CASITAS DE CASTILIAN
PWS ID: AZ0420531 · TUCSON, Arizona 85704
Population Served
167
Total Violations
129
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Public/Private
- Connections
- 120
- County
- Pima
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 91
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 13 | 2024 |
| Coliform (TCR) | MR | 7 | 2013 |
| E. COLI | MR | 6 | 2024 |
| Revised Total Coliform Rule | MCL | 5 | 2023 |
| Lead and Copper Rule | MR | 4 | 2021 |
| Revised Total Coliform Rule | Other | 3 | 2020 |
| Revised Total Coliform Rule | RPT | 3 | 2024 |
| 1,2,4-Trichlorobenzene | MR | 2 | 2002 |
| cis-1,2-Dichloroethylene | MR | 2 | 2002 |
| DICHLOROMETHANE | MR | 2 | 2002 |
| o-Dichlorobenzene | MR | 2 | 2002 |
| 1,1-Dichloroethylene | MR | 2 | 2002 |
| trans-1,2-Dichloroethylene | MR | 2 | 2002 |
| 1,1,1-Trichloroethane | MR | 2 | 2002 |
| Carbon tetrachloride | MR | 2 | 2002 |
| Ethylbenzene | MR | 2 | 2002 |
| 1,2-Dichloroethane | MR | 2 | 2002 |
| 1,1,2-Trichloroethane | MR | 2 | 2002 |
| Benzene | MR | 2 | 2002 |
| Styrene | MR | 2 | 2002 |
| Di(2-ethylhexyl) phthalate | MR | 2 | 2025 |
| Xylenes, Total | MR | 2 | 2002 |
| Toluene | MR | 2 | 2002 |
| Selenium | MR | 1 | 1992 |
| p-Dichlorobenzene | MR | 1 | 1998 |
| Tetrachloroethylene | MR | 1 | 1998 |
| CHLOROBENZENE | MR | 1 | 1998 |
| Endrin | MR | 1 | 1998 |
| BHC-GAMMA | MR | 1 | 1998 |
| Methoxychlor | MR | 1 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.