Water Quality: Oakley, CA
8 water systems • 44,728 people served
Multiple Health Violations93
Total Violations
86
Health-Based Violations
8
Water Systems
44,728
Population Served
Water Quality Summary
Oakley has 86 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Barium, Stage 2 DBP. In total, 93 violations are on record for 8 water systems serving 44,728 people.
Contaminants Found
Barium
Stage 2 DBP
Water Systems Serving Oakley
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| DIABLO WATER DISTRICT | CA0710007 | Surface Water | 43,357 | 0 |
| WILLOW PARK MARINA | CA0707507 | Groundwater | 380 | 26 |
| DELTA MUTUAL WATER COMPANY | CA0707573 | Groundwater | 333 | 38 |
| CAMINO MOBILEHOME | CA0707598 | Groundwater | 210 | 1 |
| OAKLEY MUTUAL WATER COMPANY | CA0706004 | Groundwater | 170 | 25 |
| BIG OAK MOBILE HOME PARK WATER | CA0707588 | Groundwater | 156 | 0 |
| KNIGHTSEN COMMUNITY WATER SYSTEM | CA0707547 | Groundwater | 73 | 0 |
| DUTCH SLOUGH WATER WORKS | CA0707519 | Groundwater | 49 | 3 |
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.
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.