County · Idaho
Blaine County, Idaho: drinking water records
This overview covers 7 ZIP codes and 20 community water systems in Blaine 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 |
|---|---|---|---|---|---|
| Hailey Water and Sewer ID5070022 | 8,000 | 300 | 0 | 0 | 2 ppb |
| Ketchum City of ID5070028 | 3,555 | 360 | 0 | 0 | 9 ppb |
| Sun Valley Water and Sewer Dist ID5070051 | 3,400 | 660 | 0 | 0 | 4 ppb |
| Bellevue City of ID5070004 | 2,747 | 0 | 0 | 22 | 0 ppb |
| Heatherlands Subd ID5070023 | 200 | 0 | 0 | 1 | 1 ppb |
| Golden Eagle Ranch ID5070088 | 120 | 0 | 0 | 1 | 2 ppb |
| Smiley Creek Water Users Assn INC ID5070087 | 117 | 0 | 0 | 3 | 2 ppb |
| Aspen Hollow Homeowners Assoc ID5070001 | 75 | 0 | 0 | 1 | 3 ppb |
| Greenhorn Subd ID5070020 | 75 | 0 | 0 | 9 | 4 ppb |
| Gannett Homeowners Assn ID5070086 | 60 | 0 | 0 | 3 | 0 ppb |
| Holiday Highway Subd ID5070025 | 45 | 0 | 0 | 1 | 0 ppb |
| Carey Water and Sewer ID5070010 | 993 | 0 | 0 | 0 | 4 ppb |
| Mid Valley Water Company LLC ID5070038 | 450 | 0 | 0 | 0 | 0 ppb |
| Hulen Meadows Water Company ID5070026 | 390 | 0 | 0 | 0 | 5 ppb |
| Cold Springs Subd ID5070015 | 300 | 0 | 0 | 0 | 0 ppb |
| Starweather Estates ID5070097 | 150 | 0 | 0 | 0 | 0 ppb |
| The Valley Club ID5070085 | 135 | 0 | 0 | 0 | 20 ppb |
| Woodenhills Water Works ID5070093 | 62 | 0 | 0 | 0 | 2 ppb |
| Sage Springs Subdivision ID5070096 | 53 | 0 | 0 | 0 | 2 ppb |
| Picabo Water System ID5070041 | 50 | 0 | 0 | 0 | 5 ppb |
ZIP reports in Blaine 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.