Public Water Systems
5,117 active water systems in IL.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| GREENFIELD | GREENFIELD, IL | 1,480 | 258 | — |
| MOUNT CARROLL | MT CARROLL, IL | 1,479 | 92 | — |
| NORTH PEKIN | NORTH PEKIN, IL | 1,478 | 22 | — |
| BETHANY | BETHANY, IL | 1,475 | 17 | — |
| HODGKINS | HODGKINS, IL | 1,472 | 18 | — |
| GARDEN HOME SD | GARDEN HOMES, IL | 1,472 | 44 | — |
| GREEN OAKS | GREEN OAKS, IL | 1,470 | 24 | — |
| FOUR SEASONS MHP | PROVO, IL | 1,468 | 52 | — |
| SILVIS HEIGHTS WATER CORP | SILVIS, IL | 1,450 | 147 | — |
| EXXON MOBIL OIL REFINERY | JOLIET, IL | 1,450 | 372 | — |
| CAT TECH CENTER | CHILLICOTHE, IL | 1,442 | 461 | — |
| OAKBROOK TERRACE | OAKBROOK TERRACE, IL | 1,440 | 4 | — |
| CRYSTAL LAWNS ADDITION IMPROVEMENT ASSOC | JOLIET, IL | 1,435 | 227 | Detected |
| CERRO GORDO | CERRO GORDO, IL | 1,433 | 4 | — |
| SOUTH FULTON WATER DISTRICT | ASTORIA, IL | 1,430 | 18 | — |
| DEVILS KITCHEN WATER DISTRICT | CARBONDALE, IL | 1,428 | 52 | — |
| DURAND | DURAND, IL | 1,427 | 83 | — |
| WYNSTONE WATER COMPANY | GENEVA, IL | 1,424 | 318 | — |
| YORK TOWNSHIP WATER SYSTEM | DARIEN, IL | 1,423 | 172 | — |
| GRIDLEY | GRIDLEY, IL | 1,411 | 21 | — |
| PEMBROKE TOWNSHIP | HOPKINS PARK, IL | 1,410 | 102 | — |
| ONARGA | ONARGA, IL | 1,409 | 33 | — |
| GRANDVIEW | SPRINGFIELD, IL | 1,405 | 26 | — |
| MURRAYVILLE-WOODSON WATER COMMISSION | MURRAYVILLE, IL | 1,403 | 62 | — |
| SUNSET MHP | NORTHBROOK, IL | 1,400 | 298 | — |
| NORTH UTICA | UTICA, IL | 1,400 | 254 | — |
| CENTRALIA CORRECTIONAL SITE | CENTRALIA, IL | 1,397 | 6 | — |
| COLCHESTER | COLCHESTER, IL | 1,395 | 172 | — |
| NILWOOD | MODESTO, IL | 1,394 | 85 | — |
| IL AMERICAN-ROSICLARE | GODFREY, IL | 1,387 | 6 | — |
| PAYSON | PAYSON, IL | 1,386 | 42 | — |
| NEW BERLIN | NEW BERLIN, IL | 1,380 | 241 | — |
| AQUA ILLINOIS-PHILO | KANKAKEE, IL | 1,378 | 9 | — |
| ASTORIA | ASTORIA, IL | 1,375 | 17 | — |
| IL AMERICAN-HARDIN COUNTY | GODFREY, IL | 1,373 | 18 | — |
| TOWER LAKES | VOLO, IL | 1,372 | 208 | — |
| HEBRON | HEBRON, IL | 1,368 | 11 | — |
| GARDNER | GARDNER, IL | 1,361 | 322 | — |
| HILLTOP MHP | BLOOMINGTON, IL | 1,360 | 92 | — |
| GRANVILLE | GRANVILLE, IL | 1,359 | 392 | — |
| TOLUCA | TOLUCA, IL | 1,348 | 79 | — |
| CAPRON | CAPRON, IL | 1,343 | 268 | — |
| RIVERDALE SCHOOL DISTRICT #100 | PORT BYRON, IL | 1,340 | 356 | — |
| FORRESTON | FORRESTON, IL | 1,338 | 9 | — |
| BONNIE BRAE FOREST MANOR SNDST | LOCKPORT, IL | 1,338 | 14 | — |
| ASHLAND | ASHLAND, IL | 1,333 | 127 | — |
| ROSSVILLE | ROSSVILLE, IL | 1,331 | 120 | — |
| WARREN | WARREN, IL | 1,323 | 25 | — |
| HARRISTOWN | DECATUR, IL | 1,320 | 34 | — |
| EAST MORELAND WTR SERVICE ASSN | JOLIET, IL | 1,320 | 154 | — |