Water quality in Theresa, Wisconsin
Theresa is in Dodge County. 178 active public water systems serve the county; 30 had an EPA violation in the past three years.
Most likely your provider
Other community water systems in Dodge County
23 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Mayville Waterworks Mayville |
5,112 | 0 | 4.7 mi | |
| Leroy Sanitary District 1 Leroy |
320 | 4 | 7.2 mi | |
| Lomira Waterworks Lomira |
2,701 | 4 | 7.3 mi | |
| Iron Ridge Waterworks Iron Ridge |
937 | 0 | 7.7 mi | |
| Brownsville Waterworks Brownsville |
630 | 2 | 8.5 mi | |
| Breezy Point MHP 2 Horicon |
51 | 0 | 9.7 mi | |
| Breezy Point MHP 1 Horicon |
30 | 0 | 9.7 mi | |
| Horicon Waterworks Horicon |
3,682 | 0 | 9.8 mi | |
| Hustisford Waterworks Hustisford |
1,063 | 1 | 12.7 mi | |
| Juneau Waterworks Juneau |
2,627 | 2 | 13.9 mi | |
| Marshview Terrace Waupun |
40 | 3 | 16.7 mi | |
| Waupun Utilities Waupun |
8,056 | 0 | 17.0 mi | |
| Waupun Correctional Inst Waupun |
3,706 | 2 | 17.6 mi | |
| North Hills MHP Beaver Dam |
420 | 2 | 18.1 mi | |
| Clyman Waterworks Clyman |
422 | 2 | 18.5 mi | |
| Beaver Dam Water Utility Beaver Dam |
16,200 | 1 | 19.0 mi | |
| Lowell Waterworks Lowell |
337 | 2 | 21.3 mi | |
| Sunnyside Estates Beaver Dam |
135 | 0 | 21.5 mi | |
| Hidden Meadows Watertown |
166 | 4 | 21.9 mi | |
| Maple Grove MHP Beaver Dam |
125 | 0 | 22.8 mi | |
| Fox Lake Waterworks Fox Lake |
1,610 | 1 | 23.2 mi | |
| Reeseville Waterworks Reeseville |
718 | 3 | 23.6 mi | |
| Fox Lake Correctional Institution Fox Lake |
1,850 | 3 | 24.4 mi |
Non-community systems in Dodge County (154: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to Dodge County, nearest to Theresa 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.