Public Water Systems
10,988 active water systems in WI.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| BLACK CREEK WATERWORKS | BLACK CREEK, WI | 1,336 | 11 | — |
| ELROY WATERWORKS | ELROY, WI | 1,333 | 37 | — |
| MONTELLO WATERWORKS | MONTELLO, WI | 1,329 | 35 | — |
| HILLSBORO WATERWORKS | Hillsboro, WI | 1,325 | 93 | — |
| FOX BROS PIGGLY WIGGLY INC - HUBERTUS | HUBERTUS, WI | 1,314 | 15 | — |
| LOYAL WATERWORKS | Loyal, WI | 1,308 | 39 | — |
| MANAWA WATERWORKS | MANAWA, WI | 1,300 | 29 | — |
| MARION WATERWORKS | MARION, WI | 1,293 | 4 | — |
| BLAIR WATERWORKS | BLAIR, WI | 1,280 | 199 | — |
| FALL CREEK WATERWORKS | Fall Creek, WI | 1,269 | 65 | — |
| ROAD RANGER TRAVEL CENTER | ROCKFORD, WI | 1,267 | 17 | — |
| GILLETT WATERWORKS | GILLETT, WI | 1,264 | 48 | — |
| THERESA WATERWORKS | THERESA, WI | 1,262 | 232 | — |
| BARNEVELD WATERWORKS | BARNEVELD, WI | 1,258 | 35 | — |
| ELMBROOK MEMORIAL HOSPITAL | BROOKFIELD, WI | 1,250 | 169 | — |
| MCDONALDS VERNON | WAUKESHA, WI | 1,250 | 118 | — |
| FLORENCE UTILITY COMMISSION | FLORENCE, WI | 1,250 | 2 | — |
| IOLA WATERWORKS | IOLA, WI | 1,249 | 25 | — |
| FREDERIC WATERWORKS | FREDERIC, WI | 1,241 | 25 | — |
| WISCONSIN VETERANS HOME | KING, WI | 1,240 | 26 | — |
| CULVERS OF NEWVILLE | PORTAGE, WI | 1,233 | 102 | — |
| SHULLSBURG WATERWORKS | SHULLSBURG, WI | 1,222 | 7 | Clean |
| MONTICELLO WATERWORKS | MONTICELLO, WI | 1,217 | 5 | — |
| ROCKVALE MHP | FARMINGTON HILLS, WI | 1,200 | 23 | — |
| WILMOT UNION HIGH SCHOOL | WILMOT, WI | 1,200 | 1,121 | — |
| REEDSVILLE WATERWORKS | REEDSVILLE, WI | 1,200 | 67 | — |
| WITTENBERG WATERWORKS | WITTENBERG, WI | 1,200 | 16 | — |
| LAKELAND UNIVERSITY | PLYMOUTH, WI | 1,200 | 21 | — |
| HAZEL GREEN WATERWORKS | HAZEL GREEN, WI | 1,193 | 52 | — |
| HILBERT WATERWORKS | HILBERT, WI | 1,176 | 14 | Detected |
| PRINCETON WATERWORKS | PRINCETON, WI | 1,166 | 98 | — |
| LUCK WATERWORKS | LUCK, WI | 1,150 | 7 | — |
| MERTON INTERMEDIATE & PRIMARY SCHOOL | MERTON, WI | 1,130 | 21 | — |
| CASHTON WATERWORKS | CASHTON, WI | 1,120 | 48 | — |
| AMHERST WATERWORKS | AMHERST, WI | 1,119 | 8 | — |
| DANE WATERWORKS | DANE, WI | 1,117 | 41 | — |
| WI DNR DEVILS LAKE NORTH SHORE | BARABOO, WI | 1,115 | 56 | — |
| PLEASANT SPRINGS TRAVEL PLAZA | KENOSHA, WI | 1,110 | 15 | — |
| KWIK TRIP 323 VERONA | LA CROSSE, WI | 1,108 | 18 | — |
| WI DNR DEVILS LAKE EAST CAMPGROUND | BARABOO, WI | 1,102 | 68 | — |
| COLFAX WATERWORKS | COLFAX, WI | 1,102 | 17 | — |
| GLENWOOD CITY WATERWORKS | GLENWOOD CITY, WI | 1,102 | 25 | — |
| STRUM WATERWORKS | Strum, WI | 1,100 | 357 | — |
| OAKHILL CORRECTIONAL INST | OREGON, WI | 1,096 | 19 | — |
| RIO WATERWORKS | RIO, WI | 1,095 | 69 | — |
| MCDONALDS NEWVILLE | EDGERTON, WI | 1,085 | 49 | — |
| GREENWOOD WATERWORKS | GREENWOOD, WI | 1,079 | 22 | — |
| TURTLE LAKE WATERWORKS | TURTLE LAKE, WI | 1,073 | 143 | — |
| DICKEYVILLE WATERWORKS | DICKEYVILLE, WI | 1,069 | 100 | — |
| ROBERT WILLIAM PARK WATER ASSOCIATION INC | MILWAUKEE, WI | 1,065 | 56 | — |