTON | 2,000 | — | — | Compliant |
| WAKARUSA WATER WORKS IN5220029 | WAKARUSA | 1,998 | — | — | Compliant |
| MILAN WATER WORKS IN5269003 | MILAN | 1,980 | — | — | Compliant |
| BATTLE GROUND WATER DISTRICT IN5279002 | BATTLE GROUND | 1,940 | — | — | Compliant |
| CULVER EDUCATIONAL FOUNDATION IN5250004 | CULVER | 1,940 | — | — | Compliant |
| DUGGER UTILITIES IN5277002 | DUGGER | 1,935 | — | — | Compliant |
| CAMBRIDGE CITY MUNICIPAL WATER WORKS IN5289002 | CAMBRIDGE CITY | 1,900 | — | — | Compliant |
| NORTH LIBERTY WATER WORKS IN5271010 | WALKERTON | 1,896 | — | — | Compliant |
| VEVAY WATER DEPARTMENT IN5278002 | VEVAY | 1,883 | — | — | Compliant |
| CROTHERSVILLE UTILITIES IN5236001 | CROTHERSVILLE | 1,875 | — | — | Compliant |
| NEW CARLISLE WATER WORKS IN5271011 | NEW CARLISLE | 1,861 | — | — | Compliant |
| INDIANA AMERICAN WATER - YANKEETOWN IN5287008 | GREENWOOD | 1,838 | — | — | Compliant |
| SOUTH WHITLEY MUNICIPAL WATER IN5292007 | SOUTH WHITLEY | 1,818 | — | — | Compliant |
| BROOKSTON WATER DEPARTMENT IN5291002 | BROOKSTON | 1,815 | — | — | Compliant |
| ST. ANTHONY WATER UTILITY IN5219010 | ST. ANTHONY | 1,813 | — | — | Compliant |
| BRISTOL WATER DEPARTMENT IN5220003 | BRISTOL | 1,805 | — | — | Compliant |
| CHURUBUSCO WATER DEPARTMENT IN5292003 | CHURUBUSCO | 1,803 | — | — | Compliant |
| KINGSFORD HEIGHTS WATER IN5246014 | KINGSFORD HEIGHTS | 1,800 | — | — | Compliant |
| FRANKTON WATER WORKS IN5248008 | FRANKTON | 1,800 | — | — | Compliant |
| MONTPELIER WATER WORKS IN5205004 | MONTPELIER | 1,800 | — | — | Compliant |
| EVERTON WATER CORPORATION IN5221002 | CONNERSVILLE | 1,800 | — | — | Compliant |
| WESTVILLE WATER DEPARTMENT IN5246029 | WESTVILLE | 1,800 | — | — | Compliant |
| NORTH JUDSON WATER COMPANY IN5275003 | NORTH JUDSON | 1,800 | — | — | Compliant |
| WILLIAMSPORT WATER UTILITY IN5286004 | WILLIAMSPORT | 1,800 | — | — | Compliant |
| AND-TRO WATER AUTHORITY - DISTRICT 2 IN5262003 | TELL CITY | 1,798 | — | — | Compliant |
| BOURBON WATER DEPARTMENT IN5250002 | BOURBON | 1,767 | — | — | Compliant |
| KENTLAND WATER WORKS IN5256005 | KENTLAND | 1,735 | — | — | Compliant |
| MAPLETURN UTILITIES, INC. IN5255004 | MARTINSVILLE | 1,725 | — | — | Compliant |
| ROANOKE WATER WORKS IN5235009 | ROANOKE | 1,722 | — | — | Compliant |
| ODON WATER UTILITIES, INC. IN5214005 | ODON | 1,703 | — | — | Compliant |
| NINESTAR CONNECT - GEM WATER IN5230008 | GREENFIELD | 1,700 | — | — | Compliant |
| HAGERSTOWN MUNICIPAL WATER WORKS IN5289008 | HAGERSTOWN | 1,700 | — | — | Compliant |
