Water Quality in Flagstaff, AZ
100 water systems serving 125,636 people
City Overview
Average lead detection across Flagstaff water systems is 1.4 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 6048 |
| Health-based violations | 418 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Flagstaff
Frequently Asked Questions
Is Flagstaff tap water safe to drink?
Flagstaff tap water meets EPA standards for most contaminants. Review the individual water system pages below for the latest lead sample results and violation history.
What is the water quality in Flagstaff, Arizona?
Flagstaff has 100 public water systems serving approximately 125,636 people. The average lead level across sampled systems is 1.4 ppb. There are 6048 total violations on record.
Does Flagstaff have lead in the water?
EPA monitoring data shows an average lead detection of 1.4 ppb across Flagstaff's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Flagstaff?
100 public water systems are registered in Flagstaff, Arizona with the EPA Safe Drinking Water Information System. Together they serve approximately 125,636 people.