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 |
|---|---|---|---|---|
| Alpha | Alpha, IL | 626 | 90 | - |
| Keyesport | Keyesport, IL | 625 | 131 | - |
| Wayne School | Elgin, IL | 625 | 107 | - |
| Beach MHP | Denver, IL | 624 | 20 | - |
| Golden | Golden, IL | 620 | 5 | - |
| Hutsonville | Hutsonville, IL | 613 | 53 | - |
| New Boston | New Boston, IL | 613 | 142 | - |
| Cowden | Cowden, IL | 612 | 25 | - |
| Liberty | Liberty, IL | 609 | 12 | - |
| Palmyra | Modesto, IL | 605 | 73 | - |
| Raleigh Water District | Raleigh, IL | 605 | 13 | - |
| Kilbuck Creek Retreat | Monroe Center, IL | 604 | 10 | - |
| Patoka | Patoka, IL | 603 | 217 | - |
| Damiansville | Damiansville, IL | 602 | 36 | - |
| Bedford Park | Bedford Park, IL | 602 | 4 | - |
| Baldwin | Nashville, IL | 601 | 38 | - |
| Buckley | Buckley, IL | 600 | 32 | Clean |
| Stanford | Stanford, IL | 600 | 14 | - |
| Prairie Path Water Company-Northern Hill | McHenry, IL | 600 | 31 | - |
| Glenwood RV Resort | Marseilles, IL | 600 | 54 | - |
| Kildeer Countryside School | Long Grove, IL | 600 | 98 | - |
| Isle a la Cache Museum | Romeoville, IL | 600 | 0 | - |
| Shanty Restaurant | Wadsworth, IL | 600 | 3 | - |
| Long Grove Community Church | Waukegan, IL | 600 | 2 | - |
| Fratellos Hot Dogs | Waukegan, IL | 600 | 0 | - |
| Equistar Chemicals LP | Morris, IL | 600 | 62 | - |
| Indian Knoll School Dist 33 | West Chicago, IL | 600 | 292 | - |
| Constellation Byron Generating Station | Byron, IL | 600 | 0 | - |
| Cat Mapleton /Mapleton | Mapleton, IL | 600 | 66 | - |
| Thorton Oil 351 | East Peoria, IL | 600 | 2 | - |
| Harisumiran-Hindu Swaminarayan Temple | Waukegan, IL | 600 | 7 | - |
| Wal-Mart Supercenter 2491 | Winston-Salem, IL | 600 | 0 | - |
| Cbre West Plaza | Northbrook, IL | 600 | 638 | - |
| Crossroads Methodist Church, Inc | Washington, IL | 600 | 5 | - |
| Three Rivers Church | Plainfield, IL | 600 | 0 | - |
| Baker Koren Round Barn | Manhattan, IL | 600 | 1 | - |
| Harvest Baptist Church Well 3 | Oswego, IL | 600 | 40 | - |
| St Raphael Church | Waukegan, IL | 600 | 1 | - |
| Love's Travel Stop/ Arby's | Oklahoma City, IL | 600 | 0 | - |
| Silver Glen Homeowner's Association | St. Charles, IL | 595 | 222 | - |
| Union | Union, IL | 594 | 95 | - |
| West Shore Park Subdivision | Mundelein, IL | 590 | 141 | - |
| Davis | Davis, IL | 589 | 39 | - |
| Fairview | Cuba, IL | 588 | 221 | - |
| St Francisville | St. Francisville, IL | 583 | 40 | - |
| Thomson | Peru, IL | 580 | 19 | - |
| Valley View Estates | Farmington Hills, IL | 580 | 5 | - |
| Hopkins Park | Hopkins Park, IL | 579 | 266 | - |
| Sawyerville | Sawyerville, IL | 578 | 106 | - |
| Williamsfield | Williamsfield, IL | 575 | 138 | - |