Water quality in Colfax, Wisconsin
Colfax is in Dunn County. 87 active public water systems serve the county; 16 had an EPA violation in the past three years.
Most likely your provider
Other community water systems in Dunn County
13 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Tainter Woods Condominiums Colfax |
85 | 2 | 6.7 mi | |
| Marell Country Estates Elk Mound |
150 | 1 | 8.0 mi | |
| Elk Mound Waterworks Elk Mound |
895 | 0 | 8.6 mi | |
| Wheeler Waterworks Assoc Wheeler |
317 | 5 | 8.7 mi | |
| Menomonie Waterworks Menomonie |
15,950 | 0 | 11.6 mi | |
| Cedar Falls Acres MHP Menomonie |
95 | 1 | 11.8 mi | |
| River Villa Mobile Home Court Menomonie |
60 | 0 | 12.2 mi | |
| Birch Terrace Mobile Home Community Menomonie |
700 | 0 | 13.4 mi | |
| Boyceville Waterworks Boyceville |
1,043 | 2 | 14.7 mi | |
| Countryside Mobile Homes Menomonie |
50 | 2 | 15.2 mi | |
| Knapp Waterworks Knapp |
486 | 2 | 16.5 mi | |
| Downsville Sanitary District Downsville |
250 | 1 | 17.6 mi | |
| Shady Oaks MHP Menomonie |
40 | 4 | 20.4 mi |
Non-community systems in Dunn County (73: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to Dunn County, nearest to Colfax first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau place files.
Town locations and ZIP code areas come from U.S. Census Bureau 2020 files.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Wisconsin records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.