County · California
Calaveras County, California: drinking water records
This overview covers 18 ZIP codes and 19 community water systems in Calaveras County. It also stands in for 2 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 |
|---|---|---|---|---|---|
| Ccwd - Ebbetts Pass CA0510016 | 11,545 | 90 | 0 | 4 | 1.9 ppb |
| Union Public Utility District CA0510001 | 4,774 | 120 | 0 | 5 | 0 ppb |
| Angels, City of CA0510003 | 3,836 | 120 | 0 | 1 | 0 ppb |
| Ccwd - Jenny Lind CA0510006 | 9,861 | 120 | 0 | 0 | 1.6 ppb |
| Calaveras PUD CA0510002 | 6,286 | 120 | 0 | 0 | 0 ppb |
| Ccwd - Copper Cove CA0510017 | 5,187 | 120 | 0 | 0 | 1.8 ppb |
| Blue Lake Springs Mut Wtr CA0510009 | 4,841 | 180 | 0 | 0 | 16 ppb |
| Snowshoe Springs Assn. CA0510011 | 686 | 0 | 0 | 1 | 0 ppb |
| Rite of Passage/Sierra Ridge CA0500091 | 150 | 0 | 0 | 1 | 0 ppb |
| Lili Valley Water Co. CA0500027 | 99 | 0 | 0 | 1 | 0 ppb |
| Mineral Mountain Mutual Water CA0500019 | 67 | 0 | 0 | 1 | 0 ppb |
| Ccwd - West Point CA0510005 | 1,043 | 0 | 0 | 0 | 4.0 ppb |
| Valley Springs PUD CA0510010 | 900 | 0 | 0 | 0 | 0 ppb |
| Camanche South Shore-Ebmud CA0510012 | 828 | 0 | 0 | 0 | 0 ppb |
| Angels Camp Rv/Camping Resort CA0500082 | 288 | 0 | 0 | 1 | not reported |
| Ccwd - Wallace CA0510019 | 255 | 0 | 0 | 0 | 2.6 ppb |
| Dunrovin Mobile Home Village CA0500068 | 99 | 0 | 0 | 0 | 0 ppb |
| Ccwd - Sheep Ranch CA0510004 | 89 | 0 | 0 | 0 | 2.0 ppb |
| Lakeside Mobile Estates CA0500075 | 30 | 0 | 0 | 0 | 8 ppb |
ZIP reports in Calaveras 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: 95246, 95257.
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.