Home WA Government Publications Blackadder Creek Flood Study Blackadder Creek Flood Study Technical Report Flood study of Blackadder Creek, a tributary of the Swan River. Last updated: 24 June 2023 Please download the document below. Documents Blackadder Creek Flood Study (PDF, 8.52MB) Sidebar Published 1 December 1986 Provided by Department of Water and Environmental Regulation Document collections Waterways management plan collection Share Facebook share(Opens in a new tab/window) Twitter(Opens in a new tab/window) LinkedIn(Opens in a new tab/window) Copy URL