THE BARNESVILLE SCHOOL
PWS ID: MD1150001 · BARNESVILLE, Maryland 20838
Population Served
440
Total Violations
59
Health-Based Violations
16
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 1
- County
- Montgomery
- School/Daycare
- Yes
- MCL Violations
- 12
- Monitoring Violations
- 41
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 12 | 2009 |
| Coliform (TCR) | MR | 8 | 1993 |
| Lead and Copper Rule | MR | 6 | 2014 |
| Nitrite | MR | 5 | 1993 |
| Nitrate | MR | 4 | 2019 |
| Lead and Copper Rule | TT | 3 | 1994 |
| Selenium | MR | 2 | 2001 |
| Chromium | MR | 2 | 2001 |
| Nickel | MR | 2 | 2001 |
| Cadmium | MR | 2 | 2001 |
| Antimony, Total | MR | 2 | 2001 |
| Mercury | MR | 2 | 2001 |
| Barium | MR | 2 | 2001 |
| Thallium, Total | MR | 2 | 2001 |
| Beryllium, Total | MR | 2 | 2001 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.