Who supplies my water · CA
Where Clayton's tap water comes from
EPA records point to Contra Costa Water District as the water system for Clayton.
Contra Costa County · Population 10,933
The water system for Clayton
Contra Costa Water District
PWSID CA0710003 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system levelAbout 100% of Clayton's homes are inside Contra Costa Water District's service area (EPA service-area map).
Full water report for Contra Costa Water DistrictContra Costa Water District: contact and record
System-level records from EPA. Not a test of your tap.
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