| MONON WATER UTILITY IN5291010 | MONON | 1,700 | — | — | Compliant |
| OSGOOD WATER DEPARTMENT IN5269004 | OSGOOD | 1,692 | — | — | Compliant |
| ARGOS MUNICIPAL WATER PLANT IN5250001 | ARGOS | 1,680 | — | — | Compliant |
| CANNELTON UTILITIES IN5262002 | CANNELTON | 1,658 | — | — | Compliant |
| ROSSVILLE WATER WORKS IN5212007 | ROSSVILLE | 1,653 | — | — | Compliant |
| RILEY WATER WORKS IN5284010 | TERRE HAUTE | 1,652 | — | — | Compliant |
| UNION CITY VILLAGE PWS OH1901212 | UNION CITY | 1,650 | — | — | Compliant |
| WHITESTOWN WATER WORKS IN5206006 | ZIONSVILLE | 1,647 | — | — | Compliant |
| DALE WATER WORKS IN5274002 | DALE | 1,637 | — | — | Compliant |
| MAYSVILLE REGION. WATER & SEWER DISTRICT IN5202037 | HARLAN | 1,634 | — | — | Compliant |
| NEW HARMONY WATER UTILITY IN5265007 | NEW HARMONY | 1,633 | — | — | Compliant |
| GENTRYVILLE WATER UTILITY IN5274004 | GENTRYVILLE | 1,625 | — | — | Compliant |
| WOODBURN WATER WORKS IN5202024 | WOODBURN | 1,609 | — | — | Compliant |
| BROOKLYN WATER WORKS IN5255002 | BROOKLYN | 1,600 | — | — | Compliant |
| THORNTOWN UTILITIES IN5206005 | THORNTOWN | 1,600 | — | — | Compliant |
| EASTERN HEIGHTS UTILITIES-WORTHINGTON IN5228002 | BLOOMFIELD | 1,600 | — | — | Compliant |
| HAUBSTADT WATER DEPARTMENT IN5226003 | HAUBSTADT | 1,600 | — | — | Compliant |
| EATON WATER WORKS IN5218006 | EATON | 1,595 | — | — | Compliant |
| EAST HARRISON WATER CO, INC IN5231002 | CORYDON | 1,580 | — | — | Compliant |
| PAINTED HILLS UTILITY COMPANY IN5255012 | MARTINSVILLE | 1,560 | — | — | Compliant |
| NATURAL PUBLIC SUPPLY, INC. IN5236009 | SEYMOUR | 1,560 | — | — | Compliant |
| DALEVILLE (TOWN OF) IN5218027 | DALEVILLE | 1,560 | — | — | Compliant |
| MILFORD WATER DEPARTMENT IN5243017 | MILFORD | 1,556 | — | — | Compliant |
| KNIGHTSVILLE WATER WORKS IN5211006 | TERRE HAUTE | 1,523 | — | — | Compliant |
| ARCADIA WATER DEPARTMENT IN5229001 | ARCADIA | 1,515 | — | — | Compliant |
| LAKE SANTEE RWWD IN5216003 | GREENSBURG | 1,500 | — | — | Compliant |
| TRAFALGAR WATER DEPARTMENT IN5241014 | TRAFALGAR | 1,490 | — | — | Compliant |
| OGDEN DUNES WATER DEPARTMENT IN5245035 | PORTAGE | 1,480 | — | — | Compliant |
| SOUTH 43 WATER ASSOCIATION, INC. IN5267009 | ROACHDALE | 1,431 | — | — | Compliant |
| DAYTON WATER UTILITY IN5279021 | DAYTON | 1,420 | — | — | Compliant |
| POSEYVILLE MUNICIPAL WATER DEPARTMENT IN5265008 | POSEYVILLE | 1,400 | — | — | Compliant |
| MONROEVILLE WATER WORKS IN5202008 | MONROEVILLE | 1,400 | — | — | Compliant |
