County · Idaho
Jerome County, Idaho: drinking water records
This overview covers 3 ZIP codes and 7 community water systems in Jerome 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 |
|---|---|---|---|---|---|
| Jerome City of ID5270011 | 13,135 | 240 | 0 | 0 | 3 ppb |
| Unit 3 Water Assn ID5270025 | 350 | 0 | 0 | 2 | 0 ppb |
| Country Club Estates ID5270004 | 137 | 0 | 0 | 1 | 6 ppb |
| Hazelton City of ID5270007 | 899 | 0 | 0 | 0 | 0 ppb |
| Eden City of ID5270006 | 411 | 0 | 0 | 0 | 0 ppb |
| North Rim Fairways ID5270017 | 150 | 0 | 0 | 0 | 2 ppb |
| Turning Winds MT0004486 | 50 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Jerome 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.