Water Quality in Los Angeles, CA (90274)
EPA violation data for public water systems serving ZIP code 90274.
Active Health Violations
1 health-based violation found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 53% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
25,059
Population
12
Water Systems
5
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (12)
Griffith Park
Los Angeles-City, Dept. Of Water & Power
Long Beach Utilities Department
Acres Mobile Home Park
Reynolds Resorts - Oak Valley R.V.
Mobile Estates Fn
Hacienda Vasquez Mobile Home Park
New Meadows
1 health-basedBottle Bay Marina Resort
Kan Tracts 4 A & B
Ca Dept Of Corrections - Lancaster
Pine Meadow Mhc
Contaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Los Angeles (90274) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5.
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.