Water Quality in Los Angeles, CA (91307)
EPA violation data for public water systems serving ZIP code 91307.
Past Health-Based Violations
1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 2 monitoring/reporting violations.
More violations than 43% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
26,580
Population
12
Water Systems
3
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
Oxnard Water Dept
Ventura Water Department
Ventura Wwd No. 8 - Simi Valley
All resolvedCal American Water Co
All resolvedCity Of Thousand Oaks Water Department
Camarillo Water Dept
Golden State Water Company - Simi Valley
Ventura Cwwd No. 1 - Moorpark
Oak Grove Mobile Home Park
1 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: Jul 2023
How Does This Compare?
Los Angeles (91307) has more violations than 43% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 3.
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.