Public Water Systems
10,988 active public water systems in WI, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Lapointe Elementary Library and Clinic | Bayfield, WI | 40 | 49 | - |
| Top O the Morn Resort | Iron River, WI | 40 | 4 | - |
| Benoit Lake Campground North | Spooner, WI | 40 | 25 | - |
| Benoit Lake Campground South | Spooner, WI | 40 | 0 | - |
| Ben Franklin | Siren, WI | 40 | 0 | - |
| Benoit Lake Campground Shower House | Spooner, WI | 40 | 0 | - |
| Wild River Outfitters | Grantsburg, WI | 40 | 0 | - |
| Deerwood Lodge | Lac Du Flambeau, WI | 40 | 7 | - |
| Catawba Feed and Food Supply | Catawba, WI | 40 | 49 | - |
| Rock Garden Tavern | Phillips, WI | 40 | 32 | - |
| Eagle View RV Camp | Chetek, WI | 40 | 0 | - |
| Winterhaven 3 Boot Lake Well | Ladysmith, WI | 40 | 0 | - |
| Mama Roppes Railside | Birchwood, WI | 40 | 0 | - |
| Bear Paw Resort North Campground | Birchwood, WI | 40 | 8 | - |
| Holy Assumption Church | Lublin, WI | 40 | 59 | - |
| Maple Terrace Resort Fish Houses | Westby, WI | 40 | 0 | - |
| Christ Lutheran Church | Trego, WI | 40 | 17 | - |
| Koenecke Ford Mercury | Reedsburg, WI | 39 | 668 | - |
| Five Corners Dodge | Cedarburg, WI | 39 | 407 | - |
| Sb Olson Properties | Wind Lake, WI | 39 | 2 | - |
| Dbp Petroleum C LLC | Union Grove, WI | 39 | 8 | - |
| Michael Todds | Delavan, WI | 39 | 14 | - |
| Merton Town Library | North Lake, WI | 39 | 26 | - |
| Gibraltar Noble House & Annex | Fish Creek, WI | 39 | 0 | - |
| Hotel Washington & Studios | Washington Island, WI | 39 | 89 | - |
| Patio LLC and One Star Burgers LLC | Sister Bay, WI | 39 | 11 | - |
| Mezzanine | Rothschild, WI | 39 | 130 | - |
| Curve in Bar | Tomahawk, WI | 39 | 5 | - |
| Lake of the Woods Back Bath House | Chicago, WI | 39 | 13 | - |
| Meadowbrook Mobile Home Park | Stevens Point, WI | 39 | 41 | - |
| Kisiolek Eye Center | Howards Grove, WI | 39 | 0 | - |
| Sand Haven Cmpgd Lodge | New Auburn, WI | 39 | 0 | - |
| Coulee Manor Trailer Park | Stevens Point, WI | 39 | 366 | - |
| Iron Oak Energy Wyeville Plant | Tomah, WI | 39 | 6 | - |
| Iron Oak Energy Wyeville Dry Plant | Tomah, WI | 39 | 52 | - |
| YMCA Camp Pepin - Lodge | Red Wing, WI | 39 | 6 | - |
| Hidden Acres Mobile Pk 2 | Plainfield, WI | 39 | 64 | - |
| R Bar | Cross Plains, WI | 38 | 4 | - |
| Shed The | Deforest, WI | 38 | 10 | - |
| Bank of Deerfield | Deerfield, WI | 38 | 0 | - |
| Dodge Co Airport | Juneau, WI | 38 | 0 | - |
| Waas Boring & Cable Inc | Lomira, WI | 38 | 28 | - |
| Pepsi Beverage Co, Beaver Dam | Beaver Dam, WI | 38 | 11 | - |
| Tri-County Motel | Whitewater, WI | 38 | 8 | - |
| Skellys Farm Market LLC | Janesville, WI | 38 | 13 | - |
| Old Schoolhouse Special Events | Baraboo, WI | 38 | 21 | - |
| International Crane Foundation Office | Baraboo, WI | 38 | 0 | - |
| River Springs Apartments LLC | Milwaukee, WI | 38 | 153 | - |
| Mga Research Corp | Burlington, WI | 38 | 443 | - |
| Candys Pub | West Bend, WI | 38 | 25 | - |