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 |
|---|---|---|---|---|
| Gilmore City Waterworks | Gilmore City, IA | 487 | 357 | - |
| Garwin Water Supply | Garwin, IA | 481 | 11 | - |
| Latimer Water Supply | Hampton, IA | 477 | 14 | - |
| Russell Water Supply | Russell, IA | 477 | 39 | - |
| Maynard Water Supply | Maynard, IA | 476 | 55 | - |
| Lime Springs Water Supply | Riceville, IA | 473 | 33 | - |
| Lovilia Municipal Water Department | Lovilia, IA | 472 | 1 | - |
| Cedar Ridge Vineyards | Swisher, IA | 470 | 87 | - |
| Jefferson County Rural Water District | Fairfield, IA | 468 | 40 | - |
| Dow City Water Works | Dow City, IA | 467 | 79 | - |
| Norway City Water Supply | Norway, IA | 466 | 76 | - |
| Stacyville Water Supply | Stacyville, IA | 465 | 42 | - |
| Montauk Historical Site | Clermont, IA | 462 | 90 | - |
| Humeston Water Plant | Humeston, IA | 462 | 55 | - |
| Table Mound Park | Cascasde, IA | 455 | 62 | - |
| Ewing Trace Mhc | Newton, IA | 455 | 8 | - |
| Springbrook State Park-Main System | Guthrie Center, IA | 450 | 59 | - |
| Oakdale Hospital Water System | Iowa City, IA | 450 | 8 | - |
| Albion Water Department | Newton, IA | 448 | 114 | - |
| Klemme Water Works | Klemme, IA | 441 | 71 | - |
| Little Rock Water Supply | Little Rock, IA | 441 | 6 | - |
| Ocheyedan Water Works | Ocheyedan, IA | 439 | 23 | - |
| Hawkeye Water Supply | Hawkeye, IA | 438 | 36 | - |
| Grandview Muni Water Dept | Grandview, IA | 437 | 66 | - |
| Scott Co Pk-Pool | Davenport, IA | 437 | 39 | - |
| Ashton Municipal Water Department | Ashton, IA | 436 | 23 | - |
| Galva Water Supply | Galva, IA | 435 | 137 | - |
| Lost Nation Water Supply | Lost Nation, IA | 434 | 118 | - |
| New Albin Water Supply | New Albin, IA | 432 | 37 | - |
| Otho Water Supply | Fort Dodge, IA | 431 | 44 | - |
| Batavia Water Works | Batavia, IA | 430 | 56 | - |
| Allerton Water Works | Allerton, IA | 430 | 4 | - |
| Lamont Water Supply | Lamont, IA | 429 | 7 | - |
| Marquette Water Supply | Marquette, IA | 429 | 57 | - |
| Bussey Water Supply | Oskaloosa, IA | 427 | 104 | - |
| Palace Park Mhc | Madrid, IA | 426 | 3 | - |
| 200 East 90th St, LLC | Long Grove, IA | 425 | 37 | - |
| Oxford Junction Water Supply | Oxford Junction, IA | 424 | 145 | - |
| Martensdale Water Supply | Martensdale, IA | 421 | 23 | - |
| Delhi Water Supply | Delhi, IA | 420 | 328 | - |
| Arlington Water Supply | Arlington, IA | 419 | 12 | - |
| Burt Water Supply | Burt, IA | 418 | 7 | - |
| Clover Ridge Subdivision | Walford, IA | 413 | 63 | - |
| Emerson Water Department | Emerson, IA | 412 | 111 | - |
| Shueyville United Methodist Church | Oxford, IA | 410 | 106 | - |
| Wahpeton Water Supply | Milford, IA | 408 | 333 | - |
| Miles Water Department | Miles, IA | 408 | 243 | - |
| Lawler Water Supply | Lawler, IA | 406 | 63 | - |
| Bayard Water Supply | Adair, IA | 405 | 114 | - |
| Highland High School | Muscatine, IA | 405 | 96 | - |