Wisconsin utilities 1,001 to 1,026.
Each serves 25 to 30 people, as it reports to EPA. Your ZIP code finds yours faster.
1,001 to 1,026 of 1,026, by people served
| Utility | Based in | Serves | Regulated PFAS | Health-based violations since 2016 |
|---|---|---|---|---|
| River Vista Estates LLC | Potosi | 30 | Not sampled | 3 |
| Rock River Mobile Home Park | Johnson Creek | 30 | Not sampled | 0 |
| Snug Harbor Inn MHP | Delavan | 30 | Not sampled | 0 |
| Village Glen Apts | Thiensville | 30 | Not sampled | 0 |
| Whispering Pines Apts | Salem | 30 | Not sampled | 3 |
| Hidden Acres Mobile Pk 3 | Arbor Vitae | 29 | Not sampled | 0 |
| 425 Holy Hill Apts | Twin Lakes | 28 | Not sampled | 0 |
| Country Vineyard 4 | Oregon | 28 | Not sampled | 1 |
| Village Plaza Apts | Paddock Lake | 28 | Not sampled | 0 |
| Bristol Heights MHP | Bristol | 27 | Not sampled | 0 |
| Sanctuary of Delafield | Delafield | 27 | Not sampled | 1 |
| Mequon Water Trust | Mequon | 26 | Not sampled | 1 |
| Residences on Main | Twin Lakes | 26 | Not sampled | 0 |
| 2yk LLC | Antigo | 25 | Not sampled | 1 |
| Big Musky Resort | Hayward | 25 | Not sampled | 0 |
| Duck Inn MHP 2 | Mecan TN | 25 | Not sampled | 0 |
| Fountain Bluffs MHP LLC | Fountain City | 25 | Not sampled | 0 |
| Geneva Landings | Delavan | 25 | Not sampled | 0 |
| Kountry Aire Est MHP II | Mauston | 25 | Not sampled | 0 |
| Mountain View MHP 2 | Evansville | 25 | Not sampled | 0 |
| Pirates Cove Mobile Home Community | Edgerton | 25 | Not sampled | 1 |
| Prairie Lake Estates MHP | Chetek | 25 | Not sampled | 1 |
| Prairie Meadow Estates 2 | Auburndale | 25 | Not sampled | 0 |
| River Garden Apts | Thiensville | 25 | Not sampled | 1 |
| Wells St Station 425 West | Delafield | 25 | Not sampled | 0 |
| Wells St Station 435 East | Delafield | 25 | Not sampled | 0 |
Every utility EPA sampled for PFAS under UCMR 5, any other community system serving 3,300 people or more, and any smaller one with results from 2020 on, from the state. Other systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q3, UCMR 5 and EPA’s 2012 to 2019 compliance results, and Wisconsin Department of Natural Resources, Drinking Water Program.
Where to go next
- Read your utility’s own reportIt covers contaminants these pages don’t show, and its own latest results.How to read it
- Every contaminantLegal limits, health goals and what handles each one.All contaminants
- Filters, checkedEvery filter TapBuff has checked against a certifier’s listing, with five-year costs.Compare filters