The Department of Environmental Quality is being sued over its decision to transfer a Clark Fork River wastewater discharge permit from a now-defunct pulp and paper operation to the buyer of the property, which hasn't stated any concrete plans for its use. The Missoulian reports the Missoula City-County Health Board, the Missoula Valley Water Quality District, the Confederated Salish and Kootenai Tribes and the Clark Fork Coalition filed the lawsuit against the DEQ in District Court in Helena this week.