All water systems in Wisconsin
11,026 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Colonial Gardens Homes Fond Du Lac · Fond du Lac County |
48 | 5 | 0 | |
|
Concord 1 Fund LLC Mequon · Ozaukee County |
48 | 0 | 0 | |
|
Darling International Berlin · Green Lake County |
48 | 0 | 0 | |
|
Ephraim Yacht Club Ephraim · Door County |
48 | 2 | 0 | |
|
Forestry Center County |
48 | 2 | 1 | |
|
Green Acres Mobile Homes Fall Creek · Eau Claire County |
48 | 0 | 0 | |
|
Hale Park Professional Building Hales Corners · Milwaukee County |
48 | 0 | 0 | |
|
Hawg Heaven Bar Salem · Kenosha County |
48 | 0 | 0 | |
|
Hyde Store Ridgeway · Iowa County |
48 | 3 | 1 | |
|
JT Petroleum Mequon · Ozaukee County |
48 | 0 | 0 | |
|
Meadowview Village Apts Twin Lakes · Kenosha County |
48 | 2 | 1 | |
|
Monsanto Vegetables Research Office Deforest · Dane County |
48 | 0 | 0 | |
|
Monsanto Vegetables Research Corn Shop Deforest · Dane County |
48 | 0 | 0 | |
|
Morningstar Golfers Club Waukesha · Waukesha County |
48 | 0 | 0 | |
|
River Valley Apts North Ixonia · Jefferson County |
48 | 1 | 0 | |
|
River Valley Apts South Ixonia · Jefferson County |
48 | 1 | 0 | |
|
Rockwood Estates Minocqua · Oneida County |
48 | 1 | 0 | |
|
Sandlots of Salem Salem · Kenosha County |
48 | 0 | 0 | |
|
Silver Lake Dairy Queen Silver Lake · Kenosha County |
48 | 0 | 0 | |
|
Spankys Hideaway Mequon · Ozaukee County |
48 | 0 | 0 | |
|
Sulzer Machine & Manufacturing INC Mosinee · Marathon County |
48 | 0 | 0 | |
|
Treeland Resort White Pine Well Hayward · Sawyer County |
48 | 0 | 0 | |
|
Tri County Baptist Church Franklin · Milwaukee County |
48 | 0 | 0 | |
|
Wabash National Trailer Centers INC Mauston · Juneau County |
48 | 0 | 0 | |
|
Waukegan Bowmen Bristol · Kenosha County |
48 | 0 | 0 | |
|
Wells Street Tavern Delafield · Waukesha County |
48 | 0 | 0 | |
|
Williamsburg 206 Thiensville · Ozaukee County |
48 | 2 | 1 | |
|
Woodbridge Estates Madison · Dane County |
48 | 1 | 0 | |
|
Wulffs Island Sybaris Motel Mequon · Ozaukee County |
48 | 1 | 1 | |
|
Bank of New Glarus Gratiot Gratiot · Lafayette County |
47 | 0 | 0 | |
|
Cup of Joe Twin Lakes · Kenosha County |
47 | 0 | 0 | |
|
Custom Fiberglass Molding Weyauwega · Waupaca County |
47 | 0 | 0 | |
|
Door CO Coffee & Tea CO Sturgeon Bay · Door County |
47 | 1 | 0 | |
|
Inch Heights LLC Poynette · Columbia County |
47 | 0 | 0 | |
|
J RS Pub Milton · Rock County |
47 | 0 | 0 | |
|
Johnson Sales INC Arlington · Columbia County |
47 | 0 | 0 | |
|
Lake Joy House and Campground Belmont · Lafayette County |
47 | 0 | 0 | |
|
Lofty Pines Resort 1 St Germain · Vilas County |
47 | 0 | 0 | |
|
Lyghthouse LLC Platteville · Grant County |
47 | 0 | 0 | |
|
Necedah National Wildlife Refuge Visitor Center Necedah · Juneau County |
47 | 1 | 0 | |
|
Oconomowoc Lakes Plaza Oconomowoc · Waukesha County |
47 | 0 | 0 | |
|
Pineland Park 2 Wild Rose · Waushara County |
47 | 0 | 0 | |
|
Quinns Deerbrook · Langlade County |
47 | 0 | 0 | |
|
Spring Valley Inn Spring Green · Iowa County |
47 | 0 | 0 | |
|
Thirsty Cow Taphouse Baileys Harbor · Door County |
47 | 1 | 1 | |
|
Tres Jolie Solace Thiensville · Ozaukee County |
47 | 0 | 0 | |
|
U S Bank-Bayside Bayside · Milwaukee County |
47 | 1 | 1 | |
|
WI Dnr Stanton W Mead Info & ED Ctr Milladore · Marathon County |
47 | 1 | 0 | |
|
Butch & Annes Pine Grove Lanes Elkhart Lake · Sheboygan County |
46 | 0 | 0 | |
|
Christ Center Assembly of God Hudson · St. Croix County |
46 | 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.