SIETE CASAS JOINT VENTURE
PWS ID: AZ0410242 · TUCSON, Arizona 85741
Population Served
25
Total Violations
91
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Public/Private
- Connections
- 19
- County
- Pima
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 52
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 19 | 2021 |
| Revised Total Coliform Rule | MON | 13 | 2020 |
| Coliform (TCR) | MR | 11 | 2014 |
| Nitrate | MR | 7 | 2000 |
| Public Notice | Other | 3 | 2021 |
| Coliform (TCR) | MCL | 1 | 2000 |
| cis-1,2-Dichloroethylene | MR | 1 | 1999 |
| o-Dichlorobenzene | MR | 1 | 1999 |
| p-Dichlorobenzene | MR | 1 | 1999 |
| trans-1,2-Dichloroethylene | MR | 1 | 1999 |
| 1,2-Dichloroethane | MR | 1 | 1999 |
| 1,1,1-Trichloroethane | MR | 1 | 1999 |
| Carbon tetrachloride | MR | 1 | 1999 |
| 1,1,2-Trichloroethane | MR | 1 | 1999 |
| Tetrachloroethylene | MR | 1 | 1999 |
| Toluene | MR | 1 | 1999 |
| Styrene | MR | 1 | 1999 |
| Revised Total Coliform Rule | RPT | 1 | 2018 |
| 1,2-Dichloropropane | MR | 1 | 1999 |
| CHLOROBENZENE | MR | 1 | 1999 |
| 1,2,4-Trichlorobenzene | MR | 1 | 1999 |
| DICHLOROMETHANE | MR | 1 | 1999 |
| Benzene | MR | 1 | 1999 |
| Xylenes, Total | MR | 1 | 1999 |
| 1,1-Dichloroethylene | MR | 1 | 1999 |
| Trichloroethylene | MR | 1 | 1999 |
| Mercury | MR | 1 | 1993 |
| Ethylbenzene | MR | 1 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.