Public Water Systems
5,117 active water systems in IL.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| WAVERLY | WAVERLY, IL | 1,194 | 174 | — |
| IL AMERICAN-GLASFORD | GODFREY, IL | 1,193 | 602 | — |
| TOULON | TOULON, IL | 1,193 | 428 | — |
| CAMP POINT | CAMP POINT, IL | 1,190 | 45 | — |
| DOWELL | DOWELL, IL | 1,188 | 18 | — |
| FERGES WATER DISTRICT | MARION, IL | 1,185 | 15 | — |
| CUBA | CUBA, IL | 1,184 | 122 | — |
| IL AMERICAN-ANDALUSIA | GODFREY, IL | 1,184 | 22 | Detected |
| DANVERS | DANVERS, IL | 1,183 | 502 | — |
| VALIER | VALIER, IL | 1,182 | 32 | — |
| WALNUT HILL | CENTRALIA, IL | 1,180 | 8 | — |
| MINIER | MINIER, IL | 1,180 | 11 | — |
| SOUTH BARRINGTON | GENEVA, IL | 1,175 | 1 | — |
| DIVERNON | DIVERNON, IL | 1,172 | 50 | — |
| MECHANICSBURG-BUFFALO WATER COMMISSION | BUFFALO, IL | 1,170 | 80 | — |
| KINGSTON | KINGSTON, IL | 1,160 | 75 | — |
| ATWOOD | ATWOOD, IL | 1,155 | 44 | — |
| MALTA | MALTA, IL | 1,143 | 44 | — |
| GORHAM | GORHAM, IL | 1,143 | 39 | — |
| PROSPECT WATER DISTRICT | HARRISBURG, IL | 1,140 | 21 | — |
| MOUNDS | MOUNDS, IL | 1,135 | 133 | — |
| PRAIRIE PATH WATER COMPANY-FERSON CREEK | ST. CHARLES, IL | 1,134 | 25 | — |
| OQUAWKA | OQUAWKA, IL | 1,125 | 17 | — |
| JOHNSBURG NO.2 | JOHNSBURG, IL | 1,124 | 157 | — |
| ROYALTON | ROYALTON, IL | 1,118 | 88 | — |
| PERCY | PERCY, IL | 1,111 | 112 | — |
| FLANAGAN | FLANAGAN, IL | 1,110 | 24 | — |
| ORAVILLE WATER DISTRICT | AVA, IL | 1,108 | 7 | — |
| IL AMERICAN-VALLEY MARINA | GODFREY, IL | 1,102 | 7 | — |
| WOODLAWN MIDDLE/COUNTRY MEADOW ELEM | BUFFALO GROVE, IL | 1,100 | 8 | — |
| WORDEN | WORDEN, IL | 1,096 | 25 | — |
| HEARTVILLE PWD | DIETERICH, IL | 1,092 | 25 | — |
| CROSSVILLE | CROSSVILLE, IL | 1,091 | 11 | — |
| HAMEL | HAMEL, IL | 1,087 | 52 | — |
| ROBINSON CORRECTIONAL CENTER | DIETERICH, IL | 1,085 | 2 | — |
| IRVINGTON | CENTRALIA, IL | 1,081 | 15 | — |
| MEREDOSIA | MEREDOSIA, IL | 1,075 | 22 | — |
| EDINBURG | EDINBURG, IL | 1,068 | 79 | — |
| MORRISONVILLE | MORRISONVILLE, IL | 1,068 | 9 | — |
| ELKVILLE | ELKVILLE, IL | 1,068 | 33 | — |
| GOREVILLE | GOREVILLE, IL | 1,068 | 32 | — |
| THOMASBORO | THOMASBORO, IL | 1,066 | 40 | — |
| HIGHWAY 37 NORTH PWD | MARION, IL | 1,065 | 34 | — |
| PRAIRIE PATH WATER COMPANY-HARBOR RIDGE | MCHENRY, IL | 1,064 | 14 | — |
| ENFIELD | ENFIELD, IL | 1,064 | 75 | — |
| SHAWNEETOWN | SHAWNEETOWN, IL | 1,054 | 30 | — |
| AVA | AVA, IL | 1,053 | 40 | — |
| COULTERVILLE | COULTERVILLE, IL | 1,052 | 55 | — |
| SUBURBAN APARTMENTS (DE KALB UNIV DVL) | OAK BROOK, IL | 1,050 | 109 | — |
| PRAIRIE GROVE SCHOOL | CRYSTAL LAKE, IL | 1,050 | 147 | — |