Water Quality: Oakland, CA
5 water systems • 1,444,562 people served
Multiple Health ViolationsWater Quality Summary
Oakland is served by 5 public water systems with a combined service population of 1,444,562 people, and has 17 EPA Safe Drinking Water Act violations on record. Critically, 4 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Oakland's violation count is 65% 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 Oakland
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| EAST BAY MUD | CA0110005 | Surface Water | 1,442,800 | 0 |
| ALAMEDA POINT | CA0110016 | Surface Water | 1,400 | 0 |
| CAMP LOMA MAR | CA4100529 | Surface Water | 208 | 13 |
| BRAND WATER COMPANY | CA4900587 | Groundwater | 112 | 2 |
| POINT CABRILLO HIGHLANDS | CA2300668 | Groundwater | 42 | 2 |
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.