WOODMAN SCHOOL DISTRICT 18
PWS ID: MT0003731 · LOLO, Montana 59847
Population Served
36
Total Violations
295
Health-Based Violations
10
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- State
- Connections
- 3
- County
- Missoula
- School/Daycare
- Yes
- MCL Violations
- 10
- Monitoring Violations
- 285
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 53 | 2015 |
| Coliform (TCR) | MCL | 10 | 2015 |
| Nitrate-Nitrite | MR | 10 | 2012 |
| Lead and Copper Rule | MR | 7 | 2014 |
| Asbestos | MR | 4 | 2011 |
| Barium | MR | 4 | 2005 |
| Cadmium | MR | 4 | 2005 |
| Fluoride | MR | 4 | 2005 |
| Nickel | MR | 4 | 2005 |
| Antimony, Total | MR | 4 | 2005 |
| Selenium | MR | 4 | 2005 |
| 1,2,4-Trichlorobenzene | MR | 4 | 2005 |
| cis-1,2-Dichloroethylene | MR | 4 | 2005 |
| Xylenes, Total | MR | 4 | 2005 |
| DICHLOROMETHANE | MR | 4 | 2005 |
| p-Dichlorobenzene | MR | 4 | 2005 |
| Vinyl chloride | MR | 4 | 2005 |
| 1,1-Dichloroethylene | MR | 4 | 2005 |
| trans-1,2-Dichloroethylene | MR | 4 | 2005 |
| 1,2-Dichloroethane | MR | 4 | 2005 |
| 1,1,1-Trichloroethane | MR | 4 | 2005 |
| Carbon tetrachloride | MR | 4 | 2005 |
| 1,2-Dichloropropane | MR | 4 | 2005 |
| Benzene | MR | 4 | 2005 |
| Ethylbenzene | MR | 4 | 2005 |
| Styrene | MR | 4 | 2005 |
| E. COLI | MR | 4 | 2017 |
| Mercury | MR | 4 | 2005 |
| Thallium, Total | MR | 4 | 2005 |
| o-Dichlorobenzene | MR | 4 | 2005 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.