Water Quality: Los Angeles, CA
16 water systems • 4,029,090 people served
Multiple Health Violations130
Total Violations
87
Health-Based Violations
16
Water Systems
4,029,090
Population Served
Water Quality Summary
Los Angeles has 87 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Barium, Bromate, Chlorine Dioxide, Fecal Coliform, Stage 2 DBP. In total, 130 violations are on record for 16 water systems serving 4,029,090 people.
Contaminants Found
Barium
Bromate
Chlorine Dioxide
Fecal Coliform
Stage 2 DBP
Water Systems Serving Los Angeles
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| LOS ANGELES-CITY, DEPT. OF WATER & POWER | CA1910067 | Surface Water | 3,875,566 | 16 |
| SANTA MONICA-CITY, WATER DIVISION | CA1910146 | Surface Water | 89,947 | 0 |
| MONTEREY PARK-CITY, WATER DEPT. | CA1910092 | Groundwater | 62,183 | 2 |
| GLENWOOD MOBILE ESTATES | CA1400030 | Groundwater | 468 | 3 |
| MOUNTAIN VIEW TRAILER COURT | CA1400099 | Groundwater | 320 | 7 |
| STONEGATE MOBILE HOME PARK | CA4900795 | Groundwater | 196 | 1 |
| FIRE SUPPRESSION CAMP #19 | CA1900901 | Surface Water | 125 | 2 |
| CALIFORNIA CONSERVATION CAMP #14 | CA1900007 | Surface Water | 107 | 3 |
| KERN MOBILE ESTATES LLC | CA1500571 | Groundwater | 73 | 90 |
| LOS ANGELES, CITY OF - POWER PLANT #2 | CA1900542 | Surface Water | 44 | 1 |
| CONTROL GORGE POWER PLANT LADWP | CA1400155 | Surface Water | 32 | 3 |
| LOS ANGELES, CITY OF - POWER PLANT #1 | CA1900555 | Surface Water | 29 | 1 |
| LADWP - INDEPENDENCE | CA1410002 | Groundwater | 0 | 0 |
| LADWP - LONE PINE | CA1410003 | Groundwater | 0 | 0 |
| LADWP - BIG PINE | CA1410004 | Groundwater | 0 | 1 |
| LADWP - MANZANAR | CA1410510 | Groundwater | 0 | 0 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.