All water systems in Wisconsin
9,089 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Little Norway Lutheran Church Black River Falls · Jackson County |
30 | 0 | 0 | |
|
Lookout the Arcadia · Buffalo County |
30 | 1 | 0 | |
|
Loony Bin Bar and Grill Conrath · Rusk County |
30 | 0 | 0 | |
|
Louisiana Pacific Corporation Scale Office Hayward · Sawyer County |
30 | 0 | 0 | |
|
Lund Mission Covenant Church Stockholm · Pepin County |
30 | 0 | 0 | |
|
Luther Point Bible Camp Lodge Grantsburg · Burnett County |
30 | 0 | 0 | |
|
Lynx Lake Lodge Presque Isle · Vilas County |
30 | 0 | 0 | |
|
Maple Bear Campground Bar and Grill Tomahawk · Lincoln County |
30 | 0 | 0 | |
|
Maple Grove Bible Church Stanley · Chippewa County |
30 | 0 | 0 | |
|
Marvelous Mikes Mini Golf Bruce · Rusk County |
30 | 1 | 1 | |
|
Maxs on the Lake New Auburn · Chippewa County |
30 | 1 | 1 | |
|
Mayflower Lake Resort Birnamwood · Marathon County |
30 | 0 | 0 | |
|
Menomonee River Parkway Comfort House Milwaukee · Milwaukee County |
30 | 0 | 0 | |
|
Menomonie Rifle and Pistol Club Menomonie · Dunn County |
30 | 0 | 0 | |
|
Metonga Shores 1 Crandon · Forest County |
30 | 0 | 0 | |
|
Metonga Shores 2 Crandon · Forest County |
30 | 0 | 0 | |
|
Metonga Shores 4 Crandon · Forest County |
30 | 0 | 0 | |
|
Midway Pub Potosi · Grant County |
30 | 2 | 1 | |
|
Minocqua Dance Minocqua · Oneida County |
30 | 0 | 0 | |
|
Moen Lake Campground and Resort Area 2 Rhinelander · Oneida County |
30 | 0 | 0 | |
|
Monroe Municipal Airport Monroe · Green County |
30 | 0 | 0 | |
|
Mountain Springs Cmpgd Suring · Oconto County |
30 | 0 | 0 | |
|
MT la Crosse Lodge Well La Crosse · La Crosse County |
30 | 0 | 0 | |
|
Muskie River Lodge Tomahawk · Lincoln County |
30 | 0 | 0 | |
|
Nagawaukee PK Office W9 Delafield · Waukesha County |
30 | 0 | 0 | |
|
Narrows Oasis Resort LLC Bar and Grill Chetek · Rusk County |
30 | 0 | 0 | |
|
Narrows Oasis Resort LLC Campground Chetek · Rusk County |
30 | 0 | 0 | |
|
Neighbors Hood Northwoods Resort Three Lakes · Oneida County |
30 | 0 | 0 | |
|
Nelsens Hall & Bitters Pub Wash Island · Door County |
30 | 1 | 1 | |
|
Neshkoro Public Library Neshkoro · Marquette County |
30 | 0 | 0 | |
|
Nicolet National Bank Egg Harbor Branch Egg Harbor · Door County |
30 | 1 | 0 | |
|
North Running Valley Lutheran Church Colfax · Chippewa County |
30 | 0 | 0 | |
|
Northwood Shores Rice Lake · Barron County |
30 | 0 | 0 | |
|
Northwoods Motel Ladysmith · Rusk County |
30 | 0 | 0 | |
|
Not Just a Diner St Croix Falls · Polk County |
30 | 1 | 1 | |
|
Nowhere Fredonia · Ozaukee County |
30 | 1 | 1 | |
|
Oak Shores Club Fontana · Walworth County |
30 | 2 | 1 | |
|
Offroad Bar & Grill Fairchild · Jackson County |
30 | 0 | 0 | |
|
Oneida CO Enterprise Cpgd 1 East Well Rhinelander · Oneida County |
30 | 0 | 0 | |
|
Oneida CO Enterprise Cpgd 2 West Well Rhinelander · Oneida County |
30 | 0 | 0 | |
|
Ottawa Town Park Dousman · Waukesha County |
30 | 0 | 0 | |
|
Oxford VFW Post 6003 Oxford · Marquette County |
30 | 1 | 1 | |
|
Oxford Village Hall Oxford · Marquette County |
30 | 0 | 0 | |
|
Pea Pickin Flea Market St Croix Falls · Polk County |
30 | 0 | 0 | |
|
Pecks Corner, LLC Cashton · Monroe County |
30 | 1 | 1 | |
|
Peers Bar St Croix Falls · Polk County |
30 | 0 | 0 | |
|
Pharo Marine Waunakee · Dane County |
30 | 0 | 0 | |
|
Pier Rockbridge County Park Rockbridge · Richland County |
30 | 0 | 0 | |
|
Pine Grove Pub Pickerel · Forest County |
30 | 0 | 0 | |
|
Pine Grove Resort Pickerel · Forest County |
30 | 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.