County · Nevada
Humboldt County, Nevada: drinking water records
This overview covers 7 ZIP codes and 9 community water systems in Humboldt County. It also stands in for 4 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 |
|---|---|---|---|---|---|
| Winnemucca City of NV0000248 | 8,518 | 360 | 0 | 0 | 0 ppb |
| Mcdermitt Water System NV0000162 | 200 | 0 | 0 | 20 | 6.2 ppb |
| Ft. Mcdermitt Paiute-Shoshone - Upper 093200164 | 110 | 0 | 0 | 8 | 2 ppb |
| Valmy Station Mobile Home Park NV0003016 | 96 | 0 | 0 | 2 | 1 ppb |
| Gold Country Estates NV0003079 | 1,695 | 0 | 0 | 0 | 2 ppb |
| Ft. Mcdermitt Paiute-Shoshone - Lower 093200165 | 456 | 0 | 0 | 4 | not reported |
| Star City Properties NV0000252 | 285 | 0 | 0 | 0 | 1.9 ppb |
| Golconda Gid NV0005029 | 210 | 0 | 0 | 0 | 1.9 ppb |
| Orovada Water District NV0003032 | 200 | 0 | 0 | 0 | 4 ppb |
ZIP reports in Humboldt 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: 89404, 89426, 89438, 89446.
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.