The Drinking Water Catchments Regional Environmental Plan No 1 (made under the Environmental Planning and Assessment Act 1979) consisting of 31 sections divided into six Parts and completed by one Schedule, aims to create healthy water catchments that will deliver high quality water while sustaining diverse and prosperous communities, to provide the statutory components in Sustaining the Catchments that, together with the non-statutory components in Sustaining the Catchments, will achieve the previous aim, and to achieve the water quality management goals of: i) improving water quality in degraded areas and critical locations where water quality is not suitable for the relevant environmental values, and ii) maintaining or improving water quality where it is currently suitable for the relevant environmental values.