SHERMAN TOWNSHIP
PWS ID: MI0002590 · LAKE LINDEN, Michigan 49945-9559
Population Served
40
Total Violations
190
Health-Based Violations
32
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 48
- County
- Keweenaw
- School/Daycare
- No
- MCL Violations
- 10
- Monitoring Violations
- 118
- Treatment Tech Violations
- 22
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 22 | 2003 |
| Lead and Copper Rule | MR | 16 | 2024 |
| Revised Total Coliform Rule | MON | 15 | 2022 |
| Total Haloacetic Acids (HAA5) | MR | 11 | 2022 |
| TTHM | MR | 7 | 2020 |
| Coliform (TCR) | MCL | 6 | 2012 |
| Coliform (TCR) | MR | 6 | 2010 |
| Consumer Confidence Rule | Other | 4 | 2023 |
| TTHM | MCL | 4 | 2002 |
| cis-1,2-Dichloroethylene | MR | 3 | 2024 |
| Xylenes, Total | MR | 3 | 2024 |
| DICHLOROMETHANE | MR | 3 | 2024 |
| trans-1,2-Dichloroethylene | MR | 3 | 2024 |
| 1,2-Dichloroethane | MR | 3 | 2024 |
| 1,1,1-Trichloroethane | MR | 3 | 2024 |
| Trichloroethylene | MR | 3 | 2024 |
| Tetrachloroethylene | MR | 3 | 2024 |
| Benzene | MR | 3 | 2024 |
| Toluene | MR | 3 | 2024 |
| Ethylbenzene | MR | 3 | 2024 |
| Styrene | MR | 3 | 2024 |
| 1,2,4-Trichlorobenzene | MR | 3 | 2024 |
| Vinyl chloride | MR | 3 | 2024 |
| 1,1,2-Trichloroethane | MR | 3 | 2024 |
| o-Dichlorobenzene | MR | 3 | 2024 |
| p-Dichlorobenzene | MR | 3 | 2024 |
| 1,2-Dichloropropane | MR | 3 | 2024 |
| 1,1-Dichloroethylene | MR | 3 | 2024 |
| Carbon tetrachloride | MR | 3 | 2024 |
| CHLOROBENZENE | MR | 3 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.