All water systems in Wisconsin
9,089 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
First Presbyterian CH Oxford Oxford · Marquette County |
70 | 2 | 0 | |
|
Hoofbeat Ridge Bunk House and Mess Hall Mazomanie · Dane County |
70 | 0 | 0 | |
|
Horicon Marsh Sportsmens Club, INC of Mayville Mayville · Dodge County |
70 | 0 | 0 | |
|
Horseshoe Bay Golf Public Egg Harbor · Door County |
70 | 2 | 1 | |
|
IN the Pines Low Cap Well Lyndon Station · Juneau County |
70 | 0 | 0 | |
|
J&t Back 40 Bloomer · Chippewa County |
70 | 0 | 0 | |
|
Lofty Pines RV Park St Germain · Vilas County |
70 | 0 | 0 | |
|
Low Down Saloon Elk Mound · Chippewa County |
70 | 0 | 0 | |
|
Lucys Hideaway Milton · Rock County |
70 | 0 | 0 | |
|
Madeline Island Music Camp Center Well La Pointe · Ashland County |
70 | 0 | 0 | |
|
Mallard Resort 1 -Bar Chippewa Falls · Chippewa County |
70 | 0 | 0 | |
|
Migrant Labor Camp 396 Plainfield · Waushara County |
70 | 0 | 0 | |
|
Mogasheen Resort Cable · Bayfield County |
70 | 1 | 0 | |
|
Nortera Foods Camp 194 Fairwater · Fond du Lac County |
70 | 0 | 0 | |
|
Nortera Foods Camp 194 2-Dining Facility Fairwater · Fond du Lac County |
70 | 0 | 0 | |
|
North Coon Prairie Luth Church Westby · Vernon County |
70 | 0 | 0 | |
|
Northport Ferry Terminal Northport · Door County |
70 | 2 | 1 | |
|
ON the Rox Sauk City · Dane County |
70 | 0 | 0 | |
|
Premier Livestock Auction/souper Sandwich Withee · Clark County |
70 | 0 | 0 | |
|
Primal Eats LLC Gillett · Oconto County |
70 | 0 | 0 | |
|
Rockford House Sarona · Washburn County |
70 | 0 | 0 | |
|
Shady Oaks Cmpgd Well Near Front Gate Markesan · Green Lake County |
70 | 0 | 0 | |
|
Shady Oaks Cmpgd Well Near Mgrs Trailer Markesan · Green Lake County |
70 | 0 | 0 | |
|
Sister Bay Moravian CH Sister Bay · Door County |
70 | 1 | 1 | |
|
Skol Haus Frederic · Polk County |
70 | 0 | 0 | |
|
ST Johns EV Lutheran CH Kingston · Green Lake County |
70 | 2 | 0 | |
|
Sunset Supper Club Westfield · Marquette County |
70 | 0 | 0 | |
|
Sweeneys Y-Go-By Cornell · Chippewa County |
70 | 0 | 0 | |
|
Sweetwater Spirits & Resort Eagle River · Vilas County |
70 | 0 | 0 | |
|
Top of the Hill Shops Fish Creek · Door County |
70 | 0 | 0 | |
|
WI Dnr Kmsfnu Mauthe LK Upper 500s Campbellsport · Fond du Lac County |
70 | 0 | 0 | |
|
Wwt VI LLC St Croix Falls · Polk County |
70 | 1 | 1 | |
|
Zion Lutheran Church Ashippun · Dodge County |
70 | 0 | 0 | |
|
Applecreek Resort Fish Creek · Door County |
69 | 0 | 0 | |
|
Bayside Tavern Fish Creek · Door County |
68 | 2 | 1 | |
|
Camp Vista Writers Lodge Campbellsport · Fond du Lac County |
68 | 0 | 0 | |
|
Castle Rock CO Park-East Well Friendship · Adams County |
68 | 0 | 0 | |
|
Destefanis Group LLC Elm Grove · Waukesha County |
68 | 0 | 0 | |
|
Dodge CO Derge Park Hand Pump Beaver Dam · Dodge County |
68 | 0 | 0 | |
|
Dodge CO Derge Park Shelter Well Beaver Dam · Dodge County |
68 | 0 | 0 | |
|
Edgewaters Pewaukee · Waukesha County |
68 | 0 | 0 | |
|
Little Store in the Country the Beloit · Rock County |
68 | 0 | 0 | |
|
Migrant Camp 929 Lauer Farms Wautoma · Waushara County |
68 | 1 | 1 | |
|
Shore Haven Lake Assn Fontana · Walworth County |
68 | 0 | 0 | |
|
The Landing County |
68 | 1 | 0 | |
|
U S F W S Horicon Hdqrts Bldg Mayville · Dodge County |
68 | 1 | 0 | |
|
Lakehouse Bar & Grill Plymouth · Sheboygan County |
67 | 1 | 1 | |
|
Anchor Woods Campground Spooner · Washburn County |
66 | 0 | 0 | |
|
Bethany Lutheran Church Brodhead · Rock County |
66 | 0 | 0 | |
|
Chippewa River Cmpgd Cornell · Chippewa County |
66 | 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.