DICKERSON GENERATING STATION
Maryland - Non-Transient Non-Community - PWSID: MD1150036
System Information
| PWSID | MD1150036 |
| System Name | DICKERSON GENERATING STATION |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Private |
| EPA Region | 03 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 7, 1990 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Maryland |
| City | DICKERSON |
| ZIP Code | 20842 |
| Address | GENON MID-ATLANTIC, LLC |
| Organization | RIGGLEMAN, JEFFREY |
| Phone | 301-601-6519 |
Population & Service
| Population Served | 8 |
| Service Connections | 4 |
Drinking Water Violations (199)
This water system has 199 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2019 | Jun 30, 2019 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | Yes | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | Yes | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 1998 | - |
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.