Water Quality: Ann Arbor, MI

10 water systems • 279,046 people served

Some Concerns
58
Total Violations
2
Health-Based Violations
10
Water Systems
279,046
Population Served

Water Quality Summary

Ann Arbor has 2 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: E. coli. In total, 58 violations are on record for 10 water systems serving 279,046 people.

Contaminants Found

E. coli

Water Systems Serving Ann Arbor

System Name PWSID Source Population Violations
ANN ARBOR MI0000220 Surface Water 241,868 2
PITTSFIELD TOWNSHIP MI0005360 Surface Water 24,500 19
SCIO TOWNSHIP MI0005977 Surface Water 8,500 9
LOCH ALPINE SANITARY AUTHORITY MI0003940 Groundwater 1,506 6
ANN ARBOR TOWNSHIP MI0000221 Surface Water 1,338 5
BARTON HILLS MI0000430 Groundwater 450 3
SALINE VALLEY FARMS MI0005901 Groundwater 375 5
WHITMORE LAKE APARTMENTS MI0007101 Groundwater 281 3
COPPER MEADOWS MI0001631 Groundwater 128 4
SISTERS OF MARY, MOTHER OF EUCHARIST MI0006074 Groundwater 100 2

Concerned About Your Water?

A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.

Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.

Data Sources

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.

Verify at epa.govSearch ECHO for MI