Water Quality in Los Angeles, CA (91773)
EPA violation data for public water systems serving ZIP code 91773.
No Health-Based Violations
None of the 21 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are2 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 36% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
33,598
Population
21
Water Systems
2
Violations (5yr)
0
Health-Based
Location
Loading map...
Water Systems Serving This Area (21)
Griffith Park
Los Angeles-City, Dept. Of Water & Power
Long Beach Utilities Department
Gswc-San Dimas
Gswc - Claremont
Fort Bliss Main Post Area
Gswc-South Arcadia
Gswc-South San Gabriel
East Biggs Water System
All resolvedGswc - Calipatria
So Ca Water Co-Victorville 4
Fort Bliss Biggs Army Airfield
Camp Glen Rocky Water
Golden State Water Morongo Delnorte
San Dimas Canyon Improvment Association
Southern Calif Wc - Cypress
Southern Calif Wc - Lemon Hght
Southern Calif Wc - Stanton
Southern Calif Wc
Magic Lamp Mobilehome Club
Fort Bliss Site Monitor
Contaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Los Angeles (91773) has more violations than 36% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 2, most of which are monitoring/reporting issues.
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.