TWIN CEDARS
PWS ID: VA6033700 · ROCKVILLE, Virginia 23146
Population Served
90
Total Violations
226
Health-Based Violations
28
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 30
- County
- Caroline
- School/Daycare
- No
- MCL Violations
- 28
- Monitoring Violations
- 190
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 142 | 2015 |
| Coliform (TCR) | MCL | 28 | 2013 |
| E. COLI | MR | 20 | 2014 |
| Barium | MR | 4 | 1985 |
| Chromium | MR | 4 | 1985 |
| Mercury | MR | 4 | 1985 |
| Nitrate | MR | 4 | 1985 |
| Arsenic | MR | 4 | 1985 |
| Cadmium | MR | 4 | 1985 |
| Selenium | MR | 4 | 1985 |
| Public Notice | Other | 2 | 2005 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.