SUN VALLEY FARMS UNIT VI
PWS ID: AZ0411111 · SAN TAN VALLEY, Arizona 85140
Population Served
600
Total Violations
268
Health-Based Violations
47
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 227
- County
- Pinal
- School/Daycare
- No
- MCL Violations
- 43
- Monitoring Violations
- 165
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MCL | 43 | 2018 |
| Coliform (TCR) | MR | 27 | 2014 |
| Consumer Confidence Rule | Other | 26 | 2025 |
| Chlorine | MR | 25 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 18 | 2021 |
| TTHM | MR | 14 | 2021 |
| Nitrate | MR | 12 | 2025 |
| Revised Total Coliform Rule | RPT | 10 | 2023 |
| Public Notice | Other | 4 | 2023 |
| Groundwater Rule | TT | 4 | 2020 |
| Lead and Copper Rule | MR | 3 | 2023 |
| Revised Total Coliform Rule | MON | 2 | 2016 |
| Beryllium, Total | MR | 1 | 1998 |
| Thallium, Total | MR | 1 | 1998 |
| Selenium | MR | 1 | 1998 |
| Nickel | MR | 1 | 1998 |
| 1,2,4-Trichlorobenzene | MR | 1 | 1998 |
| cis-1,2-Dichloroethylene | MR | 1 | 1998 |
| Xylenes, Total | MR | 1 | 1998 |
| o-Dichlorobenzene | MR | 1 | 1998 |
| 1,1-Dichloroethylene | MR | 1 | 1998 |
| 1,2-Dichloroethane | MR | 1 | 1998 |
| 1,1,1-Trichloroethane | MR | 1 | 1998 |
| Carbon tetrachloride | MR | 1 | 1998 |
| 1,2-Dichloropropane | MR | 1 | 1998 |
| Trichloroethylene | MR | 1 | 1998 |
| Tetrachloroethylene | MR | 1 | 1998 |
| CHLOROBENZENE | MR | 1 | 1998 |
| Benzene | MR | 1 | 1998 |
| Styrene | MR | 1 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.