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 |
| Walcamp Lutheran Retreat-Pavillion | Kingston, IL | 25 | 15 | - |
| Walcamp Lutheran Retreat-Kitchen | Kingston, IL | 25 | 15 | - |
| Catalpa Grove | Toulon, IL | 25 | 0 | - |
| Goose Workshop | Kewanee, IL | 25 | 23 | - |
| Pilgrim Park Camp #3 Pool Well | Princeton, IL | 25 | 36 | - |
| Pilgrim Park Camp #2 Washhouse/East Well | Princeton, IL | 25 | 28 | - |
| Oak Spring Golf Course | St Anne, IL | 25 | 5 | - |
| Deer Creek American Legion | Deer Creek, IL | 25 | 7 | - |
| Sunset Inn | Amboy, IL | 25 | 0 | - |
| Riverview Lodge | Thomson, IL | 25 | 30 | - |
| Captains Quarters | West Chicago, IL | 25 | 14 | - |
| Fox Bluff | West Chicago, IL | 25 | 6 | - |
| Kankakee River St Park Office | Bourbonnais, IL | 25 | 16 | - |
| Rock Cut State Park-Red Oak | Loves Park, IL | 25 | 6 | - |
| Marshall Co Sportsmens Club (6940) | Streator, IL | 25 | 55 | - |
| Aurelio's Cake Factory | Sterling, IL | 25 | 0 | - |
| Harris Forest Preserve | Yorkville, IL | 25 | 7 | - |
| Binnie Woods Forest Preserve | Hampshire, IL | 25 | 6 | - |
| Burnidge Forest Preserve | Hampshire, IL | 25 | 22 | - |
| Lone Grove Forest Preserve | Geneva, IL | 25 | 33 | - |
| Hampshire for Preserve Shelter 1 | Hampshire, IL | 25 | 3 | - |
| Elburn Forest Preserve | Geneva, IL | 25 | 31 | - |
| Fabyan Forest Preserve | Geneva, IL | 25 | 16 | - |
| Troy Sportsmens Club | Justice, IL | 25 | 28 | - |
| Harrison-Benwell Cons. Area | West Chicago, IL | 25 | 8 | - |
| Lake Co Fp Vanpatton WD Fountn#6/Shltr A | Waukegan, IL | 25 | 6 | - |
| Hononegah Forest Preserve-Campground | Rockford, IL | 25 | 5 | - |
| Hononegah Forest Preserve-West Camp Hp | Rockford, IL | 25 | 1 | - |
| Espenscheid Memorial Park | Rockford, IL | 25 | 7 | - |
| Trask Bridge Fp Bubbler Well | Rockford, IL | 25 | 6 | - |
| Rochelle Wildlife Club (17137) | Chana, IL | 25 | 20 | - |
| Sandwich Sportsmans Club | Sandwich, IL | 25 | 12 | - |
| Camp Big Timber | West Chicago, IL | 25 | 8 | - |
| Off the Street Club-Camp Mathieu | Chicago, IL | 25 | 37 | - |
| La Salle Manor | West Chicago, IL | 25 | 18 | - |
| Goose Lake Club | West Chicago, IL | 25 | 19 | - |
| Galesburg East KOA | Knoxville, IL | 25 | 21 | - |
| Pilgrim Park Camp #1 Main Well | Princeton, IL | 25 | 47 | - |
| Congregation Beth Judea | Waukegan, IL | 25 | 3,204 | - |
| Crooked Lake Resort | Lake Villa, IL | 25 | 0 | - |
| Wolffs Resort | Waukegan, IL | 25 | 1 | - |
| Ayers Landing | Peoria, IL | 25 | 38 | - |
| Two Rivers United Methodist Ch Camp | Peoria, IL | 25 | 30 | - |
| Old Mill Creek/Blackwing | Waukegan, IL | 25 | 0 | - |
| Caterpillar Demonstration Area | Edwards, IL | 25 | 167 | - |
| Shady Oaks Country Club | Amboy, IL | 25 | 0 | - |
| Hickory Grove Cons. Area Handp | West Chicago, IL | 25 | 3 | - |
| Fel-Pro Triple R Pavillion | Woodstock, IL | 25 | 3 | - |
| Wilmington Rec Club Beach Bathhouse | Wilmington, IL | 25 | 12 | - |
| Cleveland RD Access | Frankfort, IL | 25 | 3 | - |