County · Iowa
Marshall County, Iowa: drinking water records
This overview covers 13 ZIP codes and 13 community water systems in Marshall 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 |
|---|---|---|---|---|---|
| Ia Regional Utilities Assoc (Waverly) IA0990701 | 37,820 | 180 | 0 | 0 | 1.5 ppb |
| Marshalltown Water Works IA6469042 | 27,680 | 60 | 0 | 0 | 2 ppb |
| State Center Muni Water Dept IA6484093 | 1,411 | 0 | 0 | 0 | 0.5 ppb |
| Le Grand Water Works IA6457070 | 910 | 0 | 0 | 0 | 1.1 ppb |
| Melbourne Water Supply IA6471063 | 765 | 0 | 0 | 0 | 5.7 ppb |
| Gilman Water Supply IA6436087 | 582 | 0 | 0 | 0 | 0 ppb |
| Sunset Village IA6469601 | 528 | 0 | 0 | 0 | 0 ppb |
| Albion Water Department IA6403011 | 448 | 0 | 0 | 0 | 1.4 ppb |
| Marshalltown Estates IA6400628 | 382 | 0 | 0 | 0 | 3 ppb |
| Liscomb Water Supply IA6462087 | 291 | 0 | 0 | 0 | 0 ppb |
| Rhodes Water Supply IA6480081 | 271 | 0 | 0 | 0 | 0 ppb |
| Laurel Municipal Water Works IA6452062 | 220 | 0 | 0 | 0 | 3.2 ppb |
| Clemons Water Supply IA6415046 | 140 | 0 | 0 | 0 | 2.5 ppb |
ZIP reports in Marshall 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.