Water quality in Cobb, Wisconsin
Cobb is in Iowa County. 77 active public water systems serve the county; 28 had an EPA violation in the past three years.
Most likely your provider
Your location is within the outer bounds of this system's EPA service area.
Other community water systems in Iowa County
14 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Edmund TN of Linden San Dist 1 Edmund |
110 | 0 | 3.4 mi | |
| Linden Waterworks Linden |
547 | 1 | 4.3 mi | |
| Highland Waterworks Highland |
842 | 0 | 6.1 mi | |
| Rewey Waterworks Rewey |
290 | 2 | 9.2 mi | |
| Dodgeville Waterworks Dodgeville |
4,583 | 0 | 10.1 mi | |
| Mineral Point Waterworks Mineral Point |
2,487 | 3 | 10.5 mi | |
| Zweifels Country View Dodgeville |
40 | 0 | 10.9 mi | |
| House on the Rock Resort Spring Green |
470 | 1 | 14.1 mi | |
| Avoca Waterworks Avoca |
545 | 4 | 14.9 mi | |
| Ridgeway Waterworks Ridgeway |
690 | 3 | 17.1 mi | |
| Hollandale Waterworks Hollandale |
283 | 1 | 20.9 mi | |
| Bit O Green LLC MHP Arena |
49 | 5 | 21.9 mi | |
| Barneveld Waterworks Barneveld |
1,258 | 4 | 22.2 mi | |
| Arena Waterworks Arena |
877 | 0 | 25.1 mi |
Non-community systems in Iowa County (62: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to Iowa County, nearest to Cobb 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.