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 |
| Constellation Midwest Fire Training Acad | Morris, IL | 25 | 0 | - |
| Walmart Supercenter 1814 Elgin | Winston-Salem, IL | 25 | 0 | - |
| Walmart Supercenter 4699 Streator | Winston-Salem, IL | 25 | 0 | - |
| Iga Leroy | Leroy, IL | 25 | 0 | - |
| Marianos Palatine | Vista, IL | 25 | 0 | - |
| Brown Conservation Park | Caledonia, IL | 25 | 3 | - |
| Grand Oaks Recreation Center | Woodstock, IL | 25 | 0 | - |
| Icehouse South Mt Vernon | Flora, IL | 25 | 0 | - |
| Icehouse Main Mt Vernon | Flora, IL | 25 | 0 | - |
| Icehouse Salem | Flora, IL | 25 | 3 | - |
| Icehouse Olney | Flora, IL | 25 | 5 | - |
| Icehouse Effingham | Flora, IL | 25 | 0 | - |
| Walmart Supercenter 1377 Johnsburg | Winston-Salem, IL | 25 | 0 | - |
| Valli Produce 5 Rockford | Centerville, IL | 25 | 2 | - |
| Twice the Ice Christopher | Benton, IL | 25 | 4 | - |
| Twice the Ice Benton East | Benton, IL | 25 | 4 | - |
| Lake Co Fp Rays Lake | Lindenhurst, IL | 25 | 0 | - |
| Deer Creek Upper Well#2 | Joliet, IL | 25 | 16 | - |
| Maranatha Prayer Camp-Church Dorm | Chicago, IL | 25 | 10 | - |
| Ice House America Fairfield | Flora, IL | 25 | 5 | - |
| Ice House America Newton | Newton, IL | 25 | 2 | - |
| Fresh Market Elgin | Vista, IL | 25 | 0 | - |
| Marianos 8506 Hoffman Estates | Vista, IL | 25 | 0 | - |
| Angelo Caputos Fresh Markets 631 | Vista, IL | 25 | 0 | - |
| Marianos 8507 N Elston Chicago | Vista, IL | 25 | 4 | - |
| Wilmington Rec Club Bathhouse 2 | Wilmington, IL | 25 | 17 | - |
| Wilmington Rec Club Bathhouse 3 | Wilmington, IL | 25 | 24 | - |
| Twice the Ice Centralia | Mt Vernon, IL | 25 | 0 | - |
| Precision Planting (Monsanto) | Tremont, IL | 25 | 615 | - |
| Lynn Mart Carpentersville | Vista, IL | 25 | 0 | - |
| Ice House America Pontoon Beach | Granite City, IL | 25 | 2 | - |
| Walmart 1735 Wheeling | Winston-Salem, IL | 25 | 0 | - |
| Walmart 2204 Forest Park | Winston-Salem, IL | 25 | 0 | - |
| Meijer 264 Berwyn | Vista, IL | 25 | 0 | - |
| Walmart 5485 Evergreen Park | Winston-Salem, IL | 25 | 0 | - |
| Walmart 1938 Bedford Park | Winston-Salem, IL | 25 | 0 | - |
| Walmart 1892 Hodgkins | Winston-Salem, IL | 25 | 0 | - |
| Wash O Rama and Vending | Peoria, IL | 25 | 1 | - |
| County Market Carpenter Springfield | Vista, IL | 25 | 0 | - |
| Meijer 265 Evergreen Park | Winston-Salem, IL | 25 | 0 | - |
| Marianos Heights | Vista, IL | 25 | 0 | - |
| County Market Sherman | Springfield, IL | 25 | 0 | - |
| HI Lo Market Galesburg | Vista, IL | 25 | 0 | - |
| Jewel 3092 95th St Chicago | Vista, IL | 25 | 0 | - |
| Hyvee on Broadway Quincy | Centerville, IL | 25 | 0 | - |
| Hyvee on Harrison Quincy | Centerville, IL | 25 | 0 | - |
| Tobin-Nanninga Marine Corps | Pekin, IL | 25 | 7 | - |
| Haddads West Peoria | Vista, IL | 25 | 0 | - |
| Tonys Finer Foods Hanover Park | Vista, IL | 25 | 0 | - |
| Marianos 8511 | Vista, IL | 25 | 0 | - |