NPS TEMPLE BAR WTP
PWS ID: AZ0408703 · BOULDER CITY, Arizona 89005
Population Served
305
Total Violations
403
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Federal
- Connections
- 14
- County
- Mohave
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 374
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 54 | 2024 |
| Nitrate | MR | 29 | 2020 |
| TTHM | MR | 14 | 2023 |
| Total Haloacetic Acids (HAA5) | MR | 14 | 2023 |
| Arsenic | MR | 14 | 2025 |
| Lead and Copper Rule | MR | 13 | 2024 |
| Consumer Confidence Rule | Other | 10 | 2017 |
| Gross Alpha, Excl. Radon and U | MR | 7 | 2013 |
| Revised Total Coliform Rule | RPT | 6 | 2024 |
| o-Dichlorobenzene | MR | 5 | 2004 |
| p-Dichlorobenzene | MR | 5 | 2004 |
| Carbon tetrachloride | MR | 5 | 2004 |
| trans-1,2-Dichloroethylene | MR | 5 | 2004 |
| 1,2-Dichloroethane | MR | 5 | 2004 |
| 1,1,1-Trichloroethane | MR | 5 | 2004 |
| Toluene | MR | 5 | 2004 |
| Styrene | MR | 5 | 2004 |
| 1,1-Dichloroethylene | MR | 5 | 2004 |
| 1,1,2-Trichloroethane | MR | 5 | 2004 |
| Tetrachloroethylene | MR | 5 | 2004 |
| CHLOROBENZENE | MR | 5 | 2004 |
| Benzene | MR | 5 | 2004 |
| Combined Uranium | MR | 5 | 2013 |
| Radium-226 | MR | 5 | 2013 |
| Combined Radium (-226 and -228) | MR | 5 | 2013 |
| Radium-228 | MR | 5 | 2013 |
| 1,2,4-Trichlorobenzene | MR | 5 | 2004 |
| cis-1,2-Dichloroethylene | MR | 5 | 2004 |
| 1,2-Dichloropropane | MR | 5 | 2004 |
| Trichloroethylene | MR | 5 | 2004 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.