BERNEIL WATER COMPANY
PWS ID: AZ0407008 · TEMPE, Arizona 85280
Population Served
1,388
Total Violations
262
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 553
- County
- Maricopa
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 236
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 34 | 2017 |
| Arsenic | MR | 21 | 2023 |
| Consumer Confidence Rule | Other | 14 | 2016 |
| Nitrate | MR | 11 | 2004 |
| Revised Total Coliform Rule | RPT | 7 | 2020 |
| Lead and Copper Rule | MR | 6 | 2020 |
| 1,2,4-Trichlorobenzene | MR | 4 | 2002 |
| Xylenes, Total | MR | 4 | 2002 |
| Glyphosate | MR | 3 | 2004 |
| Barium | MR | 3 | 1998 |
| Cadmium | MR | 3 | 1998 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2020 |
| TTHM | MR | 3 | 2020 |
| Fluoride | MR | 3 | 1998 |
| Coliform (TCR) | MR | 3 | 2010 |
| cis-1,2-Dichloroethylene | MR | 3 | 2002 |
| DICHLOROMETHANE | MR | 3 | 2002 |
| 1,1-Dichloroethylene | MR | 3 | 2002 |
| trans-1,2-Dichloroethylene | MR | 3 | 2002 |
| Carbon tetrachloride | MR | 3 | 2002 |
| 1,2-Dichloropropane | MR | 3 | 2002 |
| Trichloroethylene | MR | 3 | 2002 |
| 1,1,2-Trichloroethane | MR | 3 | 2002 |
| Tetrachloroethylene | MR | 3 | 2002 |
| CHLOROBENZENE | MR | 3 | 2002 |
| Ethylbenzene | MR | 3 | 2002 |
| Styrene | MR | 3 | 2002 |
| 1,1,1-Trichloroethane | MR | 3 | 2002 |
| Benzene | MR | 3 | 2002 |
| o-Dichlorobenzene | MR | 3 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.