PALO VERDE NUCLEAR GENERATING STATION
PWS ID: AZ0407412 · TONOPAH, Arizona 85354-7529
Population Served
3,000
Total Violations
40
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 55
- County
- Maricopa
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 35
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 3 | 2009 |
| Arsenic | MR | 3 | 2021 |
| Nitrate | MR | 2 | 2000 |
| Endothall | MR | 1 | 1999 |
| 2,3,7,8-TCDD | MR | 1 | 2002 |
| Lead and Copper Rule | MR | 1 | 2004 |
| Benzene | MR | 1 | 1987 |
| Chromium | MR | 1 | 1990 |
| o-Dichlorobenzene | MR | 1 | 1987 |
| DICHLOROMETHANE | MR | 1 | 1987 |
| Tetrachloroethylene | MR | 1 | 1987 |
| cis-1,2-Dichloroethylene | MR | 1 | 1987 |
| Styrene | MR | 1 | 1987 |
| trans-1,2-Dichloroethylene | MR | 1 | 1987 |
| 1,1,1-Trichloroethane | MR | 1 | 1987 |
| Ethylbenzene | MR | 1 | 1987 |
| Mercury | MR | 1 | 1990 |
| Fluoride | MCL | 1 | 1980 |
| Barium | MR | 1 | 1990 |
| CHLOROBENZENE | MR | 1 | 1987 |
| Fluoride | MR | 1 | 1990 |
| Toluene | MR | 1 | 1987 |
| Carbon tetrachloride | MR | 1 | 1987 |
| 1,1-Dichloroethylene | MR | 1 | 1987 |
| Cadmium | MR | 1 | 1990 |
| Trichloroethylene | MR | 1 | 1987 |
| 1,2-Dichloropropane | MR | 1 | 1987 |
| p-Dichlorobenzene | MR | 1 | 1987 |
| 1,2-Dichloroethane | MR | 1 | 1987 |
| Chlorine | MR | 1 | 2006 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.