BARTON HILLS
PWS ID: MI0000430 · ANN ARBOR, Michigan 48105
Population Served
450
Total Violations
46
Health-Based Violations
28
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 140
- County
- Washtenaw
- School/Daycare
- No
- MCL Violations
- 28
- Monitoring Violations
- 12
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 28 | 2012 |
| Coliform (TCR) | MR | 12 | 2006 |
| Revised Total Coliform Rule | RPT | 4 | 2020 |
| Consumer Confidence Rule | Other | 2 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.