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 |
| Hoochies River Road Resort | Lynxville, WI | 30 | 3 | - |
| Hay River Lutheran Church | Wheeler, WI | 30 | 5 | - |
| Ridgeland Village Park | Ridgeland, WI | 30 | 6 | - |
| St Josephs Catholic Church | Mondovi, WI | 30 | 8 | - |
| B & B Weston Bar & Grill | Menomonie, WI | 30 | 30 | - |
| Rock Falls Baptist Church | Mondovi, WI | 30 | 29 | - |
| Eau Galle Saloon and Grille LLC | Durand, WI | 30 | 27 | - |
| Dunn Energy Coop | Menomonie, WI | 30 | 37 | - |
| Colfax Sportsmens Club | Menomonie, WI | 30 | 0 | - |
| Menomonie Rifle and Pistol Club | Menomonie, WI | 30 | 0 | - |
| Drammen Lutheran Church | M0ndovi, WI | 30 | 0 | - |
| Prince of Peace Covenant Church | Mondovi, WI | 30 | 8 | - |
| Black Creek Campground | Fairchild, WI | 30 | 5 | - |
| Black Creek Cmpgd East | Fairchild, WI | 30 | 0 | - |
| KOA Hixton-Alma Center Cmpgd - Nth Well | Alma Center, WI | 30 | 0 | - |
| Freddies Bar | Melrose, WI | 30 | 44 | - |
| Hixton Rod & Gun Club Park | Hixton, WI | 30 | 18 | - |
| Offroad Bar & Grill | Fairchild, WI | 30 | 28 | - |
| Little Norway Lutheran Church | Black River Falls, WI | 30 | 30 | - |
| Thunderbird Village & Lodge | Merrillan, WI | 30 | 0 | - |
| Lax Co Goose Is Pk Shelter 4 | La Crosse, WI | 30 | 6 | - |
| Lax Co Goose Is Artesian Well | La Crosse, WI | 30 | 2 | - |
| Drugans Supper Club | Holmen, WI | 30 | 2 | - |
| Haldemans Hilltop Tavern | Holmen, WI | 30 | 16 | - |
| Likelee Spot The | Bangor, WI | 30 | 31 | - |
| Hylandale Academy | Rockland, WI | 30 | 16 | - |
| Mt la Crosse - Lodge Well | La Crosse, WI | 30 | 0 | - |
| Jolivette Family Farm | West Salem, WI | 30 | 0 | - |
| Pecks Corner, LLC | Cashton, WI | 30 | 23 | - |
| Zone The | Sparta, WI | 30 | 39 | - |
| Woods Edge Campground | Tomah, WI | 30 | 8 | - |
| Smart Sand Inc - Maintenance Shop | Yardley, WI | 30 | 0 | - |
| Lund Mission Covenant Church | Stockholm, WI | 30 | 17 | - |
| David Motel | Ellsworth, WI | 30 | 0 | - |
| Eidsvold Lutheran Church | Bay City, WI | 30 | 2 | - |
| Tabor Lutheran Church | Bay City, WI | 30 | 6 | - |
| 715 Steer and Beer | River Falls, WI | 30 | 11 | - |
| Bluffs Hager City | Ellsworth, WI | 30 | 10 | - |
| Ducks Sports Bar & Grill | Amery, WI | 30 | 0 | - |
| Sherrards Resort South Campground | Luck, WI | 30 | 26 | - |
| Cameron Bridge Campground Bath House | Amery, WI | 30 | 35 | - |
| Peers Bar | St Croix Falls, WI | 30 | 3 | - |
| Not Just a Diner | St Croix Falls, WI | 30 | 31 | - |
| Pea Pickin Flea Market | Luck, WI | 30 | 15 | - |
| Highway Hideout | Amery, WI | 30 | 69 | - |
| Laurel Supper Club | Glenwood City, WI | 30 | 8 | - |
| Shotgun Suzies Saloon | Houlton, WI | 30 | 26 | - |
| Vinnys Sports Bar & Grill | New Richmond, WI | 30 | 11 | - |
| Burkwood Treatment Center | Franklin, WI | 30 | 0 | - |
| Alcivia New Richmond Agronomy | Cottage Grove, WI | 30 | 0 | - |