Public Water Systems
10,988 active water systems in WI.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| ITHACA PUBLIC SCHOOL K-12 | RICHLAND CENTER, WI | 700 | 4 | — |
| DURHAM MEADOWS WATER TRUST | MUSKEGO, WI | 700 | 3 | — |
| OLIN-SANG-RUBY UNION INSTITUTE - DINING HALL | OCONOMOWOC, WI | 700 | 29 | — |
| BIRCH TERRACE MOBILE HOME COMMUNITY | FARMINGTON HILLS, WI | 700 | 14 | — |
| BROOKWOOD HIGH SCHOOL | ONTARIO, WI | 700 | 8 | — |
| NORTHWOODS INN | Pickerel, WI | 700 | 14 | — |
| HOLY ROSARY CATHOLIC CHURCH | Wisconsin Rapids, WI | 700 | 24 | — |
| RIDGEWAY WATERWORKS | RIDGEWAY, WI | 690 | 245 | — |
| BLOOMINGTON WATERWORKS | BLOOMINGTON, WI | 682 | 23 | Clean |
| VIOLA WATERWORKS | Viola, WI | 667 | 74 | — |
| ROLLING HILLS ELEMENTARY SCHL | MUKWONAGO, WI | 666 | 8 | — |
| WHEATLAND CENTER SCHOOL | BURLINGTON, WI | 665 | 30 | — |
| WI DNR LAKE WISSOTA B BLDG | MADISON, WI | 665 | 11 | — |
| WI DNR LAKE WISSOTA SHOP | MADISON, WI | 665 | 25 | — |
| WI DNR LAKE WISSOTA WELCOME CENTER | MADISON, WI | 665 | 0 | — |
| LIVINGSTON WATERWORKS | LIVINGSTON, WI | 664 | 119 | — |
| LAKE MILLS TRAVEL PLAZA | AVON, WI | 662 | 6 | — |
| MADISON COUNTRY DAY SCHOOL | WAUNAKEE, WI | 660 | 193 | — |
| PRENTICE WATERWORKS | PRENTICE, WI | 660 | 137 | — |
| RANDALL SCHOOL | BURLINGTON, WI | 658 | 25 | — |
| HOBART WATERWORKS S A 3 | HOBART, WI | 658 | 20 | — |
| RACINE BIBLE CHURCH | STURTEVANT, WI | 657 | 0 | — |
| WAUKESHA BIBLE CHURCH | WAUKESHA, WI | 654 | 0 | — |
| NORWALK WATERWORKS | Norwalk, WI | 653 | 32 | — |
| ROSE GLEN ELEMENTARY | WAUKESHA, WI | 652 | 50 | — |
| WEBSTER WATERWORKS | WEBSTER, WI | 652 | 57 | — |
| ROCK RIVER LEISURE ESTATES COOP | EDGERTON, WI | 650 | 24 | — |
| GREENLEAF WATERWORKS | GREENLEAF, WI | 650 | 44 | — |
| STOCKBRIDGE WATERWORKS | STOCKBRIDGE, WI | 650 | 5 | — |
| WI DOT REST AREA 31 & INFO CENTER LACROSSE | MADISON, WI | 650 | 12 | — |
| SCOUTING AMERICA CAMP MKJW EAST CAMP 1 | PEARSON, WI | 650 | 0 | — |
| MINOCQUA HAZELHURST ELEM SCH | Minocqua, WI | 650 | 30 | — |
| ROCKLAND WATERWORKS | Rockland, WI | 642 | 38 | — |
| AMER BAPTIST ASSEM MAIN | GREEN LAKE, WI | 640 | 81 | — |
| CAMP DOUGLAS WATERWORKS | Camp Douglas, WI | 640 | 45 | — |
| AVOCA WATERWORKS | AVOCA, WI | 637 | 88 | — |
| DAYSPRING BAPTIST CHURCH INC | PEWAUKEE, WI | 636 | 0 | — |
| COCHRANE FOUNTAIN CITY SCHOOL | Fountain City, WI | 635 | 16 | — |
| ELEVA WATERWORKS | Eleva, WI | 635 | 360 | — |
| BROWNSVILLE WATERWORKS | BROWSVILLE, WI | 630 | 42 | — |
| GIBRALTAR HIGH SCHOOL | FISH CREEK, WI | 628 | 101 | — |
| LAKE COUNTRY SCHOOL | HARTFORD, WI | 623 | 110 | — |
| CALVARY COMMUNITY CHURCH ORIGINAL BLDG 1972 | WILLIAMS BAY, WI | 620 | 9 | — |
| LACONIA HIGH SCHOOL AND MIDDLE SCHOOL | ROSENDALE, WI | 620 | 40 | — |
| BRUCE WATERWORKS | BRUCE, WI | 620 | 85 | — |
| BLUEMKES BP | Rosendale, WI | 616 | 10 | — |
| WI DNR DEVILS LAKE QUARTZITE CAMPGROUND | BARABOO, WI | 615 | 0 | — |
| MEQUON TRAIL TOWNHOMES | MEQUON, WI | 615 | 37 | — |
| KINNEY LAKE CMPGD SITE 701 | STEVENS POINT, WI | 615 | 11 | — |
| OLIVIA TELSCHOW LLC | EDGAR, WI | 612 | 0 | — |