TUCSON MEDICAL CENTER
PWS ID: AZ0420213 · TUCSON, Arizona 85712
Population Served
3,000
Total Violations
153
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Public/Private
- Connections
- 2
- County
- Pima
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 136
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 25 | 2015 |
| Chlorine | MR | 13 | 2023 |
| Selenium | MR | 9 | 1980 |
| Nitrate | MR | 8 | 2004 |
| Lead and Copper Rule | MR | 7 | 2020 |
| TTHM | MR | 7 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 7 | 2025 |
| Revised Total Coliform Rule | RPT | 4 | 2022 |
| LEAD AND COPPER RULE REVISIONS | TT | 4 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 4 | 2024 |
| Coliform (TCR) | MCL | 3 | 2015 |
| BHC-GAMMA | MR | 2 | 1998 |
| Methoxychlor | MR | 2 | 1998 |
| Toxaphene | MR | 2 | 1998 |
| Dalapon | MR | 2 | 1998 |
| Diquat | MR | 2 | 1998 |
| Endothall | MR | 2 | 1998 |
| Glyphosate | MR | 2 | 1998 |
| Di(2-ethylhexyl) adipate | MR | 2 | 1998 |
| OXAMYL | MR | 2 | 1998 |
| Di(2-ethylhexyl) phthalate | MR | 2 | 1998 |
| Picloram | MR | 2 | 1998 |
| Dinoseb | MR | 2 | 1998 |
| Hexachlorocyclopentadiene | MR | 2 | 1998 |
| Carbofuran | MR | 2 | 1998 |
| Atrazine | MR | 2 | 1998 |
| LASSO | MR | 2 | 1998 |
| Heptachlor | MR | 2 | 1998 |
| Heptachlor epoxide | MR | 2 | 1998 |
| 2,4-D | MR | 2 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.