Possum Point Power Station

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Possum Point Power Station has 36 groundwater monitoring wells, 18 of which have been polluted above federal advisory levels based on samples collected between April 12, 2010 and August 29, 2019. Groundwater at this site contains unsafe levels of cobalt, manganese, arsenic, nickel, cadmium, boron and radium.

Site description

Dominion Generation's Possum Point Power Station is a natural gas and oil plant located along the Potomac River in Dumfries, Virginia. The plant was commissioned in 1948 and has the total capacity of 613 MW. The plant has one active dual fired combined-cycle unit. Units 1 through 5 have been retired, including two coal-fired, two natural gas, and one oil-fired unit. The station used to store byproducts from combustion of coal including fly ash and bottom ash in five surface impoundments. No new CCR has been generated or placed in these impoundments since the conversion to gas‐ fired units in 2003. There are three disposal areas regulated under the CCR rule: Ponds ABC, Pond D, and Pond E. Ash from Ponds ABC and Pond E, both inactive surface impoundments, has been removed and placed in Pond D. Possum Point is among the U.S. Environmental Protection Agency's list of potential damage cases, indicating that coal ash disposal at the site has potentially polluted groundwater or surface water at levels which threaten human health and the environment. You can find the industry-reported data here. For more information on the Possum Point Power Station, see EIP’s 2019 National Coal Ash Report .

Monitoring Wells Wells reporting one or more exceedances for at least one pollutant.
18 / 36
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No exceedances
One or more exeedances
No data available
Other designation
Well "halo" size corresponds to mean concentration. Please note that some wells may not be visible on the map due to overlapping locations.
Pollutants monitored and above guidelines
Tip: Click on a contaminant to view wells that have recorded exceedances. Click again to remove the filter. arsenic boron cadmium cobalt manganese nickel radium
Pollutants monitored and below guidelines
antimony barium beryllium chromium copper fluoride lead lithium mercury molybdenum selenium silver sulfate thallium
Pollutants not monitored
ammonia, cyanide, gross alpha particle, gross beta particle, hexavalent chromium, nitrate, nitrite, strontium, tritium, uranium

Facility last updated on Monday, October 17, 2022 12:34:42 PM EDT