| PARKER CITY WATER DEPARTMENT IN5268007 | PARKER | 1,400 | — | — | Compliant |
| CULVER WATER DEPARTMENT IN5250005 | CULVER | 1,391 | — | — | Compliant |
| FAIRVIEW PARK WATER UTILITIES IN5283006 | CLINTON | 1,386 | — | — | Compliant |
| ST. JOSEPHS COLLEGE IN5237006 | RENSSELAER | 1,381 | — | — | Compliant |
| MADISON STATE HOSPITAL IN5239005 | INDIANAPOLIS | 1,375 | — | — | Compliant |
| GENEVA WATER DEPARTMENT IN5201003 | GENEVA | 1,359 | — | — | Compliant |
| AQUA INDIANA WATER COMPANY IN5245017 | INDIANAPOLIS | 1,350 | — | — | Compliant |
| REDKEY WATER PLANT IN5238008 | REDKEY | 1,323 | — | — | Compliant |
| OOLITIC WATER WORKS IN5247005 | BLOOMINGTON | 1,315 | — | — | Compliant |
| FARMLAND MUNICIPAL WATER WORKS IN5268002 | FARMLAND | 1,301 | — | — | Compliant |
| WESTPORT WATER COMPANY IN5216005 | WESTPORT | 1,300 | — | — | Compliant |
| SHOALS WATER COMPANY IN5251007 | LOOGOOTEE | 1,296 | — | — | Compliant |
| UTILITY CENTER, INC-LAKE IN5202015 | FORT WAYNE | 1,270 | — | — | Compliant |
| MARENGO WATER DEPARTMENT IN5213005 | MARENGO | 1,265 | — | — | Compliant |
| CONVERSE WATER WORKS IN5252006 | CONVERSE | 1,265 | — | — | Compliant |
| OTTERBEIN WATER DEPARTMENT IN5204004 | OTTERBEIN | 1,262 | — | — | Compliant |
| GALVESTON WATER WORKS IN5209003 | GALVESTON | 1,258 | — | — | Compliant |
| MULBERRY WATER WORKS IN5212005 | MULBERRY | 1,252 | — | — | Compliant |
| HANOVER COLLEGE IN5239010 | HANOVER | 1,250 | — | — | Compliant |
| HOGAN WATER CORPORATION IN5215005 | AURORA | 1,238 | — | — | Compliant |
| WARREN MUNICIPAL WATER WORKS IN5235012 | WARREN | 1,237 | — | — | Compliant |
| TROY WATER UTILITY IN5262005 | TROY | 1,223 | — | — | Compliant |
| MORRISTOWN WATER DEPARTMENT IN5273003 | MORRISTOWN | 1,218 | — | — | Compliant |
| AKRON WATER DEPARTMENT IN5225001 | AKRON | 1,206 | — | — | Compliant |
| LYNNVILLE WATER WORKS IN5287006 | LYNNVILLE | 1,200 | — | — | Compliant |
| OXFORD WATER UTILITY IN5204005 | OXFORD | 1,200 | — | — | Compliant |
| HOLLAND WATER WORKS IN5219006 | HOLLAND | 1,200 | — | — | Compliant |
| MOROCCO WATER DEPARTMENT IN5256006 | MOROCCO | 1,200 | — | — | Compliant |
| REMINGTON WATER WORKS IN5237004 | REMINGTON | 1,182 | — | — | Compliant |
| LADOGA WATER WORKS IN5254006 | LADOGA | 1,180 | — | — | Compliant |
| INDIANA AMERICAN WATER - RUSSIAVILLE IN5234008 | GREENWOOD | 1,178 | — | — | Compliant |
| TOPEKA WATER DEPARTMENT IN5244008 | TOPEKA | 1,178 | — | — | Compliant |
| FREELANDVILLE WATER ASSOCIATION IN5242006 | FREELANDVILLE | 1,175 | — | — | Compliant |
