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 |
| Wsi 8520 & 8525 Martin Dr | Neenah, WI | 60 | 0 | - |
| Mels Lakeshore Resort Bar | Chetek, WI | 60 | 6 | - |
| Luther Park Bible Camp Pool and Cabins | Chetek, WI | 60 | 6 | - |
| Stanfold Lutheran Church | Rice Lake, WI | 60 | 0 | - |
| Ridgeland Elementary School | Barron, WI | 60 | 10 | - |
| St Boniface Parochial School | Waumandee, WI | 60 | 131 | - |
| Grove Golf Course | Buffalo City, WI | 60 | 43 | - |
| Mallard Resort 2 - Cabins | Chippewa Falls, WI | 60 | 0 | - |
| Pines Bar & Ballroom | Bloomer, WI | 60 | 0 | - |
| Wissota High Shores Supper Club | Neenah, WI | 60 | 21 | - |
| River Jams | Chippewa Falls, WI | 60 | 16 | - |
| River Country Coop - New Auburn | Chippewa Falls, WI | 60 | 9 | - |
| Teds Timberlodge Resort - East Cmpg & Cabin 8 | Holcombe, WI | 60 | 0 | - |
| Mr Eds II | Fairchild, WI | 60 | 8 | - |
| Zion American Lutheran Church | Granton, WI | 60 | 25 | - |
| Sugar Cr Bible Cp - Manna Ctr | Ferryville, WI | 60 | 0 | - |
| Falling Rock Upper Campground | Eastman, WI | 60 | 12 | - |
| Rock Creek Lutheran Church | Mondovi, WI | 60 | 23 | - |
| Elk Point Resort Tavern | Colfax, WI | 60 | 3 | - |
| River Villa Mobile Home Court | Colfax, WI | 60 | 53 | - |
| Berghs Mobile Home Park | Colfax, WI | 60 | 27 | - |
| Fellowship Alliance Church | Eau Claire, WI | 60 | 0 | - |
| Dicks on 12 | Mondovi, WI | 60 | 0 | - |
| Westgate Trap House | Eau Claire, WI | 60 | 0 | - |
| WI DNR Brsf Smrekar Trail | Black River Falls, WI | 60 | 4 | - |
| Jamies Last Resort LLC | Osseo, WI | 60 | 0 | - |
| Ncn North LLC Back Campground Well | Black River Falls, WI | 60 | 27 | - |
| McSweets Irish Pub | Black River Falls, WI | 60 | 0 | - |
| Northern Family Farms Mexicali Housing Well | Merrillan, WI | 60 | 0 | - |
| Stella-Jones - Office | Bangor, WI | 60 | 34 | - |
| Neshonoc Lakeside Cmpgd Office/Store | Chicago, WI | 60 | 5 | - |
| St Peters Catholic Church | Rockland, WI | 60 | 0 | - |
| Neshonoc Lakeside Cmpgd Upper | Chicago, WI | 60 | 0 | - |
| Neshonoc Lakeside Cmpgd Lower | Chicago, WI | 60 | 0 | - |
| Big Dans Longbranch | Sparta, WI | 60 | 42 | - |
| Whispering Pines MHP | Colfax, WI | 60 | 17 | - |
| Lone Pine Tavern | Mondovi, WI | 60 | 0 | - |
| Svea Lutheran Church | Hager City, WI | 60 | 10 | - |
| 29 Express | Spring Valley, WI | 60 | 3 | - |
| Honey Hole Tavern The | Beldenville, WI | 60 | 8 | - |
| Harbor Bar | Hager City, WI | 60 | 12 | - |
| Lake Wapogasset Luth Bible Camp 3 | Amery, WI | 60 | 0 | - |
| Trinity Lutheran McKinley | Cumberland, WI | 60 | 0 | - |
| Moe Lutheran Church | Clear Lake, WI | 60 | 2 | - |
| Zion Lutheran Church Bone Lk | Frederic, WI | 60 | 6 | - |
| Carebare Daycare | Osceola, WI | 60 | 9 | - |
| Baer Manufacturing | Bloomington, WI | 60 | 10 | - |
| Doboys Bar & Grill | Star Prairie, WI | 60 | 3 | - |
| American Legion Club Post 111 | Somerset, WI | 60 | 5 | - |
| Badlands Golf Course | Roberts, WI | 60 | 7 | - |