County · Iowa
Marion County, Iowa: drinking water records
This overview covers 12 ZIP codes and 13 community water systems in Marion County. It also stands in for 0 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Pella Water Works Department IA6368033 | 11,052 | 60 | 0 | 0 | 0.7 ppb |
| Knoxville Water Works IA6342036 | 8,400 | 60 | 0 | 0 | 7.8 ppb |
| Marion Co. Rural Water District IA6342711 | 5,687 | 120 | 0 | 0 | 1.9 ppb |
| Pleasantville Water Works IA6377046 | 1,676 | 0 | 0 | 1 | 0 ppb |
| Melcher-Dallas Water Supply IA6300099 | 1,213 | 60 | 0 | 0 | 1.4 ppb |
| Irua - Pershing Utilities IA6300800 | 488 | 0 | 0 | 0 | 1.5 ppb |
| Bussey Water Supply IA6309061 | 427 | 0 | 0 | 0 | 1.4 ppb |
| Wheel Estates MHC IA6342301 | 315 | 0 | 0 | 0 | 2.2 ppb |
| Colonial Terrace MHP LLC IA6342601 | 250 | 0 | 0 | 0 | 0 ppb |
| Sunrise Mill IA6368601 | 237 | 0 | 0 | 0 | 0 ppb |
| Harvey Water Works IA6338000 | 236 | 0 | 0 | 0 | 0 ppb |
| Southshore Heights IA6342308 | 138 | 0 | 0 | 0 | 0.5 ppb |
| Vista Village MHC IA6377601 | 110 | 0 | 0 | 0 | 2.4 ppb |
ZIP reports in Marion County
No ZIP report in this county is published yet.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.