OLD AGENCY
PWS ID: 055294208 · CASS LAKE, 05 56633
Population Served
30
Total Violations
34
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 8
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 27
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 11 | 2021 |
| Coliform (TCR) | MR | 7 | 2011 |
| Revised Total Coliform Rule | RPT | 4 | 2024 |
| Chlorine | MR | 4 | 2024 |
| CYANIDE | MR | 2 | 2022 |
| Consumer Confidence Rule | Other | 1 | 2006 |
| Combined Uranium | MR | 1 | 2008 |
| Combined Radium (-226 and -228) | MR | 1 | 2008 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.