MID VALLEY CENTER
PWS ID: MT0004371 · STEVENSVILLE, Montana 59807
Population Served
36
Total Violations
261
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 2
- County
- Ravalli
- School/Daycare
- Yes
- MCL Violations
- 0
- Monitoring Violations
- 258
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 16 | 2025 |
| Lead and Copper Rule | MR | 8 | 2005 |
| Coliform (TCR) | MR | 6 | 2005 |
| Antimony, Total | MR | 4 | 2002 |
| Selenium | MR | 4 | 2002 |
| Endrin | MR | 4 | 2002 |
| BHC-GAMMA | MR | 4 | 2002 |
| Methoxychlor | MR | 4 | 2002 |
| Toxaphene | MR | 4 | 2002 |
| Di(2-ethylhexyl) adipate | MR | 4 | 2002 |
| OXAMYL | MR | 4 | 2002 |
| Simazine | MR | 4 | 2002 |
| Di(2-ethylhexyl) phthalate | MR | 4 | 2002 |
| Picloram | MR | 4 | 2002 |
| Aldicarb sulfoxide | MR | 4 | 2002 |
| Carbofuran | MR | 4 | 2002 |
| Atrazine | MR | 4 | 2002 |
| Heptachlor | MR | 4 | 2002 |
| Heptachlor epoxide | MR | 4 | 2002 |
| 2,4,5-TP | MR | 4 | 2002 |
| HEXACHLOROBENZENE | MR | 4 | 2002 |
| Chlordane | MR | 4 | 2002 |
| 1,2,4-Trichlorobenzene | MR | 4 | 2004 |
| cis-1,2-Dichloroethylene | MR | 4 | 2004 |
| Xylenes, Total | MR | 4 | 2004 |
| o-Dichlorobenzene | MR | 4 | 2004 |
| Vinyl chloride | MR | 4 | 2004 |
| 1,1-Dichloroethylene | MR | 4 | 2004 |
| trans-1,2-Dichloroethylene | MR | 4 | 2004 |
| 1,2-Dichloroethane | MR | 4 | 2004 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.