| GRABILL WATER WORKS IN5202006 | GRABILL | 1,163 | — | — | Compliant |
| CAYUGA WATER DEPARTMENT IN5283002 | CAYUGA | 1,162 | — | — | Compliant |
| CLAY CITY WATER WORKS IN5211004 | CLAY CITY | 1,152 | — | — | Compliant |
| ANDREWS WATER DEPARTMENT IN5235001 | ANDREWS | 1,149 | — | — | Compliant |
| GREENWOOD ESTATES IN5241011 | GREENWOOD | 1,148 | — | — | Compliant |
| MORGANTOWN WATER UTILITY IN5255011 | NASHVILLE | 1,125 | — | — | Compliant |
| OAK PARK CONSERVANCY DISTRICT IN5210007 | JEFFERSONVILLE | 1,120 | — | — | Compliant |
| OGDEN DUNES WATER IN5264040 | OGDEN DUNES | 1,110 | — | — | Compliant |
| NEW DURHAM ESTATES IN5246032 | WESTVILLE | 1,099 | — | — | Compliant |
| LYNN WATER COMPANY IN5268004 | LYNN | 1,097 | — | — | Compliant |
| ST. PAUL MUNICIPAL WATER IN5216004 | ARLINGTON | 1,096 | — | — | Compliant |
| MARKLE WATER UTILITY IN5235006 | MARKLE | 1,095 | — | — | Compliant |
| SANTA LA HILL, INC. IN5274011 | LAMAR | 1,094 | — | — | Compliant |
| INDIANA AMERICAN - MARION HEIGHTS IN5284007 | GREENWOOD | 1,094 | — | — | Compliant |
| CARBON WATER CORPORATION IN5211002 | CARBON | 1,088 | — | — | Compliant |
| JACKSON COUNTY WATER - REDDINGTON IN5236008 | BROWNSTOWN | 1,080 | — | — | Compliant |
| INDIANA AMERICAN WATER - SUMMITVILLE IN5248010 | GREENWOOD | 1,078 | — | — | Compliant |
| SUNMAN WATER WORKS IN5269005 | SUNMAN | 1,058 | — | — | Compliant |
| WANATAH WATER UTILITY IN5246033 | WANATAH | 1,050 | — | — | Compliant |
| WALTON WATER WORKS IN5209010 | WALTON | 1,040 | — | — | Compliant |
| PATOKA WATER COMPANY, INC. IN5213007 | BIRDSEYE | 1,038 | — | — | Compliant |
| WOLCOTTVILLE WATER WORKS IN5244010 | HAMILTON | 1,035 | — | — | Compliant |
| SILVER LAKE WATER WORKS IN5243021 | SILVER LAKE | 1,030 | — | — | Compliant |
| MONTEZUMA MUNICIPAL UTILITY IN5261005 | MONTEZUMA | 1,022 | — | — | Compliant |
| WINSLOW WATER WORKS IN5263006 | WINSLOW | 1,010 | — | — | Compliant |
| LANESVILLE WATER WORKS IN5231003 | LANESVILLE | 1,009 | — | — | Compliant |
| MENTONE WATER COMPANY IN5243013 | MENTONE | 1,001 | — | — | Compliant |
| WOLCOTT WATER WORKS IN5291015 | WOLCOTT | 1,001 | — | — | Compliant |
| SUBURBAN UTILITIES-EL PACO IN5220024 | SOUTH BEND | 1,000 | — | — | Compliant |
| CARTHAGE WATER DEPARTMENT IN5270001 | NEW CASTLE | 1,000 | — | — | Compliant |
| JAMESTOWN MUNICIPAL WATER IN5206008 | JAMESTOWN | 1,000 | — | — | Compliant |
| LYFORD WATER WORKS IN5261002 | ROSEDALE | 1,000 | — | — | Compliant |
| GOODLAND WATER WORKS IN5256003 | GOODLAND | 990 | — | — | Compliant |
