LAST CHANCE CHAPEL
PWS ID: MT0004180 · HELENA, Montana 59602
Population Served
313
Total Violations
154
Health-Based Violations
61
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Lewis and Clark
- School/Daycare
- No
- MCL Violations
- 58
- Monitoring Violations
- 93
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 66 | 2014 |
| Nitrate-Nitrite | MCL | 53 | 2019 |
| Nitrate-Nitrite | MR | 18 | 2011 |
| Revised Total Coliform Rule | MON | 6 | 2021 |
| Coliform (TCR) | MCL | 5 | 2015 |
| Revised Total Coliform Rule | TT | 3 | 2022 |
| E. COLI | MR | 3 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.