MESALAND WATER COMPANY
PWS ID: AZ0410074 · TUCSON, Arizona 85704
Population Served
294
Total Violations
114
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 100
- County
- Pima
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 77
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 34 | 2021 |
| Coliform (TCR) | MR | 7 | 2013 |
| Nitrate | MR | 4 | 1999 |
| Revised Total Coliform Rule | MON | 4 | 2024 |
| Lead and Copper Rule | MR | 3 | 2025 |
| Arsenic | MR | 3 | 1988 |
| DICHLOROMETHANE | MR | 2 | 1999 |
| o-Dichlorobenzene | MR | 2 | 1999 |
| 1,2-Dichloroethane | MR | 2 | 1999 |
| 1,2-Dichloropropane | MR | 2 | 1999 |
| 1,1,2-Trichloroethane | MR | 2 | 1999 |
| Tetrachloroethylene | MR | 2 | 1999 |
| Toluene | MR | 2 | 1999 |
| Ethylbenzene | MR | 2 | 1999 |
| Styrene | MR | 2 | 1999 |
| 1,2,4-Trichlorobenzene | MR | 2 | 1999 |
| cis-1,2-Dichloroethylene | MR | 2 | 1999 |
| trans-1,2-Dichloroethylene | MR | 2 | 1999 |
| CHLOROBENZENE | MR | 2 | 1999 |
| Benzene | MR | 2 | 1999 |
| E. COLI | MR | 2 | 2018 |
| Selenium | MR | 2 | 1988 |
| Cadmium | MR | 2 | 1988 |
| Mercury | MR | 2 | 1988 |
| Fluoride | MR | 2 | 1988 |
| p-Dichlorobenzene | MR | 2 | 1999 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 1986 |
| Xylenes, Total | MR | 2 | 1999 |
| Carbon tetrachloride | MR | 2 | 1999 |
| 1,1,1-Trichloroethane | MR | 2 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.