(Darin Oswald/The Idaho Statesman file photo via AP) In this Nov. 16, 2003, file photo, fisherman Larry McBrom works along the Snake River shoreline below Hells Canyon Dam in southwestern Idaho. A lawsuit filed Wednesday by Idaho Power Company in U.S. District Court seeks to force the EPA to act on a 2012 request by Idaho allowing warmer water temperatures in the Snake River below the Hells Canyon Complex on the Idaho-Oregon border.