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 |
|---|---|---|---|---|
| South Bluff MHP | Sandy, IL | 507 | 4 | - |
| Citgo Dunkin Donuts Prospect Heights | Prospect Heights, IL | 507 | 14 | - |
| Colp | Colp, IL | 506 | 54 | - |
| Franciscan Sisters of Chicago | Lemont, IL | 505 | 66 | - |
| Bookwalter Woods MHP | Gardner, IL | 504 | 33 | Clean |
| Shoreline Trc MHP | Chicago, IL | 504 | 58 | - |
| 7 Eleven | Sherrard, IL | 504 | 0 | - |
| Mississippi Manufactured Home Community | Troy, IL | 503 | 19 | - |
| Union-York Water District | West Union, IL | 501 | 44 | - |
| Vienna Correctional Center | Vienna, IL | 501 | 29 | - |
| Heritage of Rantoul | Crofton, IL | 500 | 37 | - |
| Beecher City | Beecher City, IL | 500 | 126 | - |
| London Mills | London Mills, IL | 500 | 94 | - |
| Geneseo Hills Subdivision | Geneseo, IL | 500 | 269 | - |
| Lake Iroquois Association | Loda, IL | 500 | 6 | - |
| Lake Shannon | Reddick, IL | 500 | 142 | - |
| Lake Barrington | Lake Barrington, IL | 500 | 7 | - |
| Cornell | Cornell, IL | 500 | 52 | - |
| Decatur MHP, LLC | Cedaredge, IL | 500 | 35 | - |
| Aqua Illinois-Nordic Woods | Kankakee, IL | 500 | 294 | - |
| East Moline Correctional Center | East Moline, IL | 500 | 3 | - |
| Tower Hill | Tower Hill, IL | 500 | 84 | - |
| Dakota | Dakota, IL | 500 | 18 | - |
| Rankin | Rankin, IL | 500 | 31 | - |
| The Great Sauk Trail-West | Ottawa, IL | 500 | 4 | - |
| Spring Grove Elementary School | Spring Grove, IL | 500 | 103 | - |
| Robert Allerton Park | Monticello, IL | 500 | 11 | - |
| Lake Alexander RV Park | West Chicago, IL | 500 | 15 | - |
| Biltmore C C Main Building | Spring Grove, IL | 500 | 16 | - |
| I-57 Prairie View South | Schaumburg, IL | 500 | 9 | - |
| South Wilmington Firemans #1 | South Wilmington, IL | 500 | 37 | - |
| White Fence Farm | Joliet, IL | 500 | 1 | - |
| Citgo Petroleum Corporation | Lemont, IL | 500 | 118 | - |
| Toors | Waukegan, IL | 500 | 1 | - |
| 325 S Route 31 LLC | White Plains, IL | 500 | 441 | - |
| Dunham Woods Riding Club | West Chicago, IL | 500 | 16 | - |
| Kankakee River St Pk/Pottawat | Bourbonnais, IL | 500 | 0 | - |
| Starved Rock State Park (94227) | Utica, IL | 500 | 25 | - |
| Sterling Steel | Sterling, IL | 500 | 10 | - |
| Funks Grove Hwy Rest Area | Champaign, IL | 500 | 20 | - |
| St Peters Church | Spring Grove, IL | 500 | 8 | - |
| Mascoutin Sra | Dewitt, IL | 500 | 15 | - |
| Spoon River Speedway | Canton, IL | 500 | 6 | - |
| Sauk Valley College | Dixon, IL | 500 | 54 | - |
| M and a Country Store | Geneseo, IL | 500 | 0 | - |
| Rock Cut St Pk-Beach Well | Loves Park, IL | 500 | 6 | - |
| Alpine Chapel | Waukegan, IL | 500 | 6 | - |
| Lippold Park Con Softball Boncosky | Crystal Lake, IL | 500 | 0 | - |
| Dick Young Forest Preserve | Geneva, IL | 500 | 16 | - |
| Natural Pure Drinking Water at Capri Iga | Centerville, IL | 500 | 3 | - |