Public Water Systems
5,117 active public water systems in IL, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Woodland Acres MHP | Erlanger, IL | 464 | 8 | - |
| Lostant | Lostant, IL | 463 | 318 | - |
| Cutler | Cutler, IL | 463 | 143 | - |
| Meadowbrook Mh Community, LLC | Farmington Hills, IL | 463 | 55 | - |
| German Valley | German Valley, IL | 463 | 52 | - |
| Paradise MHP | Phoenix, IL | 460 | 136 | - |
| Plumfield Water District | West Frankfort, IL | 460 | 6 | - |
| Plymouth | Plymouth, IL | 460 | 16 | - |
| Allendale | Allendale, IL | 458 | 228 | - |
| IL American-Saunemin | Godfrey, IL | 456 | 19 | - |
| Dalton City | Dalton City, IL | 454 | 43 | - |
| Hoffman | Patoka, IL | 452 | 7 | - |
| Waynesville | Waynesville, IL | 452 | 106 | - |
| Hill City Water District | Benton, IL | 452 | 28 | - |
| New Salem Pwd | Adair, IL | 451 | 97 | - |
| Oak Lawn MHP | Poplar Grove, IL | 450 | 25 | - |
| Langleyville Pwd | Langleyville, IL | 450 | 27 | - |
| Hume | Georgetown, IL | 450 | 252 | - |
| Beaverville | Beaverville, IL | 450 | 56 | - |
| Hull | Hull, IL | 450 | 124 | - |
| Cedar Brook Estates Subdivision | East Moline, IL | 450 | 19 | - |
| Twin Orchard Country Club | Long Grove, IL | 450 | 102 | - |
| Emmons Grade School | Antioch, IL | 450 | 723 | - |
| Chain of Lakes Comm Bible Chur | Waukegan, IL | 450 | 2 | - |
| Farmington Bath & Tennis Club | Waukegan, IL | 450 | 6 | - |
| Fremont Intermediate School 3-5 | Waukegan, IL | 450 | 305 | - |
| High Cliff Estates | Denver, IL | 448 | 8 | - |
| Ipava | Ipava, IL | 447 | 112 | - |
| Rolling Meadows Mhc | Clearwater, IL | 447 | 51 | - |
| DE Land | Westville, IL | 446 | 268 | - |
| IL American-Moreland | Godfrey, IL | 445 | 7 | - |
| Joppa | Joppa, IL | 445 | 33 | - |
| Alexander Water District | Alexander, IL | 442 | 34 | Detected |
| Zen Leaf | Prospect Heights, IL | 442 | 0 | - |
| Fayetteville | Swansea, IL | 441 | 171 | - |
| La Grange Estates MHP | Lagrange, IL | 440 | 10 | - |
| Edgewood | Edgewood, IL | 440 | 30 | - |
| Marietta | Marietta, IL | 440 | 2 | - |
| Milburn Church | Waukegan, IL | 440 | 91 | - |
| Sabic Innovative Plastics | Ottawa, IL | 440 | 18 | - |
| Wildwood Baptist Church | East Moline, IL | 440 | 4 | - |
| Mount Vernon Association Inc | East Dubuque, IL | 438 | 17 | - |
| Little Swan Lake SD | Monmouth, IL | 438 | 56 | - |
| Bonnie | Bonnie, IL | 437 | 22 | - |
| Scales Mound | Scales Mound, IL | 436 | 35 | - |
| Beason Chestnut Pwd | Chestnut, IL | 435 | 65 | - |
| Olmsted | Olmsted, IL | 435 | 78 | - |
| Dover Straits | Waukegan, IL | 435 | 0 | - |
| Middletown | Middleton, IL | 434 | 26 | - |
| White City | Mt. Olive, IL | 433 | 198 | - |