AWC - CASA GRANDE WEST WATER COMPANY
PWS ID: AZ0411024 · PHOENIX, Arizona 85015-5351
Population Served
943
Total Violations
391
Health-Based Violations
46
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 322
- County
- Pinal
- School/Daycare
- No
- MCL Violations
- 46
- Monitoring Violations
- 313
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MR | 74 | 2018 |
| Arsenic | MCL | 46 | 2011 |
| Chlorine | MR | 27 | 2021 |
| Lead and Copper Rule | MR | 26 | 2018 |
| Coliform (TCR) | MR | 14 | 2013 |
| Consumer Confidence Rule | Other | 11 | 2015 |
| TTHM | MR | 8 | 2017 |
| Total Haloacetic Acids (HAA5) | MR | 8 | 2017 |
| Nitrate | MR | 7 | 2006 |
| cis-1,2-Dichloroethylene | MR | 5 | 2002 |
| DICHLOROMETHANE | MR | 5 | 2002 |
| o-Dichlorobenzene | MR | 5 | 2002 |
| p-Dichlorobenzene | MR | 5 | 2002 |
| 1,1-Dichloroethylene | MR | 5 | 2002 |
| 1,2-Dichloroethane | MR | 5 | 2002 |
| Carbon tetrachloride | MR | 5 | 2002 |
| Toluene | MR | 5 | 2002 |
| Tetrachloroethylene | MR | 5 | 2002 |
| Benzene | MR | 5 | 2002 |
| trans-1,2-Dichloroethylene | MR | 5 | 2002 |
| Trichloroethylene | MR | 5 | 2002 |
| 1,1,2-Trichloroethane | MR | 5 | 2002 |
| CHLOROBENZENE | MR | 5 | 2002 |
| Ethylbenzene | MR | 5 | 2002 |
| Styrene | MR | 5 | 2002 |
| 1,1,1-Trichloroethane | MR | 5 | 2002 |
| 1,2-Dichloropropane | MR | 5 | 2002 |
| 1,2,4-Trichlorobenzene | MR | 4 | 2002 |
| Xylenes, Total | MR | 4 | 2002 |
| Barium | MR | 2 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.