ST. LEONARD
Maryland — Community Water System — PWSID: MD0040013
System Information
| PWSID | MD0040013 |
| System Name | ST. LEONARD |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 03 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 21, 1982 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Maryland |
| City | PRINCE FREDERICK |
| ZIP Code | 20678 |
| Address | Calvert County DPW Water & Sewerage |
| Organization | SEUBERLING, JAMES |
| Phone | 240-725-8583 |
Population & Service
| Population Served | 350 |
| Service Connections | 62 |
Drinking Water Violations (10)
This water system has 10 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2014 | — | MR | No | No | — | TT | — | Resolved | Oct 20, 2014 | — | |
| Oct 1, 2011 | — | MR | No | No | — | TT | — | Resolved | Oct 14, 2011 | — | |
| Jul 1, 2008 | — | Other | No | No | — | — | — | Resolved | Jul 22, 2008 | — | |
| Oct 1, 1991 | Oct 31, 1991 | MR | No | Yes | — | 5% of samples | — | Resolved | Oct 31, 1991 | — | |
| Oct 1, 1991 | Oct 31, 1991 | MR | No | Yes | — | 5% of samples | — | Resolved | Oct 31, 1991 | — | |
| Oct 1, 1991 | Oct 31, 1991 | MR | No | Yes | — | 5% of samples | — | Resolved | Oct 31, 1991 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.