Water quality for ZIP code 53806
ZIP 53806 covers Cassville in Grant County, Wisconsin, one of 21 ZIP codes in the county. 90 active public water systems serve the county; 44 had an EPA violation in the past three years.
Most likely your provider
Other community water systems in Grant County
27 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Cassville Waterworks Cassville |
777 | 1 | 3.5 mi | |
| Potosi Waterworks Potosi |
718 | 2 | 11.0 mi | |
| River Vista Estates LLC Potosi |
30 | 3 | 11.2 mi | |
| Bloomington Waterworks Bloomington |
682 | 0 | 11.3 mi | |
| Tennyson Waterworks Potosi |
367 | 2 | 11.8 mi | |
| Lancaster Waterworks Lancaster |
3,907 | 0 | 13.5 mi | |
| Patch Grove Waterworks Patch Grove |
160 | 0 | 14.8 mi | |
| Bagley Waterworks Bagley |
353 | 1 | 14.8 mi | |
| Mount Hope Waterworks Mount Hope |
181 | 2 | 16.7 mi | |
| Dickeyville Waterworks Dickeyville |
1,069 | 1 | 18.1 mi | |
| Kieler SD NO 1 Kieler |
560 | 2 | 18.9 mi | |
| Stitzer Sanitary Dist 1 Stitzer |
150 | 4 | 20.2 mi | |
| Sinsinawa Dominicans INC Sinsinawa |
213 | 1 | 20.7 mi | |
| Maryville SD 2 Hazel Green |
100 | 2 | 20.9 mi | |
| Stateline Mobile Home Park Hazel Green |
37 | 4 | 21.7 mi | |
| Fennimore Waterworks Fennimore |
2,507 | 2 | 22.0 mi | |
| Platteville Waterworks Platteville |
12,268 | 0 | 22.3 mi | |
| Oak Park Community Platteville |
90 | 4 | 22.9 mi | |
| Patriot Park Platteville |
80 | 0 | 22.9 mi | |
| Cuba City Waterworks Cuba City |
2,141 | 3 | 26.2 mi | |
| Cozy Acres MHP Boscobel |
80 | 0 | 26.9 mi | |
| Livingston Waterworks Livingston |
664 | 0 | 27.3 mi | |
| Hazel Green Waterworks Hazel Green |
1,193 | 3 | 28.1 mi | |
| Montfort Waterworks Montfort |
718 | 3 | 29.8 mi | |
| Boscobel Waterworks Boscobel |
3,237 | 0 | 30.3 mi |
Non-community systems in Grant County (62: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to Grant County, the county this ZIP code lies in, nearest to the ZIP code's centre 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 or the centre of the first town EPA lists the system as serving, from Census Bureau county subdivision files.
ZIP code areas and town boundaries come from the U.S. Census Bureau's 2020 ZCTA 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.