Water Quality in Oakland, CA (94502)
EPA violation data for public water systems serving ZIP code 94502.
No Health-Based Violations
None of the 8 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There is1 monitoring/reporting violation (missed testing deadlines), all resolved.
Better than 29% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
13,430
Population
8
Water Systems
1
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (8)
East Bay Mud
Alameda County Water District
City Of Hayward
Dublin San Ramon Services District
City Of Pleasanton
California Water Service - Livermore
Hidden Falls Girl Scout Camp
All resolvedSkylark Ranch Girl Scout Camp
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Oakland (94502) has more violations than 29% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 1, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.