County · Iowa
Sac County, Iowa: drinking water records
This overview covers 8 ZIP codes and 8 community water systems in Sac 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 |
|---|---|---|---|---|---|
| West Central Rwa-Boyer System IA1400903 | 1,715 | 60 | 0 | 0 | 1.7 ppb |
| Schaller Water Supply IA8156028 | 729 | 0 | 0 | 1 | 0.7 ppb |
| Early Municipal Water Supply IA8114000 | 587 | 0 | 0 | 5 | 1.3 ppb |
| Sac City Municipal Water Plant IA8150015 | 2,093 | 0 | 0 | 0 | 0 ppb |
| Lake View Water Supply IA8127048 | 1,133 | 0 | 0 | 0 | 1.1 ppb |
| Odebolt Water Supply IA8144087 | 994 | 0 | 0 | 0 | 2.1 ppb |
| Wall Lake Water Supply IA8166061 | 780 | 0 | 0 | 0 | 2.3 ppb |
| Auburn Water Supply IA8104076 | 265 | 0 | 0 | 0 | 2.4 ppb |
ZIP reports in Sac 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.