Water Quality in Los Angeles, CA (91390)
EPA violation data for public water systems serving ZIP code 91390.
Active Health Violations
11 health-based violations 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 76% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
19,308
Population
17
Water Systems
17
Violations (5yr)
11
Health-Based
Location
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Water Systems Serving This Area (17)
Griffith Park
Los Angeles-City, Dept. Of Water & Power
Long Beach Utilities Department
Green Valley Cwd
1 health-basedLily Of The Valley Mobile Village
Los Angeles Residential Community Founda
1 health-basedSleepy Valley Water Company
Agua Dulce Winery
North Trails Mutual Water Company
9 health-basedLe Chene Restaurant Water System
Shepherd Of The Hills
Agua Dulce Women'S Club
Living Springs Church
Camp Cisquito / Live Again Recovery Home
Kirk Business Center
Casa Dulce Estates
Halfway House Cafe
All resolvedContaminants 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.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Los Angeles (91390) has more violations than 76% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 17.
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.