SPANISH TRAIL WATER COMPANY
PWS ID: AZ0410127 · TUCSON, Arizona 85754
Population Served
3,822
Total Violations
228
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 1,566
- County
- Pima
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 208
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 18 | 2015 |
| Consumer Confidence Rule | Other | 8 | 2018 |
| TTHM | MR | 6 | 2021 |
| Xylenes, Total | MR | 6 | 2002 |
| Total Haloacetic Acids (HAA5) | MR | 6 | 2021 |
| Chlorine | MR | 5 | 2024 |
| Lead and Copper Rule | MR | 5 | 2023 |
| Public Notice | Other | 4 | 2022 |
| Coliform (TCR) | MCL | 4 | 2004 |
| Carbofuran | MR | 3 | 1998 |
| Atrazine | MR | 3 | 1998 |
| LASSO | MR | 3 | 1998 |
| 2,3,7,8-TCDD | MR | 3 | 1998 |
| Heptachlor | MR | 3 | 1998 |
| Total Polychlorinated Biphenyls (PCB) | MR | 3 | 1998 |
| Chlordane | MR | 3 | 1998 |
| BHC-GAMMA | MR | 3 | 1998 |
| Methoxychlor | MR | 3 | 1998 |
| Toxaphene | MR | 3 | 1998 |
| Dalapon | MR | 3 | 1998 |
| Diquat | MR | 3 | 1998 |
| Endothall | MR | 3 | 1998 |
| OXAMYL | MR | 3 | 1998 |
| Simazine | MR | 3 | 1998 |
| Dinoseb | MR | 3 | 1998 |
| Hexachlorocyclopentadiene | MR | 3 | 1998 |
| Heptachlor epoxide | MR | 3 | 1998 |
| 2,4-D | MR | 3 | 1998 |
| 2,4,5-TP | MR | 3 | 1998 |
| ETHYLENE DIBROMIDE | MR | 3 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.