ST. LEONARD
PWS ID: MD0040013 · PRINCE FREDERICK, Maryland 20678
Population Served
350
Total Violations
10
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 62
- County
- Calvert
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 5
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 3 | 1991 |
| Lead and Copper Rule | MR | 2 | 2014 |
| Consumer Confidence Rule | Other | 1 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.