GLENELG HIGH SCHOOL
PWS ID: MD1130004 · ELLICOTT CITY, Maryland 21042
Population Served
1,532
Total Violations
26
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 1
- County
- Howard
- School/Daycare
- Yes
- MCL Violations
- 0
- Monitoring Violations
- 23
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MR | 7 | 2024 |
| TTHM | MR | 7 | 2024 |
| Lead and Copper Rule | MR | 5 | 2021 |
| Coliform (TCR) | MR | 4 | 2002 |
| Lead and Copper Rule | TT | 3 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.