Water quality for ZIP code 51031
ZIP 51031 covers Le Mars, Struble, Craig, and Oyens in Plymouth County, Iowa, one of 11 ZIP codes in the county. 13 active public water systems serve the county; 6 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 Plymouth County
9 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Brunsville Municipal Water Supply Brunsville |
129 | 0 | 4.2 mi | |
| Merrill Municipal Water Supply Merrill |
717 | 0 | 6.4 mi | |
| Oyens Water Supply Oyens |
92 | 1 | 6.6 mi | |
| Craig Water Works Craig |
79 | 3 | 9.2 mi | |
| Remsen Municipal Utilities Remsen |
1,678 | 0 | 10.8 mi | |
| Hinton Water Supply Hinton |
935 | 1 | 13.4 mi | |
| Kingsley Water Supply Kingsley |
1,396 | 0 | 18.3 mi | |
| Akron, City of Akron |
1,558 | 1 | 18.9 mi | |
| Westfield Water Supply Westfield |
123 | 0 | 21.4 mi |
Non-community systems in Plymouth County (3: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Hidden Acres Golf Course LLC Sioux City |
100 | 0 | 0 | |
|
Hole N the Wall Lodge Akron |
90 | 1 | 0 | |
|
Country Celebrations Event Center Sioux City |
200 | 3 | 1 |
About this data
Water systems are matched to Plymouth 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.
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.