County · California
Alpine County, California: drinking water records
This overview covers 3 ZIP codes and 7 community water systems in Alpine 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 |
|---|---|---|---|---|---|
| Kirkwood Meadows Public Utility District CA0210002 | 7,851 | 240 | 1 | 0 | 2.8 ppb |
| Lake Alpine Water Company CA0210001 | 625 | 0 | 0 | 13 | 0 ppb |
| Spirit Mountain Utility Company NV0000221 | 375 | 0 | 0 | 2 | 1.4 ppb |
| Sierra Pines Mobile Home Park CA0202522 | 70 | 0 | 0 | 1 | 5.6 ppb |
| Berkshire Estates MA1058002 | 180 | 0 | 0 | 0 | 2.5 ppb |
| Markleeville Water Co. CA0202504 | 175 | 0 | 0 | 0 | 0 ppb |
| Dillingham Ranch HI0000326 | 100 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Alpine 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.