EUREKA TOWN OF
PWS ID: MT0000210 · EUREKA, Montana 59917
Population Served
1,995
Total Violations
75
Health-Based Violations
14
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 747
- County
- Lincoln
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 60
- Treatment Tech Violations
- 8
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 53 | 2017 |
| Coliform (TCR) | MCL | 6 | 2009 |
| Surface Water Treatment Rule | TT | 6 | 2011 |
| Arsenic | MR | 2 | 2003 |
| TTHM | MR | 2 | 2007 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2007 |
| Lead and Copper Rule | TT | 2 | 2006 |
| Coliform (TCR) | MR | 1 | 1994 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.