ASARCO HAYDEN SMELTER
PWS ID: AZ0404001 · HAYDEN, Arizona 85135
Population Served
24
Total Violations
108
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Public/Private
- Connections
- 26
- County
- Gila
- School/Daycare
- No
- MCL Violations
- 7
- Monitoring Violations
- 92
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 18 | 2015 |
| Mercury | MR | 16 | 2002 |
| Total Haloacetic Acids (HAA5) | MR | 8 | 2017 |
| Chlorine | MR | 8 | 2023 |
| TTHM | MR | 7 | 2017 |
| Lead and Copper Rule | MR | 7 | 2024 |
| Revised Total Coliform Rule | RPT | 3 | 2024 |
| Fluoride | MR | 2 | 2003 |
| Fluoride | MCL | 2 | 1979 |
| Arsenic | MCL | 2 | 1979 |
| Cadmium | MCL | 2 | 1979 |
| Public Notice | Other | 2 | 2023 |
| cis-1,2-Dichloroethylene | MR | 1 | 2003 |
| Xylenes, Total | MR | 1 | 2003 |
| DICHLOROMETHANE | MR | 1 | 2003 |
| o-Dichlorobenzene | MR | 1 | 2003 |
| 1,1-Dichloroethylene | MR | 1 | 2003 |
| Carbon tetrachloride | MR | 1 | 2003 |
| Benzene | MR | 1 | 2003 |
| Ethylbenzene | MR | 1 | 2003 |
| Chromium | MR | 1 | 1987 |
| Barium | MR | 1 | 1987 |
| Cadmium | MR | 1 | 1987 |
| Nitrate | MR | 1 | 1987 |
| Nitrate | MCL | 1 | 1979 |
| 1,1,1-Trichloroethane | MR | 1 | 2003 |
| 1,2-Dichloropropane | MR | 1 | 2003 |
| p-Dichlorobenzene | MR | 1 | 2003 |
| Toluene | MR | 1 | 2003 |
| Selenium | MR | 1 | 1987 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.