Water Quality in Oakland, CA (94550)
EPA violation data for public water systems serving ZIP code 94550.
Past Health-Based Violations
10 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 5 monitoring/reporting violations.
More violations than 74% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
49,873
Population
26
Water Systems
15
Violations (5yr)
10
Health-Based
Location
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Water Systems Serving This Area (26)
East Bay Mud
San Jose Water
1 health-basedAlameda County Water District
City Of Hayward
City Of Sunnyvale
City Of Santa Clara
Great Oaks Wc Inc
City Of San Jose - Evg/Edv/Coy
Dublin San Ramon Services District
City Of Milpitas
All resolvedCity Of Mountain View
City Of Pleasanton
Cwsc Los Altos Suburban
City Of Palo Alto
California Water Service - Livermore
Lawrence Livermore National Lab Site 200
Lawrence Livermore National Lab-Site 300
Csp-Fremont Peak
Camp Shelly
Carnegie Svra
Stivers Academy
Purple Orchid Resort Spa
B&G Mobile Home Park Llc Ws
The Rainbow Junction Water System
All resolvedThomas/Carol Toolan
Bloomingcamp Water System
9 health-basedContaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Oakland (94550) has more violations than 74% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 15.
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
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
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.