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 |
| The Crave Bar | Arlington Heights, IL | 50 | 11 | - |
| Lemont Hs Sports Complex | Lemont, IL | 50 | 14 | - |
| Northwoods RV Resort-Northwest Well | Garden Prairie, IL | 50 | 3 | - |
| IL Vipassana Association Dorm (148593) | Pecatonica, IL | 50 | 19 | - |
| Coon & Fox Hunters Assoc | Durand, IL | 50 | 50 | - |
| Lombard Christian Reform Church | Lombard, IL | 50 | 0 | - |
| Greene Valley F P (148957) | West Chicago, IL | 50 | 15 | - |
| Bellas Bouncies Fox Lake | Waukegan, IL | 50 | 1 | - |
| Walmart Galena | Vista, IL | 50 | 0 | - |
| Western Illinois Nature Group | Galesburg, IL | 50 | 72 | - |
| Blackwell Fp (Dw-20) | Warrenville, IL | 50 | 0 | - |
| Tammys Piggly Wiggly | Galena, IL | 50 | 0 | - |
| Brush Hill Business Center LLC, Bldg 4 | Lemont, IL | 50 | 2 | - |
| Brush Hill Business Center LLC Bldgs1-3 | Lemont, IL | 50 | 2 | - |
| Bracing Systems | Bloomingdale, IL | 50 | 1 | - |
| Meijer (150185) Plainfield | Winston-Salem, IL | 50 | 3 | - |
| Blackberry Maples Forest Preserve | Geneva, IL | 50 | 15 | - |
| Prairie Office Complex | Cary, IL | 50 | 1 | - |
| Stone City Softball Concession | Minooka, IL | 50 | 26 | - |
| Wal-Mart Supercenter #852 | Winston-Salem, IL | 50 | 0 | - |
| Children of Promise | Millstadt, IL | 50 | 1,724 | - |
| Walmart Pontiac | Winston-Salem, IL | 50 | 0 | - |
| St Michaels Church | Waterloo, IL | 50 | 11 | - |
| Weitendorf Agricultural Education Center | Joliet, IL | 50 | 0 | - |
| Long Grove Country School | Waukegan, IL | 50 | 0 | - |
| Venue 5126 Inc | Oswego, IL | 50 | 15 | - |
| Save a Pet | Waukegan, IL | 50 | 2,953 | - |
| Jewel Food Store 3347 | Vista, IL | 50 | 0 | - |
| Jewel Food Store 3374 | Vista, IL | 50 | 0 | - |
| Bayer Co - Waterman Research Facility | Waterman, IL | 50 | 172 | - |
| Edp Renewables | Ellsworth, IL | 50 | 855 | - |
| Chs Annawan | Annawan, IL | 50 | 253 | - |
| Trinity Evangelical Christian Church | Monee, IL | 50 | 0 | - |
| Midwest Breakfast Co | Spring Grove, IL | 50 | 2 | - |
| Holy Apostles Orthodox Church | Normal, IL | 50 | 2 | - |
| Lake Co Fp Independence Grove/South Bay | Lindenhurst, IL | 50 | 0 | - |
| Heritage Prairie Market | Elburn, IL | 50 | 20 | - |
| Red Cottage Salon and Spa | Waukegan, IL | 50 | 0 | - |
| Whole Foods Kildeer | Vista, IL | 50 | 0 | - |
| Creek Bend Nature Center Fp | Elburn, IL | 50 | 4 | - |
| Tegrant Sonoco Protective Solutions | Beecher, IL | 50 | 248 | - |
| McCd Winding Creek Conservation Area | Woodstock, IL | 50 | 6 | - |
| Azz Galvanizing | Joliet, IL | 50 | 1,482 | - |
| Tpc Deere Run Back Nine Restroom Shelter | Silvis, IL | 50 | 3 | - |
| Alloy Specialties (10500312) | Ransome, IL | 50 | 48 | - |
| Twice the Ice Freeburg | Columbia, IL | 50 | 0 | - |
| Rt 34 Drive in Theaatre | Oglesby, IL | 50 | 0 | - |
| Connections Chuch Libertyville | Libertyville, IL | 50 | 0 | - |
| Molidor Athletic Fields | West Chicago, IL | 50 | 0 | - |
| Primrose School | West Chicago, IL | 50 | 945 | - |