Water Quality in Oakland, CA (94620)
EPA violation data for public water systems serving ZIP code 94620.
No Health-Based Violations
None of the 1 water system serving this ZIP has any violations in the past 5 years.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
1
Water Systems
0
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (1)
Point Cabrillo Highlands
Groundwater 42 people served
0 violations
Lead tested: 2.7 ppb (limit: 15 ppb) ✓ Copper tested: 1750 ppb (limit: 1300 ppb)
Lead & Copper Levels
Lead (Pb)
Within limit2.7 ppb measured
Action level: 15 ppb
Sampled: Jan 2025
Copper (Cu)
Exceeds limit1750 ppb measured
Action level: 1300 ppb
Sampled: Jul 2023
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.