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Local water quality

Water quality in Oakley, California

4 public water systems · EPA data

The bottom line

EPA records for the water serving Oakley, California show Lead, Arsenic. A filter independently certified to reduce those exact contaminants is the most direct fix.

What's in Oakley's water

Contaminants EPA has recorded across Oakley's water systems, and how many certified filters remove each.

Lead 757 certified filters → Arsenic 128 certified filters →

Water systems serving Oakley

Open a system for its full report — measured levels vs. federal limits, PFAS, and the certified filters that remove each contaminant.

DIABLO WATER DISTRICT
43,357 people served
1 contaminant · report →
DELTA MUTUAL WATER COMPANY
333 people served
2 contaminants · report →
OAKLEY MUTUAL WATER COMPANY
170 people served
2 contaminants · report →
BEACON WEST
45 people served
2 contaminants · report →

Filter your Oakley water

Match a certified filter to what's actually in your water — a filter certified for lead may do nothing for PFAS or fluoride.

Get my exact water report Which filter is right for me?