Water Quality in Ann Arbor, MI
182 water systems serving 299,859 people
City Overview
Average lead detection across Ann Arbor water systems is 2.4 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 2122 |
| Health-based violations | 506 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Ann Arbor
Frequently Asked Questions
Is Ann Arbor tap water safe to drink?
Ann Arbor 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 Ann Arbor, Michigan?
Ann Arbor has 182 public water systems serving approximately 299,859 people. The average lead level across sampled systems is 2.4 ppb. There are 2122 total violations on record.
Does Ann Arbor have lead in the water?
EPA monitoring data shows an average lead detection of 2.4 ppb across Ann Arbor's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Ann Arbor?
182 public water systems are registered in Ann Arbor, Michigan with the EPA Safe Drinking Water Information System. Together they serve approximately 299,859 people.