WELLS FARGO WATER COMPANY
PWS ID: AZ0410269 · TUCSON, Arizona 85754
Population Served
83
Total Violations
100
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Public/Private
- Connections
- 34
- County
- Pima
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 72
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 26 | 2021 |
| Coliform (TCR) | MR | 21 | 2015 |
| Lead and Copper Rule | MR | 2 | 2005 |
| Xylenes, Total | MR | 1 | 1998 |
| DICHLOROMETHANE | MR | 1 | 1998 |
| p-Dichlorobenzene | MR | 1 | 1998 |
| trans-1,2-Dichloroethylene | MR | 1 | 1998 |
| 1,2-Dichloroethane | MR | 1 | 1998 |
| 1,2-Dichloropropane | MR | 1 | 1998 |
| Trichloroethylene | MR | 1 | 1998 |
| Tetrachloroethylene | MR | 1 | 1998 |
| Styrene | MR | 1 | 1998 |
| Endrin | MR | 1 | 1998 |
| Methoxychlor | MR | 1 | 1998 |
| Dalapon | MR | 1 | 1998 |
| Diquat | MR | 1 | 1998 |
| Glyphosate | MR | 1 | 1998 |
| Di(2-ethylhexyl) adipate | MR | 1 | 1998 |
| OXAMYL | MR | 1 | 1998 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 1998 |
| Picloram | MR | 1 | 1998 |
| Dinoseb | MR | 1 | 1998 |
| Hexachlorocyclopentadiene | MR | 1 | 1998 |
| Carbofuran | MR | 1 | 1998 |
| Atrazine | MR | 1 | 1998 |
| Heptachlor | MR | 1 | 1998 |
| ETHYLENE DIBROMIDE | MR | 1 | 1998 |
| Pentachlorophenol | MR | 1 | 1998 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 1 | 1998 |
| Nitrate | MR | 1 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.