LOCH ALPINE SANITARY AUTHORITY
PWS ID: MI0003940 · ANN ARBOR, Michigan 48130
Population Served
1,506
Total Violations
16
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 538
- County
- Washtenaw
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 15
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 5 | 1997 |
| Lead and Copper Rule | MR | 4 | 2023 |
| TTHM | MR | 3 | 2020 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2020 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.