BUTLER SCHOOL
PWS ID: MD1150038 · DARNESTOWN, Maryland 20874
Population Served
169
Total Violations
68
Health-Based Violations
43
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Montgomery
- School/Daycare
- Yes
- MCL Violations
- 27
- Monitoring Violations
- 24
- Treatment Tech Violations
- 16
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 23 | 1998 |
| Lead and Copper Rule | MR | 17 | 1998 |
| Lead and Copper Rule | TT | 16 | 1995 |
| Coliform (TCR) | MR | 4 | 1993 |
| Nitrate | MCL | 4 | 2022 |
| Nitrate | MR | 3 | 2012 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.