TOLAS WATERWORKS CO OP
PWS ID: NV0000055 · PASADENA, Nevada 91107
Population Served
190
Total Violations
589
Health-Based Violations
155
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 103
- County
- Churchill
- School/Daycare
- No
- MCL Violations
- 155
- Monitoring Violations
- 391
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 83 | 2015 |
| Combined Uranium | MCL | 61 | 2010 |
| Nitrate | MR | 22 | 2010 |
| Consumer Confidence Rule | Other | 19 | 2007 |
| Chlorine | MR | 19 | 2005 |
| Coliform (TCR) | MR | 14 | 2002 |
| Coliform (TCR) | MCL | 11 | 2002 |
| cis-1,2-Dichloroethylene | MR | 7 | 2008 |
| Xylenes, Total | MR | 7 | 2008 |
| o-Dichlorobenzene | MR | 7 | 2008 |
| trans-1,2-Dichloroethylene | MR | 7 | 2008 |
| 1,2-Dichloroethane | MR | 7 | 2008 |
| Carbon tetrachloride | MR | 7 | 2008 |
| 1,2-Dichloropropane | MR | 7 | 2008 |
| Tetrachloroethylene | MR | 7 | 2008 |
| CHLOROBENZENE | MR | 7 | 2008 |
| Benzene | MR | 7 | 2008 |
| Styrene | MR | 7 | 2008 |
| 1,2,4-Trichlorobenzene | MR | 7 | 2008 |
| 1,1,2-Trichloroethane | MR | 7 | 2008 |
| DICHLOROMETHANE | MR | 7 | 2008 |
| p-Dichlorobenzene | MR | 7 | 2008 |
| 1,1,1-Trichloroethane | MR | 7 | 2008 |
| Trichloroethylene | MR | 7 | 2008 |
| Toluene | MR | 7 | 2008 |
| Ethylbenzene | MR | 7 | 2008 |
| 1,1-Dichloroethylene | MR | 7 | 2008 |
| Vinyl chloride | MR | 7 | 2008 |
| Endrin | MR | 6 | 2008 |
| BHC-GAMMA | MR | 6 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.