Oakley, CA · Contra Costa County
Water quality in Oakley, CA
8 community water systems are based in Oakley, CA, collectively serving 44,728 people. See per-utility violations, contaminants, and lead service line status.
At a glance
- Community systems
- 8
- People served
- 45k
- Groundwater systems
- 88%
- 7 systems
- Surface water systems
- 13%
- 1 systems
Community water systems based in Oakley
Systems whose EPA-filed administrative city is Oakley, sorted by population served. Regional authorities that serve Oakley but are based elsewhere are not listed here; check the ZIP lookup for a service-area-based answer.
- 1. DIABLO WATER DISTRICT
Contra Costa · PWSID CA0710007
43k served - 2. WILLOW PARK MARINA
Contra Costa · PWSID CA0707507
380 served - 3. DELTA MUTUAL WATER COMPANY
Contra Costa · PWSID CA0707573
333 served - 4. CAMINO MOBILEHOME
Contra Costa · PWSID CA0707598
210 served - 5. OAKLEY MUTUAL WATER COMPANY
Contra Costa · PWSID CA0706004
170 served - 6. BIG OAK MOBILE HOME PARK WATER
Contra Costa · PWSID CA0707588
156 served - 7. KNIGHTSEN COMMUNITY WATER SYSTEM
Contra Costa · PWSID CA0707547
73 served - 8. DUTCH SLOUGH WATER WORKS
Contra Costa · PWSID CA0707519
49 served