MANASSA TOWN OF
PWS ID: CO0111700 · MANASSA, Colorado 81141
Population Served
976
Total Violations
353
Health-Based Violations
14
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 490
- County
- Conejos
- School/Daycare
- No
- MCL Violations
- 14
- Monitoring Violations
- 304
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 35 | 2015 |
| Coliform (TCR) | MCL | 14 | 2010 |
| Nitrate | MR | 14 | 2015 |
| Chlorine | MR | 12 | 2022 |
| Consumer Confidence Rule | Other | 9 | 2016 |
| Xylenes, Total | MR | 9 | 2020 |
| TTHM | MR | 9 | 2023 |
| Total Haloacetic Acids (HAA5) | MR | 9 | 2023 |
| Fluoride | MR | 6 | 2011 |
| Combined Uranium | MR | 6 | 2008 |
| Gross Alpha, Excl. Radon and U | MR | 6 | 2008 |
| Ethylbenzene | MR | 6 | 2020 |
| Lead and Copper Rule | MR | 6 | 2017 |
| Revised Total Coliform Rule | MON | 6 | 2022 |
| Public Notice | Other | 5 | 2022 |
| 1,2,4-Trichlorobenzene | MR | 3 | 2011 |
| DICHLOROMETHANE | MR | 3 | 2011 |
| p-Dichlorobenzene | MR | 3 | 2011 |
| 1,1,1-Trichloroethane | MR | 3 | 2011 |
| 1,2-Dichloropropane | MR | 3 | 2011 |
| Trichloroethylene | MR | 3 | 2011 |
| 1,1,2-Trichloroethane | MR | 3 | 2011 |
| Tetrachloroethylene | MR | 3 | 2011 |
| CHLOROBENZENE | MR | 3 | 2011 |
| Benzene | MR | 3 | 2011 |
| Toluene | MR | 3 | 2011 |
| Styrene | MR | 3 | 2011 |
| BHC-GAMMA | MR | 3 | 2011 |
| Methoxychlor | MR | 3 | 2011 |
| Toxaphene | MR | 3 | 2011 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.