MT. HARMONY ELEMENTARY SCHOOL
Maryland — Non-Transient Non-Community — PWSID: MD1040030
System Information
| PWSID | MD1040030 |
| System Name | MT. HARMONY ELEMENTARY SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 03 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Dec 15, 1988 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Maryland |
| City | PRINCE FREDERICK |
| ZIP Code | 20678 |
| Address | Calvert County Public Schools |
| Organization | GOTT, GREGG |
| Phone | 443-550-8763 |
Population & Service
| Population Served | 706 |
| Service Connections | 1 |
Drinking Water Violations (19)
This water system has 19 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, 2010 | — | MR | No | No | — | TT | — | Resolved | Aug 2, 2011 | — | |
| Jan 1, 1994 | Apr 15, 1997 | TT | Yes | No | — | TT | — | Resolved | Apr 15, 1997 | — | |
| Jan 1, 1994 | Jun 27, 1994 | TT | Yes | No | — | TT | — | Resolved | Jun 27, 1994 | — | |
| Jan 1, 1994 | Jun 27, 1994 | TT | Yes | No | — | TT | — | Resolved | Jun 27, 1994 | — | |
| Jan 1, 1994 | Apr 15, 1997 | TT | Yes | No | — | TT | — | Resolved | Apr 15, 1997 | — | |
| Jan 1, 1994 | Apr 15, 1997 | MR | No | No | — | TT | — | Resolved | Apr 15, 1997 | — | |
| Jan 1, 1994 | Apr 15, 1997 | MR | No | No | — | TT | — | Resolved | Apr 15, 1997 | — | |
| Jan 1, 1993 | Dec 31, 1995 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 1995 | — | |
| Jan 1, 1993 | Dec 31, 1995 | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 1995 | — | |
| Jan 1, 1993 | Dec 31, 1995 | MR | No | Yes | — | 1 mg/L | — | Archived | Dec 31, 1995 | — | |
| Jan 1, 1993 | Dec 31, 1995 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 1995 | — | |
| Jan 1, 1993 | Dec 31, 1995 | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 1995 | — | |
| Jan 1, 1993 | Dec 31, 1995 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 1995 | — | |
| Jan 1, 1993 | Dec 31, 1995 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 1995 | — | |
| Jan 1, 1993 | Dec 31, 1995 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1995 | — | |
| Jan 1, 1993 | Dec 31, 1995 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1995 | — | |
| Jan 1, 1993 | Dec 31, 1995 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1995 | — | |
| Jan 1, 1993 | Dec 31, 1995 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1995 | — | |
| — | — | — | 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.