Water quality for ZIP code 48859
ZIP 48859 covers Mount Pleasant in Isabella County, Michigan, one of 7 ZIP codes in the county. 92 active public water systems serve the county; 36 had an EPA violation in the past three years.
Most likely your provider
Other community water systems in Isabella County
12 systems, largest first| System | Serves | Status | Rules violated, 3 yr |
|---|---|---|---|
| Union Township |
12,927 | 0 | |
| Shepherd, Village of |
1,515 | 6 | |
| Lake Isabella Water Dist. #1 |
327 | 0 | |
| Mapleview Estates East |
220 | 0 | |
| Broomfield Valley |
212 | 1 | |
| Country Place |
115 | 1 | |
| Oakview Mobile Estates |
102 | 0 | |
| Mapleview Estates |
93 | 0 | |
| Maple Leaf Village |
50 | 0 | |
| Country Place Senior Care Center |
40 | 0 | |
| Rosebush Estates Apartments |
30 | 3 | |
| Rosebush Manor |
25 | 0 |
Non-community systems in Isabella County (79: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to Isabella County, the county this ZIP code lies in, largest 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.
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 Michigan 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.