MONTANA CITY SCHOOL DIST 27
PWS ID: MT0001393 · CLANCY, Montana 59634
Population Served
534
Total Violations
66
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 1
- County
- Jefferson
- School/Daycare
- Yes
- MCL Violations
- 0
- Monitoring Violations
- 64
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 19 | 2012 |
| Lead and Copper Rule | MR | 13 | 2007 |
| Revised Total Coliform Rule | MON | 12 | 2025 |
| Di(2-ethylhexyl) phthalate | MR | 6 | 2008 |
| Nitrate-Nitrite | MR | 4 | 2021 |
| Arsenic | MR | 3 | 2009 |
| TTHM | MR | 3 | 2016 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2016 |
| Nitrate | MR | 1 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.