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 |
|---|---|---|---|---|
| Blanck's Lake Aire Inc. | Malone, WI | 118 | 6 | - |
| OH Snap Pickling Co | Appleton, WI | 118 | 0 | - |
| Sand Haven Cmpgd North | New Auburn, WI | 118 | 0 | - |
| Maiden Rock Water Utility | Maiden Rock, WI | 118 | 9 | - |
| Leders Pub N Grub | Randolph, WI | 117 | 0 | - |
| St Pauls Lutheran School | Ixonia, WI | 117 | 80 | - |
| Bezalel Christian Church | Colgate, WI | 117 | 5 | - |
| Green Oaks Mobile Home Court | Holmen, WI | 117 | 458 | - |
| Breezy Knoll Community | Cedaredge, WI | 116 | 30 | - |
| Yorkville United Methodist Church | Union Grove, WI | 116 | 5 | - |
| Fibbers Restaurant and Bar | St Germain, WI | 116 | 10 | - |
| Oak Tree Early Learning Center LLC | Arbor Vitae, WI | 116 | 12 | - |
| Wisconsin Academy Main Campus | Fall River, WI | 115 | 41 | - |
| Wollersheim Winery | Prairie Du Sac, WI | 115 | 0 | - |
| Dorf Haus | Sauk City, WI | 115 | 6 | - |
| Country Lodge | Sun Prairie, WI | 115 | 13 | - |
| Crave Brothers Farm LLC - Main System | Waterloo, WI | 115 | 14 | - |
| New Glarus - Juda Branch | Juda, WI | 115 | 0 | - |
| US Bank Mequon | Milwaukee, WI | 115 | 52 | - |
| Timber Lee Chris Ctr Scout RD Farmhouse | East Troy, WI | 115 | 12 | - |
| Pantheon Industries Inc | Nashotah, WI | 115 | 25 | - |
| Walgreens Store 2752 | Deerfield, WI | 115 | 0 | - |
| Ironwood Golf Course | Sussex, WI | 115 | 4 | - |
| 803 Genesee St | Delafield, WI | 115 | 17 | - |
| Zion Lutheran Sch Morrison | Greenleaf, WI | 115 | 18 | - |
| Station 44 | Beaver Dam, WI | 115 | 17 | - |
| Paradise Pines | Neshkoro, WI | 115 | 8 | - |
| Dammas Diner | Friendship, WI | 115 | 0 | - |
| Crossroads Family Care Center | Portage, WI | 115 | 8 | - |
| Ntc Vet Tech Lab | Wausau, WI | 115 | 2 | - |
| Hartzell Subdivision - Abbey Lane | La Pointe, WI | 115 | 0 | - |
| Bistram Mobile Home Park | Grantsburg, WI | 115 | 8 | - |
| Ixonia Bank | Ixonia, WI | 114 | 3 | - |
| Quality Inn | Edgerton, WI | 114 | 0 | - |
| Macready Artisan Bread Co | Egg Harbor, WI | 114 | 101 | - |
| Paddys Pizza Pub N Restaurant | Eden, WI | 114 | 11 | - |
| Lake of the Woods Cmpgd Campsites Only | Chicago, WI | 114 | 17 | - |
| Sand Haven Cmpgd South | New Auburn, WI | 114 | 12 | - |
| Mountain Faith Church | Lake Delton, WI | 113 | 0 | - |
| Anchorage Cove Condos East Parking | Egg Harbor, WI | 113 | 57 | - |
| Jim Falls Elem School 1 | Chippewa Falls, WI | 113 | 8 | - |
| Double Days | Cottage Grove, WI | 112 | 29 | - |
| Hillcrest Inn LLC | Mayville, WI | 112 | 1 | - |
| Americinn | Dodgeville, WI | 112 | 31 | - |
| Christmas Mt Pine Villas 1-18 | Wisconsin Dells, WI | 112 | 0 | - |
| Wiedmeyer Service Center | Kewaskum, WI | 112 | 40 | - |
| Lakeview Estates MHP | Stevens Point, WI | 112 | 207 | - |
| Potters House Upci | Monroe, WI | 111 | 19 | - |
| New Horizon United Church of Christ | Kewaskum, WI | 111 | 0 | - |
| Tidy View Dairy LLC | Kaukauna, WI | 111 | 4 | - |