Project Proponent Water Authority of Western Australia Proposal description The proposal includes the following major elements: a 17 metre high homogeneous earth fill embankment; an embankment crest length of approximately 190 metres; a capacity at full supply level (87 metres AHD) of approximately 1,500,000 cubic metres; a surface area at full supply level of approximately 28 ha; a pump off take within the Margaret River and pipeline to the dam located along existing tracks; relocation of Rosa Brook Road close to the limit of the Brook's catchment; and possible relocation of Telecom and SECWA lines along the new Rosa Brook alignment. As part of the development of the dam, dieback and erosion control strategies would be established and recreational amenities provided. Assessment Number 394 Region South West Referred under EP Act s38 Industry sector Infrastructure Last updated November 01, 1991 Current Status Ministerial Statement published 2. Decision on whether to assess this proposal Chair's Determination Consultative Environmental Review Date published Wednesday, April 18, 1990 - 12:00 3. Assessment Scoping Approved Wednesday, April 18, 1990 - 12:00 Environmental Review Environmental Review documentation Consultative Environmental Review document (PDF, 3.07 MB) 4. EPA Report on assessment EPA Report Number 518 EPA Report Ten Mile Brook reservoir Margaret River town water supply (PDF, 2.48 MB) Date published Thursday, May 9, 1991 - 12:00 5. Decision on proposal and implementation of proposal Ministerial Statement Date of approval Friday, November 1, 1991 - 12:00 Ministerial Statement Ministerial Statement 190 (PDF, 120.67 KB)
