CHATHAM
PWS ID: MI0001355 · CHATHAM, Michigan 49816
Population Served
300
Total Violations
114
Health-Based Violations
39
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 132
- County
- Alger
- School/Daycare
- No
- MCL Violations
- 37
- Monitoring Violations
- 71
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 29 | 2015 |
| Nitrate | MR | 9 | 2025 |
| Combined Radium (-226 and -228) | MCL | 8 | 2016 |
| Coliform (TCR) | MR | 7 | 2001 |
| CYANIDE | MR | 4 | 2010 |
| Lead and Copper Rule | MR | 2 | 2019 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| Heptachlor | MR | 1 | 2023 |
| cis-1,2-Dichloroethylene | MR | 1 | 2023 |
| HEXACHLOROBENZENE | MR | 1 | 2023 |
| o-Dichlorobenzene | MR | 1 | 2023 |
| trans-1,2-Dichloroethylene | MR | 1 | 2023 |
| 2,4-D | MR | 1 | 2023 |
| Pentachlorophenol | MR | 1 | 2023 |
| Aldicarb sulfone | MR | 1 | 2023 |
| 1,1,1-Trichloroethane | MR | 1 | 2023 |
| Radium-226 | MR | 1 | 2023 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 2023 |
| 1,2-Dichloroethane | MR | 1 | 2023 |
| Radium-228 | MR | 1 | 2023 |
| CHLOROBENZENE | MR | 1 | 2023 |
| 1,1-Dichloroethylene | MR | 1 | 2023 |
| Atrazine | MR | 1 | 2023 |
| Tetrachloroethylene | MR | 1 | 2023 |
| Aldicarb | MR | 1 | 2023 |
| Carbon tetrachloride | MR | 1 | 2023 |
| Endrin | MR | 1 | 2023 |
| Ethylbenzene | MR | 1 | 2023 |
| Hexachlorocyclopentadiene | MR | 1 | 2023 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.