Water Quality Testing

Tucson, AZ Water Quality Testing Results

882,322 residents served·25 utility providers

Drinking water quality data for Tucson, AZ based on official EPA compliance records. This page covers all 25 EPA-tracked water systems serving Tucson.

Violation & compliance historyAvailable
PFAS monitoring recordsAvailable
Active contaminant violationsNot in current records

No current health violations on record

No open health-based violations are recorded for Tucson's water providers. Water meets current federal standards.

Overall Water Quality — Tucson

Overall Risk Level

Low Concern

No Concern
Low
Moderate
High
Critical

Minor detections below regulatory limits. Routine monitoring adequate.

Overall rating reflects the worst risk level among all utilities serving Tucson. Individual utility pages have full violation details.

Water utilities serving Tucson, AZ

The following utilities serve Tucson based on EPA service-area data. Your water bill is the most reliable way to confirm your provider.

Water Quality in Tucson

No active contaminant violations

No health-based contaminant violations are currently recorded for Tucson's water providers. Review each utility's Consumer Confidence Report for full test results.

Explore Water Quality in Tucson

Common Questions About Tucson Drinking Water

Public drinking water datasets may not include every recent test, private well result, household plumbing issue, or local advisory. Use this page as a starting point, not as a substitute for official guidance, your utility's Consumer Confidence Report, or professional testing.

Water Utility Report summarizes public records from official federal, state, utility, or testing datasets where available. For urgent health or compliance questions, contact your utility, local health department, or the EPA directly. How Water Utility Report uses public drinking water data

Independent Water Testing

Get your water tested by a certified lab

EPA compliance data shows what utilities report — an independent test confirms what's actually coming out of your tap. Certified labs in Arizona can test for PFAS, lead, nitrates, and dozens of other contaminants.

Tucson Water FAQs

Related Pages

Data Sources & Provenance

All data on this page is sourced from official U.S. government or public datasets.

EPA SDWIS — Violation & Compliance DataFederal drinking water databaseView source
EPA ECHO — Facility ReportsView source
Last updated: 2026-06-05
High Confidence
Annual refresh cycle