INDIAN HILLS ESTATES
PWS ID: AZ0411324 · WINKELMAN, Arizona 85192
Population Served
30
Total Violations
153
Health-Based Violations
23
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Public/Private
- Connections
- 270
- County
- Pinal
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 63
- Treatment Tech Violations
- 18
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 34 | 2025 |
| Lead and Copper Rule | MR | 13 | 2025 |
| Groundwater Rule | TT | 12 | 2024 |
| Revised Total Coliform Rule | RPT | 8 | 2025 |
| Coliform (TCR) | MR | 7 | 2009 |
| Revised Total Coliform Rule | TT | 6 | 2021 |
| Chlorine | MR | 6 | 2021 |
| Revised Total Coliform Rule | MON | 5 | 2025 |
| E. COLI | MR | 4 | 2022 |
| Revised Total Coliform Rule | Other | 4 | 2021 |
| Public Notice | Other | 4 | 2022 |
| Fluoride | MCL | 3 | 1988 |
| Coliform (TCR) | MCL | 2 | 1991 |
| Carbon tetrachloride | MR | 1 | 1998 |
| 1,2-Dichloropropane | MR | 1 | 1998 |
| Trichloroethylene | MR | 1 | 1998 |
| 1,1,2-Trichloroethane | MR | 1 | 1998 |
| Tetrachloroethylene | MR | 1 | 1998 |
| CHLOROBENZENE | MR | 1 | 1998 |
| Toluene | MR | 1 | 1998 |
| Ethylbenzene | MR | 1 | 1998 |
| DICHLOROMETHANE | MR | 1 | 1998 |
| o-Dichlorobenzene | MR | 1 | 1998 |
| p-Dichlorobenzene | MR | 1 | 1998 |
| 1,1-Dichloroethylene | MR | 1 | 1998 |
| trans-1,2-Dichloroethylene | MR | 1 | 1998 |
| 1,2-Dichloroethane | MR | 1 | 1998 |
| Chromium | MR | 1 | 1988 |
| Selenium | MR | 1 | 1988 |
| Barium | MR | 1 | 1988 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.