Water Quality in Oakland, CA (94551)
EPA violation data for public water systems serving ZIP code 94551.
Past Health-Based Violations
4 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 4 monitoring/reporting violations.
More violations than 62% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
37,885
Population
17
Water Systems
8
Violations (5yr)
4
Health-Based
Location
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Water Systems Serving This Area (17)
East Bay Mud
Alameda County Water District
Contra Costa Water District
City Of Hayward
City Of Antioch
Dublin San Ramon Services District
City Of Pleasanton
Brentwood
City Of Pittsburg
California Water Service - Livermore
City Of Livermore
Cc Farms, Llc.
Doubletree Ranch Water System
Silver Creek
All resolvedZone 7 Water Agency
Enviroplex, Inc
Hakam Misson
4 health-basedContaminants Found
A naturally occurring element that can cause cancer and other health effects at high levels.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2024
How Does This Compare?
Oakland (94551) has more violations than 62% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 8.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.