THUNDERBIRD FARMS DWID
PWS ID: AZ0411100 · MARICOPA, Arizona 85139
Population Served
2,231
Total Violations
484
Health-Based Violations
132
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Public/Private
- Connections
- 594
- County
- Pinal
- School/Daycare
- No
- MCL Violations
- 132
- Monitoring Violations
- 300
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MCL | 77 | 2017 |
| Coliform (TCR) | MR | 71 | 2015 |
| Nitrate | MR | 67 | 2015 |
| Chlorine | MR | 63 | 2015 |
| Arsenic | MR | 60 | 2015 |
| Arsenic | MCL | 52 | 2017 |
| Consumer Confidence Rule | Other | 32 | 2018 |
| Total Haloacetic Acids (HAA5) | MR | 13 | 2012 |
| TTHM | MR | 11 | 2012 |
| Lead and Copper Rule | MR | 6 | 2005 |
| Fluoride | MCL | 2 | 2000 |
| E. COLI | MR | 2 | 2013 |
| Chromium | MR | 1 | 1988 |
| Fluoride | MR | 1 | 1988 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1980 |
| Mercury | MR | 1 | 1988 |
| Cadmium | MR | 1 | 1988 |
| Selenium | MR | 1 | 1988 |
| Barium | MR | 1 | 1988 |
| Coliform (TCR) | MCL | 1 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.