Water Quality in Fresno, CA
Detailed water quality data for Fresno, California including contaminant levels, EPA comparisons, AquaScore™ grading, and treatment recommendations.
Water utility: City of Fresno Department of Public Utilities.
Water source: Groundwater wells, Kings River, San Joaquin River.
Key Contaminants Found
- 1,2,3-Trichloropropane
- Chromium (hexavalent)
- Arsenic
- Uranium
- Nitrate
Fresno sits in the heart of California's Central Valley, where decades of intensive agriculture have contaminated groundwater. The legacy soil fumigant 1,2,3-TCP is found at levels far exceeding health guidelines.