Is Tap Water Safe to Drink in Tucson?
Yes, tap water in Tucson is safe to drink. It's supplied by a blend of Colorado River water (via the Central Arizona Project) recharged into local aquifers, and groundwater, treated to meet all EPA standards.
Water Source
Tucson Water blends Central Arizona Project (Colorado River) water, recharged into the ground and later recovered, with local groundwater wells, an approach the utility developed to manage its desert aquifer sustainably.
EPA Compliance Status
Meets all federal Safe Drinking Water Act standards.
Notable Contaminants & Context
- •A legacy industrial solvent (TCE) plume from decades-old activity near Tucson International Airport affected some south-side wells; those wells have long been treated or taken offline, and the issue does not affect the city's current delivered supply
- •No significant ongoing compliance concerns in current treated supply
How It Compares
Tucson's aquifer-recharge approach, storing Colorado River water underground before use, is frequently cited as a model for sustainable desert water management, distinct from the long-resolved south-side well contamination case.
Tips
- •A water softener addresses hardness/taste preference but isn't required for safety
- •Tucson Water publishes an annual water quality report
- •No need for bottled water around the city
Frequently Asked Questions
Sources & References
The safety rating and guidance on this page draw on the following sources. See our full methodology.
- •US EPA Safe Drinking Water Act regulations
- •EWG Tap Water Database
- •The utility's most recent Consumer Confidence Report (CCR)
- •WHO Guidelines for Drinking-water Quality