Water Quality: Ann Arbor, MI
10 water systems • 279,046 people served
Some Concerns58
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.