ANN ARBOR
Ann Arbor, MI · 123,851 served
ANN ARBOR serves 123,851 people in Ann Arbor, MI. It has 0 health-based violations in the last 5 years. TapGraded gives this system an A.
Score breakdown
Health-based violations (5y)
0
Monitoring violations (5y)
0
Currently unaddressed
0
Overall score
100/100
Violation history (last 5 years)
No violations on record.
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Lead (Lead and Copper Rule)
EPA's current lead action level is 15 ppb (dropping to 10 ppb in 2027 under the Lead and Copper Rule Improvements).
PFAS (UCMR5 occurrence data)
System details
- System type
- Community water system
- Water source
- Surface water
- Ownership
- Local government
- Service connections
- 26,050
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Is Ann Arbor, MI tap water safe to drink?
ANN ARBOR has 0 health-based violations in the last 5 years. TapGraded gives this system an A.
Does ANN ARBOR have lead in its water?
The most recent 90th-percentile lead sample is 2.3 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in ANN ARBOR's water?
This system was tested under UCMR5 and no PFAS was detected above the reporting limit in the analytes we track.
Source: EPA SDWIS/ECHO · Data as of 2026Q2