Water Quality in Los Angeles, CA (90503)
EPA violation data for public water systems serving ZIP code 90503.
No Health-Based Violations
None of the 4 water systems serving this ZIP have any violations in the past 5 years.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
43,454
Population
4
Water Systems
0
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (4)
Griffith Park
Purchased surface water 9,000,000 people served
0 violations
Los Angeles-City, Dept. Of Water & Power
Surface water 3,875,566 people served
0 violations
Long Beach Utilities Department
Purchased surface water 466,772 people served
0 violations
Torrance-City, Water Dept.
Purchased surface water 106,183 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Lead & Copper Levels
Lead (Pb)
Within limit0 ppb measured
Action level: 15 ppb
Sampled: Jul 2025
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.