Water Quality in San Diego, CA
Detailed water quality data for San Diego, California including contaminant levels, EPA comparisons, AquaScore™ grading, and treatment recommendations.
Water utility: City of San Diego Public Utilities.
Water source: Colorado River Aqueduct, local reservoirs, recycled water.
Key Contaminants Found
- Chromium (hexavalent)
- Total trihalomethanes (TTHMs)
- Haloacetic acids (HAA5)
- Uranium
- Radiological contaminants
San Diego imports roughly 85% of its water from hundreds of miles away. The long travel distance and multiple treatment processes create conditions for disinfection byproduct formation.