| BROOK WATER UTILITY IN5256002 | BROOK | 986 | — | — | Compliant |
| HYMERA WATER WORKS IN5277004 | HYMERA | 984 | — | — | Compliant |
| ASHLEY WATER DEPARTMENT IN5276002 | ASHLEY | 983 | — | — | Compliant |
| ROACHDALE WATER WORKS IN5267007 | ROACHDALE | 980 | — | — | Compliant |
| SWAYZEE WATER UTILITY IN5227020 | SWAYZEE | 975 | — | — | Compliant |
| BIRDSEYE WATER SYSTEM IN5219001 | BIRDSEYE | 972 | — | — | Compliant |
| LIBERTY WATER IN5232030 | PLAINFIELD | 972 | — | — | Compliant |
| SPICELAND MUNICIPAL WATER UTILITY IN5233016 | SPICELAND | 969 | — | — | Compliant |
| FRANCESVILLE WATER DEPARTMENT IN5266001 | FRANCESVILLE | 969 | — | — | Compliant |
| SHIRLEY MUNICIPAL WATER IN5233013 | SHIRLEY | 960 | — | — | Compliant |
| MILLERSBURG WATER COMPANY IN5220015 | MILLERSBURG | 957 | — | — | Compliant |
| WAYNETOWN WATER WORKS IN5254013 | WAYNETOWN | 953 | — | — | Compliant |
| CEDAR LAKE - ROBINS NEST IN5245067 | CEDAR LAKE | 950 | — | — | Compliant |
| PIERCETON WATER WORKS IN5243018 | PIERCETON | 928 | — | — | Compliant |
| PLEASANTVILLE WATER COMPANY IN5277007 | DUGGER | 924 | — | — | Compliant |
| LAFONTAINE WATER COMPANY IN5285004 | LAFONTAINE | 906 | — | — | Compliant |
| INDIANA AMERICAN WATER - MECCA IN5261004 | GREENWOOD | 905 | — | — | Compliant |
| SISTERS OF PROVIDENCE/ST. MARY OF WOODS IN5284020 | ST. MARY OF THE WOODS | 900 | — | — | Compliant |
| MONTGOMERY WATER WORKS IN5214004 | MONTGOMERY | 900 | — | — | Compliant |
| BURNT PINES WATER ASSOCIATION IN5240001 | NORTH VERNON | 900 | — | — | Compliant |
| FRANCISCO WATER DEPARTMENT IN5226002 | FRANCISCO | 900 | — | — | Compliant |
| BUNKER HILL WATER WORKS IN5252003 | BUNKER HILL | 900 | — | — | Compliant |
| CAMPBELLSBURG WATER WORKS IN5288001 | CAMPBELLSBURG | 900 | — | — | Compliant |
| ANDERSON TOWNSHIP REGIONAL SEWER DIST. IN5270003 | MILROY | 900 | — | — | Compliant |
| SWITZ CITY WATER WORKS IN5228009 | BLOOMINGTON | 888 | — | — | Compliant |
| ENGLISH WATER WORKS IN5213002 | ENGLISH | 886 | — | — | Compliant |
| OLDENBURG WATER WORKS IN5224006 | OLDENBURG | 880 | — | — | Compliant |
| MEDORA WATER DEPARTMENT IN5236004 | MEDORA | 873 | — | — | Compliant |
| MONROE WATER DEPARTMENT IN5201004 | MONROE | 872 | — | — | Compliant |
| RHS WATER CORPORATION IN5253015 | BLOOMINGTON | 870 | — | — | Compliant |
| LYONS WATER UTILITY IN5228006 | LYONS | 870 | — | — | Compliant |
| VAN BUREN MUNICIPAL UTILITIES IN5227023 | VAN BUREN | 864 | — | — | Compliant |
