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 |
|---|---|---|---|---|
| Epic Event Center | Marion, IA | 404 | 101 | - |
| Camp Ingawanis-Maple and Ranger Well | Waterloo, IA | 402 | 147 | - |
| Charlotte Water Works | Maquoketa, IA | 401 | 106 | - |
| West Branch MHP | Oxford, IA | 400 | 12 | - |
| Thornton Water Supply | Belmond, IA | 400 | 43 | - |
| Dubuque Sports Complex | Dubuque, IA | 400 | 194 | - |
| Gateway Development | Tipton, IA | 400 | 99 | - |
| Triple Play LLC | Cedar Rapids, IA | 400 | 214 | - |
| Cody Elementary School | Leclaire, IA | 400 | 46 | - |
| Ainsworth 4 Corners Restaurant | Muscatine, IA | 400 | 118 | - |
| Union Water Supply | Newton, IA | 399 | 66 | - |
| Earling Water Supply | Earling, IA | 397 | 17 | - |
| Salem Water Supply | Salem, IA | 396 | 93 | - |
| G G Brothers | West Liberty, IA | 395 | 470 | - |
| Lehigh Water Supply | Fort Dodge, IA | 395 | 129 | - |
| Plainfield Water Supply | Plainfield, IA | 393 | 20 | - |
| Southwest Polk Water Service, Inc. | Ankeny, IA | 393 | 30 | - |
| Stover Heights Mhc | Madrid, IA | 393 | 0 | - |
| Columbus City Public Water Supply | Olds, IA | 392 | 49 | - |
| River Heights Property Owners Assoc. | Oxford, IA | 390 | 74 | - |
| Wesley Water Supply | Wesley, IA | 390 | 22 | - |
| Bonaparte Water Supply | Washinginton, IA | 390 | 23 | - |
| Cedar Falls Mobile Home Village | Waterloo, IA | 388 | 28 | - |
| Casey Water Supply | Casey, IA | 387 | 18 | - |
| Colesburg Water Supply | Colesburg, IA | 386 | 40 | - |
| New Market Water Supply | New Market, IA | 385 | 208 | - |
| Spillville Water Supply | Spillville, IA | 385 | 6 | - |
| Duncombe Water Supply | Duncombe, IA | 384 | 14 | - |
| Vail Water Supply | Vail, IA | 383 | 74 | - |
| Livermore Water Supply | Livermore, IA | 383 | 27 | - |
| New Vienna Water Supply | New Vienna, IA | 382 | 33 | - |
| Worthington Water Supply | Worthington, IA | 382 | 14 | - |
| Marshalltown Estates | Marshalltown, IA | 382 | 194 | - |
| Lohrville Water Supply | Newell, IA | 381 | 37 | - |
| Andrew Water Supply | Marshalltown, IA | 380 | 31 | - |
| Lynnville Water Dept | Lynnville, IA | 380 | 28 | - |
| Milton Water Supply | Milton, IA | 380 | 12 | - |
| Farnhamville Water Supply | Gilmore City, IA | 379 | 6 | - |
| Plymouth Water Supply | Plymouth, IA | 378 | 119 | - |
| Churdan Water Supply | Churdan, IA | 375 | 875 | - |
| Mark Twain Meadows Homeowners | Muscatine, IA | 375 | 73 | - |
| Hickory Hollow Water Service, Inc. | Ankeny, IA | 375 | 81 | - |
| Fox Ridge Farm | Iowa City, IA | 374 | 8 | - |
| Callender Water Supply | Fort Dodge, IA | 371 | 95 | - |
| Orient Municipal Water Supply | Orient, IA | 368 | 87 | - |
| Birmingham Water Supply | Birmingham, IA | 367 | 47 | - |
| Ringsted Water Supply | Ringsted, IA | 365 | 12 | - |
| Massena Water Supply | Massena, IA | 364 | 142 | - |
| Stanhope Water Department | Stanhope, IA | 364 | 42 | - |
| Swiss Valley Nature Center | Peosta, IA | 363 | 55 | - |