MALLARD BAY SUBDIVISION
PWS ID: VA4133620 · ROCKVILLE, Virginia 23146
Population Served
264
Total Violations
9
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 92
- County
- Northumberland
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 4
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 4 | 2014 |
| Coliform (TCR) | MCL | 4 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.