Water Quality in Phoenix, AZ
Detailed water quality data for Phoenix, Arizona including contaminant levels, EPA comparisons, AquaScore™ grading, and treatment recommendations.
Water utility: City of Phoenix Water Services.
Water source: Colorado River, Salt River, Verde River.
Key Contaminants Found
- Total trihalomethanes (TTHMs)
- Haloacetic acids (HAA5)
- Chromium (hexavalent)
- Arsenic
- Uranium
Phoenix water comes from surface sources that travel hundreds of miles through desert. Disinfection byproducts form when chlorine reacts with organic matter, and naturally occurring arsenic and uranium leach from desert geology.