CLARK'S BAY REC SITE
PWS ID: MT0004691 · HELENA, Montana 59602
Population Served
250
Total Violations
39
Health-Based Violations
15
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Local
- Connections
- 4
- County
- Lewis and Clark
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 24
- Treatment Tech Violations
- 15
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | MR | 15 | 2018 |
| Groundwater Rule | TT | 12 | 2018 |
| Revised Total Coliform Rule | MON | 7 | 2020 |
| Revised Total Coliform Rule | TT | 3 | 2017 |
| Nitrate-Nitrite | MR | 2 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.