Water Quality for ZIP 94520-4907
✅
No recent violations in this area
3 water systems serve this ZIP code
Your Water System
CONTRA COSTA WATER DISTRICT
PWSID: CA0710003
No violations in the past 5 years
A
Safe
Safety Grade
No recent violations in this area
3 water systems serve this ZIP code
Your Water System
PWSID: CA0710003
No violations in the past 5 years
Safe
Safety Grade