The Porter-Cologne Water Quality Control Act requires a California regional water quality control board to prescribe waste discharge requirements for the discharge of pollutants into state waters and authorizes the regional board to prescribe general waste discharge requirements for a category of discharges if the regional board finds or determines that certain criteria apply to the discharges in that category. This bill would require, for a regional board that has adopted general waste discharge requirements for timber harvesting, the regional board to approve, deny, or otherwise act on a request for coverage for timber harvesting operations performed consistent with an approved timber harvesting plan subject to those general waste discharge requirements.