LAKE CAROLINE
PWS ID: VA6033425 · ROCKVILLE, Virginia 23146
Population Served
2,933
Total Violations
468
Health-Based Violations
294
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 1,173
- County
- Caroline
- School/Daycare
- No
- MCL Violations
- 233
- Monitoring Violations
- 161
- Treatment Tech Violations
- 61
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MCL | 117 | 2009 |
| TTHM | MCL | 116 | 2009 |
| CARBON, TOTAL | TT | 57 | 2009 |
| Arsenic | MR | 17 | 1985 |
| Cadmium | MR | 17 | 1985 |
| Chromium | MR | 17 | 1985 |
| Mercury | MR | 17 | 1985 |
| Selenium | MR | 17 | 1985 |
| Barium | MR | 17 | 1985 |
| Fluoride | MR | 16 | 1985 |
| Nitrate | MR | 16 | 1985 |
| Interim Enhanced Surface Water Treatment Rule | MR | 6 | 2005 |
| Coliform (TCR) | MR | 5 | 1995 |
| Lead and Copper Rule | TT | 4 | 1996 |
| TTHM | MR | 4 | 2009 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2009 |
| Consumer Confidence Rule | Other | 4 | 2012 |
| Toxaphene | MR | 1 | 1980 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1977 |
| Endrin | MR | 1 | 1980 |
| Combined Radium (-226 and -228) | MR | 1 | 1977 |
| 2,4-D | MR | 1 | 1980 |
| BHC-GAMMA | MR | 1 | 1980 |
| Methoxychlor | MR | 1 | 1980 |
| 2,4,5-TP | MR | 1 | 1980 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.