Phoenix, Arizona Water Quality Report
Comprehensive analysis of tap water safety based on EPA data
Last updated: January 2026
Is Phoenix's Water Safe to Drink?
Some Concerns. Phoenix's tap water has some contaminants worth monitoring. Consider a water filter for extra protection. Score: 73/100.
Contaminants Found in Phoenix's Water
1 contaminants tested • Data from EPA SDWIS database
| Contaminant | Level Detected | EPA Limit | % of Limit | Status |
|---|---|---|---|---|
Lead | 0.0027 mg/L | 0.015 mg/L | 18.3% | Safe |
Compliance Violations
Past EPA violations recorded for Phoenix's water system
other
Contaminant 8000 - 5/1/2025
other
Contaminant 0200 - 5/1/2025
monitoring
Lead - 1/1/2023
other
Contaminant 0300 - 1/1/2021
Resolvedmonitoring
Lead - 10/1/2018
ResolvedShowing 5 of 6 violations
About Phoenix's Water System
PHOENIX CITY OF
- PWS ID:
- AZ0407025
- Population Served:
- 1,695,000
- Water Source:
- surface
Phoenix Water Quality Score
Based on EPA contaminant data and compliance records
Areas of Concern
- 4 unresolved violation(s)
Positive Findings
- Above average water quality
- No health-based (MCL) violations
- All tested contaminants well below EPA limits
- Low lead levels detected
Protect Your Family's Water
Even with good water quality, many families choose to filter their water for extra peace of mind.
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Other Cities in Arizona
Compare water quality with nearby cities.
View all Arizona cities →Frequently Asked Questions
- Where does Phoenix's water come from?
- Phoenix primarily uses surface water sources.
- How often is Phoenix's water tested?
- Water utilities are required to test for contaminants regularly and report results to the EPA.
- Should I use a water filter in Phoenix?
- While the water meets EPA standards, many families choose filters for extra peace of mind.