| ROYAL CENTER WATER UTILITY IN5209008 | ROYAL CENTER | 861 | — | — | Compliant |
| DARLINGTON WATER IN5254003 | INDIANAPOLIS | 860 | — | — | Compliant |
| GOSPORT WATER UTILITY IN5260003 | BLOOMINGTON | 849 | — | — | Compliant |
| GASTON WATER WORKS IN5218008 | GASTON | 838 | — | — | Compliant |
| OAKTOWN WATER WORKS IN5242009 | FARMERSBURG | 832 | — | — | Compliant |
| BAINBRIDGE WATER WORKS IN5267001 | BAINBRIDGE | 830 | — | — | Compliant |
| VAN BIBBER LAKE CONSERVANCY DISTRICT IN5267010 | GREENCASTLE | 830 | — | — | Compliant |
| RIDGEVILLE WATER DEPARTMENT IN5268008 | RIDGEVILLE | 825 | — | — | Compliant |
| DUFF WATER CORPORATION IN5219003 | HUNTINGBURG | 825 | — | — | Compliant |
| CHRISNEY WATER DEPARTMENT IN5274001 | CHRISNEY | 823 | — | — | Compliant |
| MONROE CITY WATER UTILITIES IN5242008 | MONROE CITY | 813 | — | — | Compliant |
| ROSEDALE WATER WORKS IN5261007 | ROSEDALE | 810 | — | — | Compliant |
| SOUTHERN BROWN COUNTY WT IN5207003 | NASHVILLE | 810 | — | — | Compliant |
| LAKE OF THE LANTERNS MOBILE HOME PARK IN5232015 | INDIANAPOLIS | 808 | — | — | Compliant |
| HAMLET WATER WORKS IN5275001 | HAMLET | 801 | — | — | Compliant |
| IN SOLDIERS&SAILORS CHIL IN5230009 | KNIGHTSTOWN | 800 | — | — | Compliant |
| WALDRON CONSERVANCY DISTRICT IN5273006 | WALDRON | 800 | — | — | Compliant |
| EAST FORK WATER COMPANY- IN5251008 | SHOALS | 800 | — | — | Compliant |
| DUBLIN MUNICIPAL WATER WORKS IN5289005 | MILTON | 790 | — | — | Compliant |
| KIRKLIN WATER DEPARTMENT IN5212004 | KIRKLIN | 788 | — | — | Compliant |
| NEW MARKET WATER WORKS IN5254008 | NEW MARKET | 765 | — | — | Compliant |
| GRANDVIEW MUNICIPAL WATER UTILITY IN5274005 | GRANDVIEW | 765 | — | — | Compliant |
| UNDERWOOD WATER CO-INACT IN5210014 | UNDERWOOD | 760 | — | — | Compliant |
| LINDEN WATER DEPARTMENT IN5254007 | LINDEN | 759 | — | — | Compliant |
| MOORESVILLE ACRES IN5255017 | INDIANAPOLIS | 752 | — | — | Compliant |
| ST. BERNICE WATER CORP. IN5283010 | ST. BERNICE | 750 | — | — | Compliant |
| LAKEVILLE WATER DEPARTMENT IN5271008 | LAKEVILLE | 750 | — | — | Compliant |
| BOSWELL WATER DEPARTMENT IN5204002 | BOSWELL | 750 | — | — | Compliant |
| PATOKA WATER & ELECTRIC IN5226007 | PATOKA | 750 | — | — | Compliant |
| HILLSDALE WATER CORPORATION IN5283007 | HILLSDALE | 735 | — | — | Compliant |
| ATLANTA WATER DEPARTMENT IN5229002 | ATLANTA | 735 | — | — | Compliant |
| FOUNTAIN CITY WATER WORKS IN5289006 | MILTON | 735 | — | — | Compliant |
| PERRY WATER SYSTEM, INC. IN5251006 | LOOGOOTEE | 731 | — | — | Compliant |