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 |
|---|---|---|---|---|
| Faith Christian Center | Washington, IL | 400 | 2 | - |
| Algonquin Mobile | Geneva, IL | 400 | 14 | - |
| St Mary's Slovenian Catholic Center | Lemont, IL | 400 | 3 | - |
| Freedom Oil Company (136945) | Bloomington, IL | 400 | 17 | - |
| Phillips 66 Wadsworth | Wadsworth, IL | 400 | 1 | - |
| St Marys of Lourdes Church | Metamora, IL | 400 | 0 | - |
| Timber Pointe - the Lodge | Hudson, IL | 400 | 33 | - |
| Harvest Baptist Church Well 2 | Oswego, IL | 400 | 9 | - |
| Blackberry Hill Congregation of Jw | Yorkville, IL | 400 | 26 | - |
| Insight Hospital and Medical Center Chic | Addison, IL | 400 | 12 | - |
| Christ Orchard | Elmwood, IL | 400 | 0 | - |
| Loda | Westville, IL | 398 | 19 | - |
| Perry | Perry, IL | 397 | 19 | - |
| Mount Morris Estates MHP | Lima, IL | 395 | 185 | - |
| Seymour Water District | Seymour, IL | 392 | 25 | - |
| Edgington Water District | Taylor Ridge, IL | 391 | 30 | - |
| Blm Gw MHP, LLC | Addison, IL | 390 | 50 | - |
| Indian Creek Office Well | West Chicago, IL | 390 | 10 | - |
| Oak Lane Mhc | Denver, IL | 388 | 2 | - |
| Prairie Path Water Co-Coventry Creek | McHenry, IL | 388 | 250 | - |
| Gladstone | Gladstone, IL | 387 | 83 | - |
| Forge at the Lake | Metamore, IL | 387 | 397 | - |
| Sigel | Altamont, IL | 386 | 23 | - |
| S L M Water Commission | Mascoutah, IL | 385 | 33 | - |
| Royal Melbourne Homeowners Asn | Schaumburg, IL | 382 | 90 | - |
| Linway Estates MHP | Blue Island, IL | 380 | 15 | - |
| Buysse Subdivision | Coal Valley, IL | 380 | 35 | - |
| Latham | Latham, IL | 380 | 76 | - |
| Monroe Center School - Old Well | Monroe Center, IL | 380 | 1,144 | - |
| Monroe Center School - New Well | Monroe Center, IL | 380 | 388 | - |
| Joy | Joy, IL | 377 | 67 | - |
| Fountain Valley MHP | Rantoul, IL | 375 | 378 | - |
| Longacre Estates MHP | Farmington Hills, IL | 375 | 78 | - |
| Smithfield | Smithfield, IL | 375 | 111 | - |
| Sunny Hill Estates Subdivision | Orion, IL | 375 | 26 | - |
| Martinton | Martinton, IL | 375 | 210 | - |
| IL Youth Center St Charles | St. Charles, IL | 375 | 60 | - |
| Henderson | Henderson, IL | 375 | 103 | - |
| Whispering Lakes Water System, Inc. | Northbrook, IL | 375 | 46 | - |
| Aqua Illinois-Woodlawn | Kankakee, IL | 375 | 24 | - |
| Silo Restaurant | Waukegan, IL | 375 | 1 | - |
| St Francis Xavier Church | Joliet, IL | 375 | 26 | - |
| Kenney | Clinton, IL | 374 | 201 | - |
| Ilur Woods Edge MHP LLC | Crofton, IL | 373 | 0 | - |
| Irving | Irving, IL | 373 | 20 | - |
| Freeman Spur | Freeman Spur, IL | 373 | 39 | - |
| Bilingual Rock Immersion School | Long Grove, IL | 373 | 1,427 | - |
| Jellystone Park - Milbrook | Millbrook, IL | 371 | 23 | - |
| Carbon Hill | Carbon Hill, IL | 370 | 1,635 | - |
| Arapaho Village MHP | Belleville, IL | 368 | 0 | - |