The map is used for the delineation of the boundary of the Sydney Drinking Water Catchment with respect to the application of: - s 9.1 Ministerial Direction 3.3 Sydney Drinking Water Catchment - Part 6 of State Environmental Planning Policy (Biodiversity and Conservation) 2021 including the application of Parts 6.2 and 6.5 - s 171A of the Environmental Planning and Assessment Regulation 2021.