A pair of Dumfries homeowners have filed suits seeking millions in damages from Dominion Energy, claiming heavy metals seeping from coal ash ponds at the Possum Point Power Station contaminated their drinking water wells. The power station’s coal ash ponds, where the remnants of burnt coal were kept, are the scene of a clash among the utility, residents, and state and local officials over the company’s closure plans. The lawsuits — filed on behalf of Daniel Marrow and his family and Brian West, both of whom own homes on Possum Point Road near the power station — allege that concentrations of hexavalent chromium, lead, boron, cobalt and other metals found in their wells came from the nearby power plant, which burned coal until 2003. “The defendant knew or should have known that placing multiple unlined coal ash ponds near a residential community that relied on well water would cause groundwater contamination that would then contaminate the nearby properties and potable wells,” the suits say. Marrow’s suit claims damages of $6 million while West’s claims $3 million. The Virginia Beach lawyer who filed both suits, Mark J. Favaloro, referred a reporter to Annapolis, Md., attorney Roy Mason, who could not be reached Friday. “Dominion is aware that the lawsuit has been filed in Prince William County,” company spokesman Robert Richardson said. “However, the company has not…