JEFFERSON TRACTS ASSOC INC
PWS ID: MT0003614 · CLANCY, Montana 59634
Population Served
80
Total Violations
185
Health-Based Violations
16
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 33
- County
- Jefferson
- School/Daycare
- No
- MCL Violations
- 16
- Monitoring Violations
- 162
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 16 | 2010 |
| Consumer Confidence Rule | Other | 7 | 2023 |
| Glyphosate | MR | 6 | 2020 |
| Total Polychlorinated Biphenyls (PCB) | MR | 6 | 2020 |
| ETHYLENE DIBROMIDE | MR | 6 | 2020 |
| Diquat | MR | 6 | 2020 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 6 | 2020 |
| Endothall | MR | 6 | 2020 |
| Arsenic | MR | 6 | 2010 |
| Lead and Copper Rule | MR | 5 | 2025 |
| Endrin | MR | 3 | 1999 |
| Methoxychlor | MR | 3 | 1999 |
| Toxaphene | MR | 3 | 1999 |
| Di(2-ethylhexyl) adipate | MR | 3 | 1999 |
| Simazine | MR | 3 | 1999 |
| Aldicarb sulfoxide | MR | 3 | 1999 |
| Aldicarb sulfone | MR | 3 | 1999 |
| Aldicarb | MR | 3 | 1999 |
| Atrazine | MR | 3 | 1999 |
| 2,3,7,8-TCDD | MR | 3 | 1999 |
| Heptachlor | MR | 3 | 1999 |
| 2,4-D | MR | 3 | 1999 |
| 2,4,5-TP | MR | 3 | 1999 |
| Benzo(a)pyrene | MR | 3 | 1999 |
| Chlordane | MR | 3 | 1999 |
| Barium | MR | 3 | 1999 |
| Chromium | MR | 3 | 1999 |
| Fluoride | MR | 3 | 1999 |
| Mercury | MR | 3 | 1999 |
| Nickel | MR | 3 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.