County · California
Placer County, California: drinking water records
This overview covers 30 ZIP codes and 52 community water systems in Placer 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 |
|---|---|---|---|---|---|
| City of Roseville CA3110008 | 155,612 | 510 | 0 | 0 | 0 ppb |
| Placer Cwa - Foothill CA3110025 | 89,544 | 150 | 0 | 0 | 0 ppb |
| City of Lincoln CA3110004 | 54,538 | 240 | 2 | 0 | 0 ppb |
| Placer Cwa - Auburn/Bowman CA3110005 | 27,294 | 240 | 0 | 0 | 0 ppb |
| Northstar C.S.D. CA3110028 | 15,452 | 120 | 0 | 0 | 4.4 ppb |
| Cal Am - West Placer CA3110150 | 8,861 | 120 | 0 | 0 | 0 ppb |
| Nevada Id - North Auburn CA3110026 | 6,870 | 120 | 0 | 0 | 0 ppb |
| Foresthill Public Utility Dist CA3110003 | 6,782 | 120 | 0 | 0 | 0 ppb |
| North Tahoe PUD - Main CA3110001 | 6,321 | 240 | 0 | 0 | 1.5 ppb |
| Tahoe City PUD - Main CA3110010 | 5,661 | 300 | 0 | 0 | 4.4 ppb |
| Meadow Vista Cwd CA3110009 | 4,183 | 120 | 0 | 0 | 0.7 ppb |
| Agate Bay Water Company CA3110012 | 2,500 | 0 | 0 | 1 | 1.1 ppb |
| Tahoe Park Water Company CA3110018 | 750 | 0 | 0 | 1 | 12 ppb |
| Heather Glen Community Service Dist CA3100038 | 250 | 0 | 0 | 1 | 0.9 ppb |
| Baker Ranch Water Corp CA3100014 | 150 | 0 | 0 | 1 | 2.8 ppb |
| Northstar CSD - Martis Valley CA3110051 | 4,493 | 0 | 0 | 0 | 0.8 ppb |
| Tahoe City PUD - Tahoe Swiss Village CA3110042 | 3,363 | 0 | 0 | 0 | 0 ppb |
| Placer Cwa - Colfax CA3110006 | 3,149 | 0 | 0 | 0 | 0 ppb |
| Fulton Water Company CA3110015 | 2,593 | 0 | 0 | 0 | 1.2 ppb |
| Alpine Springs County Water District CA3110029 | 2,200 | 0 | 0 | 0 | 4 ppb |
| Christian Valley Park CSD CA3110034 | 1,800 | 0 | 0 | 0 | 1.5 ppb |
| Pcwa - Weimar CA3110035 | 1,689 | 0 | 0 | 0 | 0 ppb |
| Midway Heights C. W. D. CA3110041 | 1,491 | 0 | 0 | 0 | 0.6 ppb |
| Olympic Valley PSD CA3110020 | 1,165 | 0 | 0 | 0 | 14.4 ppb |
| Mckinney Water District CA3110022 | 853 | 0 | 0 | 0 | 8.5 ppb |
ZIP reports in Placer 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: 95701, 95717.
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.