KATHERINE LANDING DWTP
PWS ID: AZ0408701 · BOULDER CITY, Arizona 89005
Population Served
1,300
Total Violations
943
Health-Based Violations
115
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Federal
- Connections
- 41
- County
- Mohave
- School/Daycare
- No
- MCL Violations
- 112
- Monitoring Violations
- 774
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 59 | 2021 |
| Total Haloacetic Acids (HAA5) | MCL | 53 | 2025 |
| Chlorine | MR | 52 | 2024 |
| Total Haloacetic Acids (HAA5) | MR | 36 | 2025 |
| TTHM | MR | 26 | 2023 |
| Nitrate | MR | 26 | 2009 |
| 1,2,4-Trichlorobenzene | MR | 22 | 2023 |
| cis-1,2-Dichloroethylene | MR | 22 | 2023 |
| Xylenes, Total | MR | 22 | 2023 |
| o-Dichlorobenzene | MR | 22 | 2023 |
| p-Dichlorobenzene | MR | 22 | 2023 |
| 1,1-Dichloroethylene | MR | 22 | 2023 |
| 1,1,1-Trichloroethane | MR | 22 | 2023 |
| Carbon tetrachloride | MR | 22 | 2023 |
| 1,2-Dichloropropane | MR | 22 | 2023 |
| 1,1,2-Trichloroethane | MR | 22 | 2023 |
| CHLOROBENZENE | MR | 22 | 2023 |
| Benzene | MR | 22 | 2023 |
| Ethylbenzene | MR | 22 | 2023 |
| Toluene | MR | 22 | 2023 |
| trans-1,2-Dichloroethylene | MR | 22 | 2023 |
| 1,2-Dichloroethane | MR | 22 | 2023 |
| Trichloroethylene | MR | 22 | 2023 |
| Tetrachloroethylene | MR | 22 | 2023 |
| Styrene | MR | 22 | 2023 |
| DICHLOROMETHANE | MR | 20 | 2023 |
| Surface Water Treatment Rule | MR | 20 | 2023 |
| Vinyl chloride | MR | 15 | 2023 |
| Consumer Confidence Rule | Other | 10 | 2017 |
| Interim Enhanced Surface Water Treatment Rule | MR | 10 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.