All water systems in Wisconsin
11,026 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Scouting America Camp Long Lake 3 Campmasters House St Cloud · Fond du Lac County |
350 | 0 | 0 | |
|
Scouting America Camp Long Lake Dining Hall St Cloud · Fond du Lac County |
350 | 0 | 0 | |
|
ST Kilian Catholic Church Blenker · Wood County |
350 | 0 | 0 | |
|
Westfield Elementary Sch Westfield · Marquette County |
350 | 0 | 0 | |
|
WI Dnr Brunet Island N 1 Cornell · Chippewa County |
350 | 0 | 0 | |
|
WI Dnr Brunet Island N 2-Campgrd Cornell · Chippewa County |
350 | 0 | 0 | |
|
WI Dnr Brunet Island Office Cornell · Chippewa County |
350 | 2 | 1 | |
|
WI Dnr Brunet Island Picnic Cornell · Chippewa County |
350 | 0 | 0 | |
|
WI Dnr Crystal LK Cmpgd 12 Boulder Jct · Vilas County |
350 | 0 | 0 | |
|
WI Dnr Crystal LK Cmpgd 407 Boulder Jct · Vilas County |
350 | 0 | 0 | |
|
WI Dnr Crystal LK Cmpgd 9 Boulder Jct · Vilas County |
350 | 0 | 0 | |
|
WI Dnr Crystal LK Picnic 5 Boulder Jct · Vilas County |
350 | 1 | 1 | |
|
WI Dnr Muskellunge LK Cmpgd 13 Boulder Junction · Vilas County |
350 | 0 | 0 | |
|
WI Dnr Muskellunge LK Cmpgd 15 Boulder Junction · Vilas County |
350 | 0 | 0 | |
|
WI Dnr Muskellunge LK Cmpgd 329 Boulder Junction · Vilas County |
350 | 0 | 0 | |
|
WI Dnr Willow River Srvc Bldg Hudson · St. Croix County |
350 | 0 | 0 | |
|
Wild Rose Middle High Sch Wild Rose · Waushara County |
350 | 0 | 0 | |
|
Granton Waterworks Granton · Clark County |
349 | 1 | 0 | |
|
Pound Waterworks Pound · Marinette County |
349 | 4 | 0 | |
|
Curtiss Waterworks Curtiss · Clark County |
346 | 1 | 1 | |
|
Embarrass Waterworks Embarrass · Waupaca County |
346 | 6 | 0 | |
|
Friesland Waterworks Friesland · Columbia County |
345 | 3 | 0 | |
|
Norway EV Lutheran Church and Mustard Seed Preschool Wind Lake · Racine County |
345 | 0 | 0 | |
|
Winter Waterworks Winter · Sawyer County |
344 | 0 | 0 | |
|
Eastman Waterworks Eastman · Crawford County |
342 | 2 | 1 | |
|
Berkots Twin Lakes · Kenosha County |
340 | 2 | 2 | |
|
ST Johns Northwestern Academies Delafield · Waukesha County |
340 | 2 | 1 | |
|
Rosholt Elem School Rosholt · Portage County |
338 | 1 | 0 | |
|
Lowell Waterworks Lowell · Dodge County |
337 | 2 | 1 | |
|
Lakewood Supervalu Lakewood · Oconto County |
335 | 0 | 0 | |
|
Hawkins Waterworks Hawkins · Rusk County |
333 | 2 | 0 | |
|
Cedar Lake Home 5 West Bend · Washington County |
330 | 3 | 1 | |
|
Fairbanks Morse Engine Div Beloit · Rock County |
330 | 2 | 1 | |
|
Lannoye Elementary School Green Bay · Brown County |
330 | 0 | 0 | |
|
Shoreland Lutheran High School Kenosha · Kenosha County |
330 | 3 | 1 | |
|
Scouting America Camp Long Lake 2 South Shower House St Cloud · Fond du Lac County |
325 | 0 | 0 | |
|
Tan Oak Apts Twin Lakes · Kenosha County |
325 | 3 | 2 | |
|
The Chapel Whitewater Whitewater · Walworth County |
325 | 0 | 0 | |
|
University Lake Lower School Hartland · Waukesha County |
325 | 1 | 1 | |
|
Weasler Engineering Kewaskum · Washington County |
325 | 1 | 0 | |
|
Wheatland Center School Addition Middle School Burlington · Kenosha County |
325 | 0 | 0 | |
|
Trinity Lutheran CH Sheboygan · Sheboygan County |
323 | 0 | 0 | |
|
Birch Hill County |
322 | 3 | 0 | |
|
Herzl Camp Hak 1 West Bathroom Webster · Burnett County |
322 | 0 | 0 | |
|
Herzl Camp Hak 2 East Bathroom Webster · Burnett County |
322 | 0 | 0 | |
|
Rosendale Mart Rosendale · Fond du Lac County |
322 | 0 | 0 | |
|
Silo Ridge Clubhouse Fort Atkinson · Jefferson County |
322 | 0 | 0 | |
|
Fourwinds Market Gas Station Siren · Burnett County |
321 | 0 | 0 | |
|
Fourwinds Market Grocery Store Siren · Burnett County |
321 | 0 | 0 | |
|
Richland Center Intermediate School Richland Center · Richland County |
321 | 1 | 0 |
About this data
Rules violated counts the rules a system was in violation of in the past three years, including monitoring and reporting lapses; one rule can carry several violations. Unresolved is the number of those rules currently in violation at EPA's latest data refresh.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Wisconsin records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.