BLACK STUMP
PWS ID: VA4103130 · ROCKVILLE, Virginia 23146
Population Served
73
Total Violations
13
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 35
- County
- Lancaster
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 8
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 4 | 2004 |
| Lead and Copper Rule | MR | 4 | 2008 |
| Coliform (TCR) | MR | 3 | 2009 |
| Fluoride | MR | 1 | 1979 |
| Fluoride | MCL | 1 | 1981 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.