The owner of a shuttered coal-fired power plant in Alexandria has agreed to pay the District $2.5 million to “settle and release all matters” tied to alleged water pollution violations, the D.C. Office of the Attorney General announced Thursday.
GenOn Potomac River LLC, a subsidiary of Houston-based GenOn Holdings Inc., will pay $2.4 million in civil penalties, $50,000 to improve drinking water quality and $50,000 more to support environmental enforcement training for D.C. government employees,…