MARICOPA MOUNTAIN DWID 2
PWS ID: AZ0411322 · MARICOPA, Arizona 85139
Population Served
120
Total Violations
196
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 1
- County
- Pinal
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 154
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 39 | 2016 |
| Chlorine | MR | 24 | 2013 |
| Consumer Confidence Rule | Other | 21 | 2021 |
| Nitrate | MR | 15 | 2006 |
| Lead and Copper Rule | MR | 4 | 2007 |
| TTHM | MR | 4 | 2008 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2008 |
| Gross Alpha, Excl. Radon and U | MCL | 3 | 1987 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 1991 |
| Chromium | MR | 2 | 1988 |
| Selenium | MR | 2 | 1988 |
| Arsenic | MR | 2 | 1988 |
| Mercury | MR | 2 | 1988 |
| Fluoride | MR | 2 | 1988 |
| Barium | MR | 2 | 1988 |
| Cadmium | MR | 2 | 1988 |
| cis-1,2-Dichloroethylene | MR | 1 | 1999 |
| DICHLOROMETHANE | MR | 1 | 1999 |
| p-Dichlorobenzene | MR | 1 | 1999 |
| 1,1,1-Trichloroethane | MR | 1 | 1999 |
| Trichloroethylene | MR | 1 | 1999 |
| 1,1,2-Trichloroethane | MR | 1 | 1999 |
| Benzene | MR | 1 | 1999 |
| Toluene | MR | 1 | 1999 |
| Styrene | MR | 1 | 1999 |
| 2,3,7,8-TCDD | MR | 1 | 2000 |
| 2,4-D | MR | 1 | 2000 |
| Pentachlorophenol | MR | 1 | 2000 |
| Atrazine | MR | 1 | 2000 |
| Hexachlorocyclopentadiene | MR | 1 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.