MOUNTAIN WSD
PWS ID: CO0130100 · CONIFER, Colorado 80433
Population Served
1,941
Total Violations
221
Health-Based Violations
59
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 399
- County
- Jefferson
- School/Daycare
- No
- MCL Violations
- 55
- Monitoring Violations
- 158
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Uranium | MCL | 35 | 2011 |
| Gross Alpha, Excl. Radon and U | MCL | 20 | 2009 |
| 1,2,4-Trichlorobenzene | MR | 6 | 2007 |
| o-Dichlorobenzene | MR | 6 | 2007 |
| trans-1,2-Dichloroethylene | MR | 6 | 2007 |
| 1,2-Dichloroethane | MR | 6 | 2007 |
| 1,1,1-Trichloroethane | MR | 6 | 2007 |
| Carbon tetrachloride | MR | 6 | 2007 |
| 1,2-Dichloropropane | MR | 6 | 2007 |
| 1,1,2-Trichloroethane | MR | 6 | 2007 |
| CHLOROBENZENE | MR | 6 | 2007 |
| Benzene | MR | 6 | 2007 |
| Ethylbenzene | MR | 6 | 2007 |
| cis-1,2-Dichloroethylene | MR | 6 | 2007 |
| Xylenes, Total | MR | 6 | 2007 |
| DICHLOROMETHANE | MR | 6 | 2007 |
| p-Dichlorobenzene | MR | 6 | 2007 |
| Vinyl chloride | MR | 6 | 2007 |
| 1,1-Dichloroethylene | MR | 6 | 2007 |
| Trichloroethylene | MR | 6 | 2007 |
| Toluene | MR | 6 | 2007 |
| Gross Alpha, Excl. Radon and U | MR | 6 | 2009 |
| Combined Uranium | MR | 6 | 2009 |
| Surface Water Treatment Rule | MR | 6 | 2024 |
| Tetrachloroethylene | MR | 6 | 2007 |
| Styrene | MR | 6 | 2007 |
| Coliform (TCR) | MR | 4 | 2013 |
| Chlorine | MR | 4 | 2013 |
| Interim Enhanced Surface Water Treatment Rule | TT | 4 | 2024 |
| Combined Radium (-226 and -228) | MR | 3 | 2009 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.