Department of Sustainability / Environment / Water / Population and Communities / Australian Planning Commission / Construction Environmental Management Plan Mitchell Freeway Extension Community Working Group Department of Environment / Local and State government / Department of Sustainability / Environment / Water / Population and Communities DSEWPaC / Department of Sustainability / Environment and Conservation Department of Aboriginal Affairs / Environmental Protection Authority / Department of Parks and Wildlife / Water and Rivers Commission / Responsible Authority / Department of the Environment / Department of Environmental Protection / Department of Environment and Conservation / Department of Water / Department of Environment Regulation / Department of Indigenous Affairs / /