Public Water Systems
5,117 active water systems in IL.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| WYANET | WYANET, IL | 886 | 120 | — |
| GATEWAY MHP | FRANKFORT, IL | 884 | 11 | — |
| PRAIRIE PATH WATER COMPANY-COVENTRY HILL | MCHENRY, IL | 882 | 12 | — |
| SHABBONA | SHABBONA, IL | 881 | 83 | — |
| PIPER CITY | PIPER CITY, IL | 875 | 44 | — |
| CLIFTON CENTRAL HIGH SCHOOL | ASHKUM, IL | 875 | 49 | — |
| RIDGWAY | RIDGWAY, IL | 874 | 90 | — |
| LAWRENCE COUNTY CORRECTIONAL CENTER | DIETERICH, IL | 870 | 20 | — |
| PAW PAW | PAW PAW, IL | 870 | 73 | — |
| SHARPSBURG AND NEIGHBORING AREA WATER SY | STONINGTON, IL | 868 | 8 | — |
| PRAIRIE PATH WATER COMPANY-HOLIDAY HILLS | MCHENRY, IL | 868 | 19 | — |
| TALLULA | TALLULA, IL | 868 | 17 | — |
| LAKEWOOD SHORES IMPROVEMENT ASSOCIATION | WILMINGTON, IL | 868 | 248 | — |
| ILUR LIBERTY COMMONS MHP LLC | CROFTON, IL | 865 | 2 | — |
| WEE-MA-TUK WATER DISTRICT | CUBA, IL | 863 | 2 | Detected |
| HANOVER | HANOVER, IL | 863 | 27 | Clean |
| EAST GALESBURG | EAST GALESBURG, IL | 860 | 40 | — |
| DAHLGREN | DAHLGREN, IL | 859 | 11 | — |
| BRIMFIELD | BRIMFIELD, IL | 856 | 52 | — |
| AQUA ILLINOIS-CRYSTAL CLEAR WATER CO. | KANKAKEE, IL | 855 | 418 | — |
| PRAIRIE PATH WATER COMPANY-CLARENDON | ST. CHARLES, IL | 850 | 27 | Detected |
| DUNFERMLINE-ST DAVID WATER COMMISSION | ST DAVID, IL | 850 | 59 | — |
| ST BEDE CHURCH | WAUKEGAN, IL | 850 | 0 | — |
| CISSNA PARK | CISSNA PARK, IL | 846 | 41 | — |
| ALBANY | ALBANY, IL | 846 | 115 | — |
| HANAFORD | LOGAN, IL | 845 | 8 | — |
| HARDIN COUNTY WATER DISTRICT NO.1 | CAVE-IN-ROCK, IL | 843 | 337 | — |
| ANNAWAN | PERU, IL | 843 | 42 | — |
| IL AMERICAN-HARDIN | GODFREY, IL | 839 | 82 | — |
| CHANDLERVILLE | CHANDLERVILLE, IL | 838 | 148 | — |
| SOUTH PALMYRA WATER COMMISSION | PALMYRA, IL | 838 | 39 | — |
| NEWMAN | NEWMAN, IL | 836 | 135 | — |
| ALEXIS | ALEXIS, IL | 836 | 73 | — |
| ADAMS COUNTY WATER DISTRICT NO 1 | PALOMA, IL | 833 | 93 | — |
| PRAIRIE PATH WATER COMPANY-CHERRY HILL | ST. CHARLES, IL | 833 | 21 | — |
| HOPEDALE | HOPEDALE, IL | 830 | 11 | — |
| YATES CITY | YATES CITY, IL | 828 | 103 | — |
| IL AMERICAN-LIVINGSTON | GODFREY, IL | 825 | 13 | — |
| SHEFFIELD | KEWANEE, IL | 821 | 52 | — |
| EXETER-MERRITT WATER COOP | WINCHESTER, IL | 820 | 63 | — |
| WEST SALEM | WEST SALEM, IL | 819 | 31 | — |
| ROUND PRAIRIE WATER COOP | DIETERICH, IL | 813 | 6 | — |
| LOAMI | LOAMI, IL | 812 | 27 | — |
| ALDI #92 | BATAVIA, IL | 812 | 0 | — |
| CONSTELLATION DRESDEN STATION | MORRIS, IL | 811 | 13 | — |
| GLENBROOK SD | TECHNY, IL | 809 | 27 | — |
| BLAIRSVILLE PWD | HURST, IL | 807 | 31 | — |
| NOBLE | NOBLE, IL | 805 | 26 | — |
| ELIZABETH | ELIZABETH, IL | 802 | 22 | — |
| SHANNON | SHANNON, IL | 801 | 391 | — |