MCDERMITT WATER SYSTEM
PWS ID: NV0000162 · WINNEMUCCA, Nevada 89445
Population Served
200
Total Violations
242
Health-Based Violations
134
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 110
- County
- Humboldt
- School/Daycare
- No
- MCL Violations
- 134
- Monitoring Violations
- 88
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 107 | 2021 |
| Coliform (TCR) | MCL | 27 | 2015 |
| Coliform (TCR) | MR | 10 | 2015 |
| 1,2,4-Trichlorobenzene | MR | 3 | 2000 |
| cis-1,2-Dichloroethylene | MR | 3 | 2000 |
| o-Dichlorobenzene | MR | 3 | 2000 |
| p-Dichlorobenzene | MR | 3 | 2000 |
| 1,1-Dichloroethylene | MR | 3 | 2000 |
| 1,2-Dichloroethane | MR | 3 | 2000 |
| Carbon tetrachloride | MR | 3 | 2000 |
| CHLOROBENZENE | MR | 3 | 2000 |
| Benzene | MR | 3 | 2000 |
| Toluene | MR | 3 | 2000 |
| Styrene | MR | 3 | 2000 |
| Di(2-ethylhexyl) phthalate | MR | 3 | 2001 |
| Revised Total Coliform Rule | MON | 3 | 2019 |
| DICHLOROMETHANE | MR | 3 | 2000 |
| Xylenes, Total | MR | 3 | 2000 |
| Vinyl chloride | MR | 3 | 2000 |
| Arsenic | MR | 3 | 2021 |
| trans-1,2-Dichloroethylene | MR | 3 | 2000 |
| Trichloroethylene | MR | 3 | 2000 |
| 2,3,7,8-TCDD | MR | 3 | 2015 |
| 1,1,2-Trichloroethane | MR | 3 | 2000 |
| 1,2-Dichloropropane | MR | 3 | 2000 |
| Tetrachloroethylene | MR | 3 | 2000 |
| Ethylbenzene | MR | 3 | 2000 |
| Chlorine | MR | 3 | 2020 |
| 1,1,1-Trichloroethane | MR | 3 | 2000 |
| Consumer Confidence Rule | Other | 1 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.