Water Quality in Los Angeles, CA
Detailed water quality data for Los Angeles, California including contaminant levels, EPA comparisons, AquaScore™ grading, and treatment recommendations.
Water utility: LADWP.
Water source: Sacramento-San Joaquin Delta, Colorado River, local groundwater.
Key Contaminants Found
- Chromium (hexavalent)
- Total trihalomethanes (TTHMs)
- Haloacetic acids (HAA5)
- Bromodichloromethane
- Radiological contaminants
Los Angeles water travels hundreds of miles from the Sierra Nevada and Colorado River. Hexavalent chromium, the 'Erin Brockovich' chemical, is consistently reported in the utility's public water data.