County · Iowa
Pottawattamie County, Iowa: drinking water records
This overview covers 16 ZIP codes and 15 community water systems in Pottawattamie County. It also stands in for 1 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 |
|---|---|---|---|---|---|
| Regional Water IA8300184 | 4,132 | 60 | 0 | 1 | 2 ppb |
| Council Bluffs Water Works IA7820080 | 64,447 | 155 | 0 | 0 | 2 ppb |
| Carter Lake Water District IA7812079 | 3,791 | 240 | 1 | 0 | 3 ppb |
| Urban Bluffs - North IA7820701 | 1,558 | 120 | 3 | 0 | 2 ppb |
| Avoca Water Works IA7803080 | 1,697 | 0 | 0 | 0 | 0.7 ppb |
| Oakland Munic Water Utility IA7856084 | 1,524 | 0 | 0 | 0 | 1.3 ppb |
| Treynor Water Department IA7866031 | 1,049 | 0 | 0 | 0 | 5 ppb |
| Neola Light & Water IA7853043 | 906 | 0 | 0 | 0 | 4.4 ppb |
| Crescent Water Supply IA7822086 | 778 | 0 | 0 | 0 | 0 ppb |
| Walnut Municipal Utilities IA7872062 | 768 | 0 | 0 | 0 | 0 ppb |
| Carson Water Supply IA7809078 | 766 | 0 | 0 | 0 | 1 ppb |
| Minden Water Supply IA7849086 | 598 | 0 | 0 | 0 | 5 ppb |
| Macedonia Water Supply IA7841014 | 275 | 0 | 0 | 0 | 2 ppb |
| Hancock Water Supply IA7833025 | 200 | 0 | 0 | 0 | 0.5 ppb |
| Country Estates Mobile Home Park IA6500600 | 35 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Pottawattamie County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 51542.
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.