All water systems in Wisconsin
9,089 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
WI Dnr Merrick Entrance Station Fountain City · Buffalo County |
75 | 1 | 0 | |
|
WI Dnr Richard Bong Beach Bubbler Kansasville · Kenosha County |
75 | 3 | 0 | |
|
WI Dnr Sandhill Station Cmpgrd New Lake Mills · Jefferson County |
75 | 0 | 0 | |
|
WI Dnr Willow River Cmpgd 100 Hudson · St. Croix County |
75 | 0 | 0 | |
|
WI Dnr Wyalusing Indoor Group Camp Bagley · Grant County |
75 | 0 | 0 | |
|
WI Lions Camp 4 Rec Shelter Rosholt · Portage County |
75 | 0 | 0 | |
|
WI Lions Camp Memorial Building Rosholt · Portage County |
75 | 0 | 0 | |
|
Wilderness Inn Necedah · Juneau County |
75 | 0 | 0 | |
|
Woodland Camp Cabin Well Eagle River · Oneida County |
75 | 0 | 0 | |
|
Woodland Camp Lodge Well Eagle River · Oneida County |
75 | 0 | 0 | |
|
Yellow Lake Lutheran Church Webster · Burnett County |
75 | 0 | 0 | |
|
Zion EV Lutheran Church Evansville · Rock County |
75 | 0 | 0 | |
|
Chalet Shopping Center Richfield · Washington County |
74 | 0 | 0 | |
|
Cushing Community Center Cushing · Polk County |
74 | 0 | 0 | |
|
Howards Grove Chiropractic Howards Grove · Sheboygan County |
74 | 0 | 0 | |
|
Ozaukee Skateland Cedarburg · Ozaukee County |
74 | 0 | 0 | |
|
Regency Club Condominiums Kansasville · Racine County |
74 | 1 | 0 | |
|
Richfield Fire Station 1 Hubertus · Washington County |
74 | 0 | 0 | |
|
Southern Lakes Evangelical Free Church Elkhorn · Walworth County |
74 | 0 | 0 | |
|
ST Johns Lutheran Church Ixonia · Jefferson County |
74 | 0 | 0 | |
|
Towns End Pub & Grill Franksville · Racine County |
74 | 0 | 0 | |
|
Vetesnik Power Sports Richland Center · Richland County |
74 | 0 | 0 | |
|
Casserly Properties Ixonia · Jefferson County |
73 | 0 | 0 | |
|
Dillmans Bay Resort 2 Northshore Lac Du Flambeau · Vilas County |
73 | 1 | 0 | |
|
Green Door Cafe Delafield · Waukesha County |
73 | 0 | 0 | |
|
Wholly Cow Frozen Custard Delafield · Waukesha County |
73 | 0 | 0 | |
|
Alexanders Fish Creek · Door County |
72 | 2 | 1 | |
|
Camp Forest Springs Forest Hillside Westboro · Taylor County |
72 | 1 | 0 | |
|
Equity Coop Livestock Sales Assn Monroe · Green County |
72 | 0 | 0 | |
|
Mid-State Equipment Sauk Prairie Prairie Du Sac · Sauk County |
72 | 0 | 0 | |
|
Pine Drive Cmpgd Holcombe · Chippewa County |
72 | 0 | 0 | |
|
Ephraim Condominiums Ephraim · Door County |
71 | 0 | 0 | |
|
Erin Hills GC Village Clubhouse & Cottages Hartford · Washington County |
71 | 0 | 0 | |
|
Jcs Wind Lake Wind Lake · Racine County |
71 | 0 | 0 | |
|
Schiltz Properties Madison · Dane County |
71 | 0 | 0 | |
|
Anitas Cafe Spring Green · Sauk County |
70 | 0 | 0 | |
|
Apple River Community Church Amery · Polk County |
70 | 0 | 0 | |
|
Bank Five Nine Brown Street Oconomowoc · Waukesha County |
70 | 0 | 0 | |
|
Big Minnow Holcombe · Chippewa County |
70 | 0 | 0 | |
|
Calvary Covenant Church Grantsburg · Burnett County |
70 | 0 | 0 | |
|
Camp Norwid Kitchen Riverview Tn · Oconto County |
70 | 1 | 1 | |
|
Camp Tamarack Basile Retreat Ctr Waupaca · Waupaca County |
70 | 1 | 0 | |
|
Camp Tamarack John Gray Lodge Waupaca · Waupaca County |
70 | 0 | 0 | |
|
Chenequa Country Club Clubhouse Hartland · Waukesha County |
70 | 0 | 0 | |
|
Congregational United Church of Christ Cable · Bayfield County |
70 | 0 | 0 | |
|
Cross Country Bar and Grill Rhinelander · Oneida County |
70 | 0 | 0 | |
|
Crossing Community Church Genesee Depot · Waukesha County |
70 | 1 | 1 | |
|
Curtiss Street Bible Fellowship Mazomanie · Dane County |
70 | 0 | 0 | |
|
Equity Coop Livestock Sales Association Richland Center · Richland County |
70 | 1 | 1 | |
|
Expeditions Unltd Campground Baraboo · Sauk County |
70 | 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.