TALL OAKS VOCATIONAL SCHOOL
PWS ID: MD1160031 · UPPER MARLBORO, Maryland 20772
Population Served
135
Total Violations
70
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 1
- County
- Prince George's
- School/Daycare
- Yes
- MCL Violations
- 3
- Monitoring Violations
- 67
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Cadmium | MR | 8 | 1993 |
| Chromium | MR | 8 | 1993 |
| Mercury | MR | 8 | 1993 |
| Selenium | MR | 8 | 1993 |
| Barium | MR | 8 | 1993 |
| Lead and Copper Rule | MR | 7 | 1994 |
| Nitrate | MR | 7 | 1995 |
| Nitrite | MR | 7 | 1993 |
| Coliform (TCR) | MR | 6 | 1995 |
| Coliform (TCR) | MCL | 3 | 1997 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.