SUMMIT WATER COOP
PWS ID: AZ0420595 · TUCSON, Arizona 85756
Population Served
53
Total Violations
295
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Public/Private
- Connections
- 21
- County
- Pima
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 245
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 79 | 2013 |
| Consumer Confidence Rule | Other | 38 | 2021 |
| Nitrate | MR | 21 | 2020 |
| Lead and Copper Rule | MR | 18 | 2013 |
| Revised Total Coliform Rule | MON | 16 | 2019 |
| Public Notice | Other | 6 | 2021 |
| Fluoride | MR | 3 | 1998 |
| Selenium | MR | 3 | 1998 |
| cis-1,2-Dichloroethylene | MR | 3 | 2002 |
| DICHLOROMETHANE | MR | 3 | 2002 |
| 1,1-Dichloroethylene | MR | 3 | 2002 |
| trans-1,2-Dichloroethylene | MR | 3 | 2002 |
| Toluene | MR | 3 | 2002 |
| Carbon tetrachloride | MR | 3 | 2002 |
| 1,1,2-Trichloroethane | MR | 3 | 2002 |
| Ethylbenzene | MR | 3 | 2002 |
| Styrene | MR | 3 | 2002 |
| Barium | MR | 3 | 1998 |
| Gross Alpha, Excl. Radon and U | MR | 3 | 1987 |
| Mercury | MR | 3 | 1998 |
| 1,2-Dichloroethane | MR | 3 | 2002 |
| Chromium | MR | 3 | 1998 |
| Cadmium | MR | 3 | 1998 |
| 1,1,1-Trichloroethane | MR | 3 | 2002 |
| Arsenic | MR | 3 | 1998 |
| Benzene | MR | 3 | 2002 |
| Xylenes, Total | MR | 2 | 2002 |
| o-Dichlorobenzene | MR | 2 | 1998 |
| p-Dichlorobenzene | MR | 2 | 1998 |
| Trichloroethylene | MR | 2 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.