County · Iowa
Hardin County, Iowa: drinking water records
This overview covers 10 ZIP codes and 12 community water systems in Hardin 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 |
| Iowa Falls Water Department IA4260097 | 5,146 | 120 | 0 | 0 | 9 ppb |
| Eldora Water Supply IA4236005 | 2,664 | 0 | 0 | 0 | 3 ppb |
| Ackley Municipal Water Works IA4201001 | 1,599 | 0 | 0 | 0 | 3.2 ppb |
| Hubbard Water Supply IA4254061 | 860 | 0 | 0 | 0 | 0 ppb |
| Alden Water Supply IA4213013 | 763 | 0 | 0 | 0 | 2 ppb |
| Radcliffe Municipal Water IA4283067 | 561 | 0 | 0 | 0 | 1 ppb |
| Union Water Supply IA4291038 | 399 | 0 | 0 | 0 | 2.8 ppb |
| Steamboat Rock Water Dept IA4289094 | 264 | 0 | 0 | 0 | 2.4 ppb |
| New Providence Water Supply IA4271062 | 236 | 0 | 0 | 0 | 0 ppb |
| Chase Mobile Home Park IA4260602 | 85 | 0 | 0 | 0 | 0 ppb |
| Pinecrest MHP IA4236601 | 113 | 0 | 0 | 0 | not reported |
ZIP reports in Hardin 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.