PORTAGE TOWNSHIP
PWS ID: MI0003330 · HOUGHTON, Michigan 49931
Population Served
1,214
Total Violations
112
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 528
- County
- Houghton
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 100
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 28 | 2000 |
| TTHM | MR | 19 | 2020 |
| Total Haloacetic Acids (HAA5) | MR | 19 | 2020 |
| Lead and Copper Rule | MR | 15 | 2023 |
| Revised Total Coliform Rule | MON | 13 | 2020 |
| Chlorine | MR | 6 | 2024 |
| Revised Total Coliform Rule | RPT | 5 | 2022 |
| Consumer Confidence Rule | Other | 2 | 2019 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.