Water Quality: Auburn, CA
10 water systems • 123,713 people served
Some ConcernsWater Quality Summary
Auburn is served by 10 public water systems with a combined service population of 123,713 people, and has 3 EPA Safe Drinking Water Act violations on record. Critically, 1 of those are health-based violation, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Auburn's violation count is 94% below the national average for California. Contaminants associated with violations include Fecal Coliform.
Contaminants Found
Indicates direct fecal contamination; associated with diarrhea, cramps, nausea, and potential severe illness.
Common source: Human and animal fecal waste
EPA limit: Zero tolerance (any positive triggers violations)
Water Systems Serving Auburn
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| PLACER CWA - FOOTHILL | CA3110025 | Surface Water | 89,544 | 0 |
| PLACER CWA - AUBURN/BOWMAN | CA3110005 | Surface Water | 27,294 | 0 |
| PLACER CWA - COLFAX | CA3110006 | Surface Water | 3,149 | 0 |
| PCWA - WEIMAR | CA3110035 | Surface Water | 1,689 | 1 |
| PLACER CWA - ALTA | CA3110024 | Surface Water | 748 | 0 |
| PLACER CSA - SHERIDAN | CA3110048 | Groundwater | 653 | 1 |
| AUBURN VALLEY COMMUNITY SERVICE DIS | CA3100011 | Groundwater | 290 | 0 |
| PLACER CWA - APPLEGATE | CA3110050 | Surface Water | 190 | 0 |
| PLACER CWA - BIANCHI ESTATES | CA3110040 | Surface Water | 110 | 0 |
| PLACER CWA - MONTE VISTA | CA3110124 | Surface Water | 46 | 1 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in California
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.