Public Water Systems
1,795 active public water systems in IA, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Sumner Water Supply | Sumner, IA | 2,030 | 156 | - |
| Epworth Water Supply | Epworth, IA | 2,023 | 44 | - |
| Parkersburg Water Supply | Parkersburg, IA | 2,019 | 8 | - |
| Monroe Water Supply | Monroe, IA | 2,007 | 28 | - |
| Sigourney Muni Water Works | Sigourney, IA | 2,004 | 20 | - |
| Poweshiek Water Association (Cr) | Tama, IA | 2,000 | 1 | - |
| Denver Water Supply | Denver, IA | 1,919 | 29 | - |
| New London Munic Water Dept | New London, IA | 1,910 | 40 | - |
| Dallas Center Water Supply | Dallas Center, IA | 1,901 | 7 | - |
| Flying J No 572 | McClure, IA | 1,892 | 87 | - |
| Pocahontas Water Department | Pocahontas, IA | 1,877 | 46 | - |
| Durant Water Supply | Durant, IA | 1,871 | 14 | - |
| Leon Water Supply | Leon, IA | 1,830 | 122 | - |
| Columbus Junction Water Supply | Columbus Junction, IA | 1,830 | 45 | - |
| Guttenberg Water Utility | Guttenberg, IA | 1,817 | 37 | - |
| Stuart Water Supply | Stuart, IA | 1,814 | 56 | - |
| Park View Village | Ankeny, IA | 1,800 | 24 | - |
| Truckomat Corporation | Walcott, IA | 1,794 | 37 | - |
| Farley Water Supply | Farley, IA | 1,766 | 73 | - |
| Lyon-Sioux RWS-Doon | Rock Rapids, IA | 1,765 | 26 | - |
| Ponderosa Utilities Inc. | Montezuma, IA | 1,750 | 32 | - |
| Corning Muni Water Department | Corning, IA | 1,735 | 893 | - |
| Lake City Water Supply | Lake City, IA | 1,731 | 157 | - |
| West Central Rwa-Boyer System | Manning, IA | 1,715 | 63 | Clean |
| Sirwa #1 (Greenfield) | Creston, IA | 1,712 | 80 | - |
| Manson Water Supply | Manson, IA | 1,709 | 213 | - |
| Prairie City Water Works | Prairie City, IA | 1,703 | 48 | - |
| Avoca Water Works | Avoca, IA | 1,697 | 15 | - |
| Mediapolis Water Supply | Mediapolis, IA | 1,688 | 49 | - |
| Moville Water Supply | Moville, IA | 1,687 | 76 | - |
| Mount Ayr Water Treatment Plant | Mount Ayr, IA | 1,683 | 611 | - |
| Remsen Municipal Utilities | Remsen, IA | 1,678 | 40 | - |
| Pleasantville Water Works | Pleasantville, IA | 1,676 | 15 | - |
| Reinbeck Water Supply | Gladbrook, IA | 1,662 | 42 | - |
| Granger Muni Water Supply | Granger, IA | 1,654 | 40 | - |
| Xenia RWD (Madrid) | Bouton, IA | 1,635 | 12 | - |
| Woodbine Water Department | Woodbine, IA | 1,622 | 29 | - |
| Corydon Water Supply | Corydon, IA | 1,610 | 1,441 | - |
| Hartley Municipal Water Department | Hartley, IA | 1,605 | 0 | - |
| Ackley Municipal Water Works | Marshalltown, IA | 1,599 | 31 | - |
| Guthrie Center Muni Water Work | Guthrie Center, IA | 1,593 | 16 | - |
| Traer Municipal Water Plant | Traer, IA | 1,583 | 43 | - |
| Akron, City Of | Akron, IA | 1,558 | 96 | - |
| Urban Bluffs - North | Avoca, IA | 1,558 | 17 | Detected |
| Urbana Water Supply | Urbana, IA | 1,554 | 4 | - |
| Nashua Water Supply | Nashua, IA | 1,551 | 146 | - |
| Walcott Waterworks | Walcott, IA | 1,551 | 30 | - |
| Slater Muni Water Dept | Slater, IA | 1,548 | 40 | - |
| Montezuma Muni Water Supply | Montezuma, IA | 1,545 | 18 | - |
| Lyon-Sioux RWS-Big Sioux | Rock Rapids, IA | 1,530 | 71 | Clean |