Water Quality in Mesa, AZ
Detailed water quality data for Mesa, Arizona including contaminant levels, EPA comparisons, AquaScore™ grading, and treatment recommendations.
Water utility: City of Mesa.
Water source: Salt River Project, Colorado River.
Key Contaminants Found
- Chromium (hexavalent)
- Total trihalomethanes (TTHMs)
- Arsenic
- Haloacetic acids (HAA5)
- Uranium
Mesa's water comes from the same desert sources as Phoenix. Arsenic, uranium, and chromium occur naturally in the Sonoran Desert geology and are consistently detected above health guidelines.