Public Water Systems
5,117 active water systems in IL.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| KARNAK | KARNAK, IL | 432 | 45 | — |
| REED SCHOOL | LOCKPORT, IL | 431 | 243 | — |
| SORENTO | AVISTON, IL | 429 | 163 | — |
| HECKER | HECKER, IL | 429 | 51 | — |
| NEPONSET | NEPONSET, IL | 427 | 1,195 | — |
| SUBLETTE | SUBLETTE, IL | 426 | 30 | — |
| PRAIRIE CITY | PRAIRIE CITY, IL | 425 | 152 | — |
| BAY VIEW BAPTIST CHURCH | WASHINGTON, IL | 425 | 5 | — |
| NEW HAVEN | NEW HAVEN, IL | 424 | 41 | — |
| CANDLELIGHT VILLAGE MHP | FARMINGTON HILLS, IL | 420 | 96 | — |
| OGDEN GARDENS SUBDIVISION | AURORA, IL | 420 | 39 | — |
| HOPEWELL | HOPEWELL, IL | 420 | 381 | — |
| OAKWOOD ESTATES | SPRINGFIELD, IL | 420 | 9 | — |
| ARENZVILLE | ARENZVILLE, IL | 419 | 66 | — |
| CAMPBELL HILL | CAMPBELL HILL, IL | 414 | 31 | — |
| HILLDALE MANOR SUBDIVISION | FOX LAKE, IL | 414 | 20 | — |
| WHITE OAKS ESTATES WATER ASSOC., INC. | DIXON, IL | 410 | 26 | — |
| MIDLAND HIGH SCHOOL | VARNA, IL | 410 | 314 | — |
| SPRINGBROOK COMMUNITY CHURCH | PLAINFIELD, IL | 406 | 8 | — |
| DES PLAINES MHP | DESPLAINES, IL | 405 | 148 | — |
| WELDON | WELDON, IL | 404 | 43 | — |
| CASS RURAL WATER DISTRICT | ARENZVILLE, IL | 403 | 0 | — |
| LEAF RIVER | LEAF RIVER, IL | 403 | 20 | — |
| ELLIS GROVE | ELLIS GROVE, IL | 403 | 79 | — |
| IL VETERANS HOME (QUINCY) | QUINCY, IL | 401 | 16 | — |
| BENSON | BENSON, IL | 401 | 130 | — |
| HOBSON VALLEY WATER SYSTEM | DARIEN, IL | 400 | 2 | — |
| ALLENDALE ASSOCIATION | LAKE VILLA, IL | 400 | 37 | — |
| ROCK RIVER ESTATES MHP | DIXON, IL | 400 | 26 | — |
| BALMORAL HEIGHTS SUBDIVISION | CRETE, IL | 400 | 11 | — |
| GREENWOOD SCHOOL | WOODSTOCK, IL | 400 | 66 | — |
| ILLINOIS TURNER CAMP POOL | ALGONQUIN, IL | 400 | 26 | — |
| ST MATTHEW LUTHERAN SCHOOL | LAKE ZURICH, IL | 400 | 10 | — |
| MILLBURN SCHOOL | TWIN LAKES, IL | 400 | 270 | — |
| TITAN TIRE COORPORATION OF FREEPORT | FREEPORT, IL | 400 | 118 | — |
| PEORIA SKEET & TRAP CLUB | EAST PEORIA, IL | 400 | 3 | — |
| SYCAMORE SPEEDWAY | MAPLE PARK, IL | 400 | 24 | — |
| HINCKLEY-BIG ROCK MIDDLE SCHOOL | DEKLAB, IL | 400 | 513 | — |
| GOODENOW GROVE FOREST PRESERVE | West Chicago, IL | 400 | 1 | — |
| SCHILLER WOODS W 3072 | MAYWOOD, IL | 400 | 11 | — |
| SCHILLER WOODS 3102 | MAYWOOD, IL | 400 | 8 | — |
| GRACE CHRISTIAN ACADEMY | KANKAKEE, IL | 400 | 1,347 | — |
| SCHILLER WOODS 3070 | MAYWOOD, IL | 400 | 20 | — |
| TAMPIER LAKE 5321 | MAYWOOD, IL | 400 | 14 | — |
| LINDENHURST CLARK | WAUKEGAN, IL | 400 | 2 | — |
| COGHILL GOLF COURSES #2&4 | LEMONT, IL | 400 | 8 | — |
| ED ETNYRE AND COMPANY | OREGON, IL | 400 | 125 | — |
| TAMARACK GOLF CLUB LTD | NAPERVILLE, IL | 400 | 0 | — |
| EXPRESS LANE GAS AND FOOD INC. | MORRIS, IL | 400 | 10 | — |
| BRUNSWICK DEER PARK LANES | WAUKEGAN, IL | 400 | 0 | — |