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 |
|---|---|---|---|---|
| Lacona Water Supply | Lacona, IA | 361 | 30 | - |
| Sunnybrook Mobile Home Park | Newton, IA | 360 | 4 | - |
| Rudd Waterworks | Rudd, IA | 358 | 84 | - |
| Lewis Water Supply | Lewis, IA | 357 | 47 | - |
| Calamus Water Supply | Calamus, IA | 356 | 40 | - |
| Holy Cross Water Supply | Holy Cross, IA | 356 | 66 | - |
| McCallsburg Water Supply | Colo, IA | 353 | 74 | - |
| Templeton Water Supply | Templeton, IA | 352 | 10 | - |
| Bell Harbor | Clear Lake, IA | 352 | 99 | - |
| Guthrie Grove Retreat Center | Guthrie Center, IA | 352 | 23 | - |
| Ryan Water Supply | Ryan, IA | 350 | 133 | - |
| Pleasant Valley Manufactured Home Comm | Pleasant Hill, IA | 350 | 55 | - |
| Bennett Waterworks | Lowden, IA | 347 | 5 | - |
| Fort Atkinson Water Works | Fort Atkinson, IA | 347 | 44 | - |
| Elliott Water Supply | Elliott, IA | 345 | 173 | - |
| Garrison Water Supply | Traer, IA | 344 | 0 | - |
| Brandon Water Supply | Brandon, IA | 341 | 80 | - |
| Sunrise Village Mobile Home Pk | Grinnell, IA | 340 | 75 | - |
| Coralville Lake Terrace | Tipton, IA | 340 | 362 | - |
| Mondamin Water Supply | Marshalltown, IA | 339 | 131 | - |
| Ute Water Supply | Ute, IA | 338 | 78 | - |
| Diagonal Water Department | Diagonal, IA | 338 | 75 | - |
| Pierson Water Supply | Pierson, IA | 337 | 62 | - |
| Middletown Water Supply | Middletown, IA | 336 | 82 | - |
| Iowa American Water Donahue | Davenport, IA | 335 | 56 | - |
| Terril Municipal Waterworks | Terril, IA | 334 | 43 | - |
| Sunrise Terrace Mhc | Newton, IA | 330 | 14 | - |
| Effigy Mounds National Monument | Harpers Ferry, IA | 328 | 43 | - |
| Minburn Waterworks | Bouton, IA | 325 | 45 | - |
| Greenwood Acres Water Co. | Ankeny, IA | 325 | 18 | - |
| Mystic Water Supply | Mystic, IA | 322 | 31 | - |
| Peterson Municipal Water Supply | Peterson, IA | 322 | 9 | - |
| Ponderosa Park MHP | Davenport, IA | 320 | 2 | - |
| Riverside Lutheran Bible Camp | Story City, IA | 320 | 76 | - |
| Danbury Water Supply | Danbury, IA | 320 | 117 | - |
| Cedar Ridge Golf Course | Nora Springs, IA | 316 | 218 | - |
| Mingo Water Department | Des Moines, IA | 316 | 81 | - |
| Williams Water Supply | Williams, IA | 315 | 32 | - |
| Wheel Estates Mhc | Knoxville, IA | 315 | 0 | - |
| Lofted View Events | Sioux City, IA | 314 | 15 | - |
| Floyd Muni Water Supply | Floyd, IA | 313 | 104 | - |
| Grinnell MHP Mhc | Grinnell, IA | 313 | 10 | - |
| Irwin Municipal Supply | Irwin, IA | 313 | 52 | - |
| Burds Green Acres Subdivision | Peosta, IA | 312 | 45 | - |
| Sageville Elementary School | Dubuque, IA | 310 | 66 | - |
| Granville Water Supply | Granville, IA | 310 | 21 | - |
| West Okoboji | Milford, IA | 308 | 30 | - |
| Palisades Kepler - Park Office | Mount Vernon, IA | 308 | 94 | - |
| Sheldahl Water Supply | Sheldahl, IA | 307 | 158 | - |
| Deerwood Golf Inc | New London, IA | 306 | 173 | - |