WILLOW BEACH NPS
PWS ID: AZ0408704 · BOULDER CITY, Arizona 89005
Population Served
789
Total Violations
376
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Federal
- Connections
- 15
- County
- Mohave
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 339
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 38 | 2024 |
| Nitrate | MR | 25 | 2025 |
| Arsenic | MR | 24 | 2025 |
| cis-1,2-Dichloroethylene | MR | 10 | 2023 |
| Xylenes, Total | MR | 10 | 2023 |
| DICHLOROMETHANE | MR | 10 | 2023 |
| o-Dichlorobenzene | MR | 10 | 2023 |
| p-Dichlorobenzene | MR | 10 | 2023 |
| 1,1-Dichloroethylene | MR | 10 | 2023 |
| trans-1,2-Dichloroethylene | MR | 10 | 2023 |
| 1,1,1-Trichloroethane | MR | 10 | 2023 |
| Carbon tetrachloride | MR | 10 | 2023 |
| 1,2-Dichloropropane | MR | 10 | 2023 |
| Trichloroethylene | MR | 10 | 2023 |
| 1,1,2-Trichloroethane | MR | 10 | 2023 |
| Benzene | MR | 10 | 2023 |
| Ethylbenzene | MR | 10 | 2023 |
| Styrene | MR | 10 | 2023 |
| 1,2-Dichloroethane | MR | 10 | 2023 |
| Tetrachloroethylene | MR | 10 | 2023 |
| CHLOROBENZENE | MR | 10 | 2023 |
| 1,2,4-Trichlorobenzene | MR | 10 | 2023 |
| Toluene | MR | 10 | 2023 |
| Vinyl chloride | MR | 9 | 2023 |
| Consumer Confidence Rule | Other | 6 | 2017 |
| Revised Total Coliform Rule | RPT | 4 | 2022 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 2013 |
| Coliform (TCR) | MR | 3 | 2004 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2025 |
| Asbestos | MR | 3 | 2010 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.