Public Water Systems
3,967 active public water systems in IN, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| East Monroe Water Corporation | Bloomington, IN | 3,648 | 43 | Clean |
| Indiana American Water - Georgetown | Greenwood, IN | 3,605 | 29 | Clean |
| Knox County Water, Inc. | Vincennes, IN | 3,525 | 10 | - |
| Union City Water Works | Union City, IN | 3,513 | 15 | Clean |
| Posey Township Water Corp. | Hardinsburg, IN | 3,500 | 80 | Clean |
| East Fork Water | Shoals, IN | 3,485 | 23 | Clean |
| Decatur Co. Water Corp. | Greensburg, IN | 3,440 | 44 | - |
| Cordry Sweetwater Conservancy District | Nineveh, IN | 3,425 | 90 | Clean |
| Middlebury Water Department | Middlebury, IN | 3,420 | 17 | Clean |
| Nashville Water Department | Nashville, IN | 3,315 | 58 | Clean |
| Upland Water Department | Upland, IN | 3,308 | 34 | Clean |
| St. Henry Water Corporation | Ferdinand, IN | 3,293 | 12 | - |
| Ossian Municipal Water Department | Ossian, IN | 3,289 | 170 | - |
| Cataract Lake Water Corporation | Cloverdale, IN | 3,215 | 21 | - |
| Delphi Water Works | Delphi, IN | 3,200 | 205 | - |
| Springs Valley Regional Water District | French Lick, IN | 3,188 | 70 | Clean |
| New Castle Correctional Facility | Indianapolis, IN | 3,160 | 55 | - |
| Attica Water Utility | Attica, IN | 3,147 | 189 | - |
| Carlisle Water Department | Carlisle, IN | 3,125 | 53 | - |
| Tri-County Conservancy District | Camby, IN | 3,078 | 14 | - |
| Western School Corporation | Russiaville, IN | 3,010 | 106 | - |
| Turkey Run State Park | Marshall, IN | 3,010 | 309 | - |
| Jennings Northwest Regional Utility | North Vernon, IN | 2,955 | 7 | - |
| Oakland City Water Department | Oakland City, IN | 2,938 | 326 | - |
| Ferdinand Water Department | Ferdinand, IN | 2,918 | 83 | - |
| Ellis Water Company, Inc. | Linton, IN | 2,892 | 10 | - |
| Westville Correctional Facility | Westville, IN | 2,850 | 83 | - |
| Brown County State Park | Nashville, IN | 2,836 | 484 | - |
| And-Tro Water Authority - District 1 | Tell City, IN | 2,833 | 7 | - |
| Syracuse Water Company | Syracuse, IN | 2,810 | 114 | - |
| Brookville Water Works | Brookville, IN | 2,800 | 24 | - |
| Chesterfield Water Department | Chesterfield, IN | 2,800 | 22 | - |
| Loogootee Water Works | Loogootee, IN | 2,800 | 202 | Clean |
| Reelsville Water Company | Reelsville, IN | 2,800 | 12 | - |
| Sullivan-Vigo Rural Water Corp. | Pimento, IN | 2,765 | 39 | - |
| Fairmount Water Works | Fairmount, IN | 2,756 | 12 | - |
| Butler Water Department | Waterloo, IN | 2,700 | 96 | - |
| Avilla Water Department | Avilla, IN | 2,700 | 11 | - |
| Crawford County Water Company, Inc. | Marengo, IN | 2,678 | 34 | - |
| Hamilton Water Department | Hamilton, IN | 2,675 | 15 | - |
| Finch Newton Water, Inc. | Chrisney, IN | 2,672 | 87 | Clean |
| Covington Water Department | Covington, IN | 2,645 | 9 | - |
| Lagrange Department of Water Works | Lagrange, IN | 2,625 | 141 | - |
| Hanover Water Department | Hanover, IN | 2,597 | 25 | Detected |
| Nappanee Missionary Church | Nappanee, IN | 2,545 | 71 | - |
| Centerville Water Works | Milton, IN | 2,533 | 30 | - |
| Rockport Water | Rockport, IN | 2,520 | 471 | - |
| Putnamville Correctional Facility | Greencastle, IN | 2,505 | 59 | - |
| Indiana Beach, Inc. | Monticello, IN | 2,500 | 103 | - |
| Greentown Municipal Water | Greentown, IN | 2,500 | 68 | - |