Tucson Water's Water Quality and Operations Division environmental scientists, chemists, analysts, disinfection personnel, system and water treatment operators, and inspectors work together to monitor the quality of our drinking water at more than 200 wells, 61 reservoirs, 266 sampling stations, and 125 selected homes throughout the Tucson Water service area.
See water quality tests closest to your home or business using our Online Water Quality Map
Reports and Publications
View annual water quality reports.
In Your Home and Business
Troubleshoot water issues in your home, identify treatment options, and learn about the proper way to dispose of medications.
Water Quality Monitoring
EPA regulations require water providers to routinely test public drinking water supplies for naturally-occurring or man-made organic and inorganic constituents.
In the Lab
Learn more about microorganisms and other naturally-occuring or man-made organic and inorganic constituents Tucson Water tests for.
Reclaimed Water, Backflow Prevention
Learn more about reclaimed water and backflow prevention.
Drinking Water Distribution System
All of the water delivered by Tucson Water to its customers is groundwater pumped from area aquifers.
- Call 520-791-5945
- Email CustomerSupportUnit@tucsonaz.gov