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 reported in the utility's public water data.