Water quality for ZIP code 50657
ZIP 50657 covers Morrison in Grundy County, Iowa, one of 9 ZIP codes in the county. 9 active public water systems serve the county; 1 had an EPA violation in the past three years.
Most likely your provider
Other community water systems in Grundy County
8 systems, largest first| System | Serves | Status | Rules violated, 3 yr |
|---|---|---|---|
| Grundy Center Water Supply Grundy Center |
2,796 | 0 | |
| Reinbeck Water Supply Reinbeck |
1,662 | 1 | |
| Dike Water Supply Dike |
1,306 | 0 | |
| Conrad Water Supply Conrad |
1,098 | 0 | |
| Wellsburg Water Supply Wellsburg |
721 | 0 | |
| Holland Water Supply Holland |
270 | 0 | |
| Stout Water Supply Stout |
191 | 0 | |
| Beaman Water Supply Beaman |
161 | 0 |
About this data
Water systems are matched to Grundy 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 Iowa 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.