Project Proponent STAGE 1 Proposal description Cougar Sand Supplies propose to extend their existing sand and limestone quarry over a period of 10 – 15 years. The quarry is located approximately 7.7 kilometres northeast of the Preston Beach townsite in the Shire of Waroona. The proposal is adjacent to the Myalup State Forest and is within an exclusion area under State Planning Policy 2.4 - Planning for Basic Raw Materials. Infrastructure from the existing quarry including a bore, access roads and a mobile crushing and screening plant will be used to support the quarry extension. The proposal would include a total disturbance of 21.53 hectares. Excavations will maintain a 2 metre distance to the water table. At closure, the quarry will be contoured and rehabilitated to return the previously existing vegetation communities Assessment Number 2542 Region Peel Referred under EP Act s38 Industry sector Sand, rock, gravel and clay Last updated November 20, 2025 Current Status Decision on whether to assess has been published 1. Referral Comment on this referral Extension of Sand Extraction Lot 1001, Lake Clifton Road, Lake Clifton, Shire o… Referral documentation Referral form (PDF, 630.01 KB) Proposal Content Document (PDF, 430.98 KB) COUGAR SANDS 30 DECEMBER 2024 - DEVELOPMENT ENVELOPE.pdf (PDF, 410.22 KB) COUGAR SANDS 30 DECEMBER 2024 - PROPOSAL ELEMENTS PLAN.pdf (PDF, 420.13 KB) Cougar Sands Expansion Attachments 30 December 2024 REPORT- ATTACHMENT 3.pdf (PDF, 16.21 MB) Cougar Sands Expansion Attachments 30 December 2024 ATTACHMENTS 1 AND 2.pdf (PDF, 8.33 MB) Cougar Sands Expansion Attachments 30 December 2024 REPORT - ATTACHMENTS 4 - 10.pdf (PDF, 7.84 MB) COUGAR SAND EXTENSION EXCAVATION - REHABILITATION PLAN Updated 30 December 2024.pdf (PDF, 7.83 MB) 2. Decision on whether to assess this proposal Chair's Determination Assess - Additional Assessment Information (public review) Extract of determination Extension of Sand Extraction Lot 1001, Lake Clifton Road, Lake Clifton, Shire of Waroona (PDF, 170.32 KB) Preliminary Environmental Factors Flora and Vegetation Terrestrial Fauna Inland Waters Date published Thursday, 20 November, 2025