All water systems in Wisconsin
11,026 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Country Mart Richfield · Washington County |
320 | 0 | 0 | |
|
Leroy Sanitary District 1 Leroy · Dodge County |
320 | 4 | 1 | |
|
Milwaukee Country Club Clubhouse Milwaukee · Milwaukee County |
320 | 0 | 0 | |
|
Olins Juda Oasis Juda · Green County |
320 | 1 | 1 | |
|
Recreacres MHC LLC Stevens Point · Portage County |
320 | 3 | 2 | |
|
Road America Turn 1 Well Plymouth · Sheboygan County |
320 | 0 | 0 | |
|
Silver Springs Campsites Hilltop Well Rio · Columbia County |
320 | 0 | 0 | |
|
Silver Springs Campsites Office and Pool Rio · Columbia County |
320 | 0 | 0 | |
|
Tower Junction Montfort · Iowa County |
320 | 0 | 0 | |
|
Merrill Hills Country Club Waukesha · Waukesha County |
319 | 0 | 0 | |
|
Rivermoor Golf Club Waterford · Racine County |
319 | 0 | 0 | |
|
Oakdale Waterworks Oakdale · Monroe County |
317 | 2 | 0 | |
|
Wheeler Waterworks Assoc Wheeler · Dunn County |
317 | 5 | 2 | |
|
Alma Public School Alma · Buffalo County |
316 | 1 | 1 | |
|
Cimarolis Supper Club Portage · Columbia County |
316 | 0 | 0 | |
|
Lincoln Hills School Irma · Lincoln County |
316 | 0 | 0 | |
|
HB Performance Systems INC Mequon · Ozaukee County |
315 | 0 | 0 | |
|
House on the Rock Winter Well Spring Green · Iowa County |
315 | 0 | 0 | |
|
Northernaire Sanitary District Three Lakes · Oneida County |
315 | 4 | 0 | |
|
Viking Village Campground & Resort North Stoughton · Dane County |
315 | 0 | 0 | |
|
Wilderness Crossing Travel Cntr Wittenberg · Shawano County |
313 | 3 | 0 | |
|
Mulligans Irish Pub & Grill Franklin · Milwaukee County |
312 | 0 | 0 | |
|
Old World Wisconsin Clausing Barn W1 Eagle · Waukesha County |
312 | 0 | 0 | |
|
Agave Azul Eagle River · Vilas County |
311 | 0 | 0 | |
|
Buddys River Resort Sauk City · Dane County |
310 | 0 | 0 | |
|
Eastmound Center Waukesha · Waukesha County |
310 | 0 | 0 | |
|
Immanuel Lutheran Church & Sch Mayville · Dodge County |
310 | 0 | 0 | |
|
Ixonia Elementary School Ixonia · Jefferson County |
310 | 1 | 0 | |
|
Juda Public School Juda · Green County |
310 | 0 | 0 | |
|
LA Casita Twin Lakes · Kenosha County |
310 | 0 | 0 | |
|
Middle Village County |
310 | 0 | 0 | |
|
Sendiks Elm Grove · Waukesha County |
310 | 0 | 0 | |
|
Minikani YMCA Camp Dining Lodge Hubertus · Washington County |
309 | 0 | 0 | |
|
Minikani YMCA Camp Explorer Unit Hubertus · Washington County |
309 | 1 | 0 | |
|
Minikani YMCA Camp Horse Barn Hubertus · Washington County |
309 | 0 | 0 | |
|
Minikani YMCA Camp Pioneer Unit Hubertus · Washington County |
309 | 0 | 0 | |
|
Minikani YMCA Camp Trail Blazer Hubertus · Washington County |
309 | 0 | 0 | |
|
Loft Fish Creek · Door County |
308 | 0 | 0 | |
|
Portview Church Port Washington · Ozaukee County |
308 | 0 | 0 | |
|
Quick Stop Stoughton · Dane County |
308 | 0 | 0 | |
|
Rons Market Helenville · Jefferson County |
308 | 0 | 0 | |
|
Whitnall Park Golf Course Clubhouse Hales Corners · Milwaukee County |
308 | 0 | 0 | |
|
Lumber Inn Delafield · Waukesha County |
307 | 0 | 0 | |
|
Pipe Express Malone · Fond du Lac County |
307 | 0 | 0 | |
|
West Bend Lakes Golf & Recreation West Bend · Washington County |
307 | 0 | 0 | |
|
Camp Wawbeek Respite Camp Lodge Wisconsin Dells · Columbia County |
306 | 0 | 0 | |
|
Camp Wawbeek Respite Camp Rec Center Wisconsin Dells · Columbia County |
306 | 0 | 0 | |
|
Camp Wawbeek Nature Center Main Well Wisconsin Dells · Columbia County |
306 | 0 | 0 | |
|
Chaseburg Waterworks Village of Chaseburg · Vernon County |
306 | 0 | 0 | |
|
Hookers Resort Poynette · Columbia County |
306 | 0 | 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.