W. Consultants, Planning & Management Guidelines for Water Sensitive Urban (residential) Design: Consultants Report Prepared for the Department of Planning and Urban Development, the Water Authority of Western Australia and the Environmental Protection Authority. Whelans, 1994. 

An integrated design approach to spatial design and planning including the objectives  1. “manage the water balance (considering groundwater and streamflows, along with flood damage and waterway erosion), 2. maintain and where possible enhance water quality (including sediment, protection of riparian vegetation, and minimise the export of pollutants to surface and groundwaters), 3. encourage water conservation (minimizing the import of potable water supply, through the harvesting of stormwater and the recycling of wastewater, and reductions in irrigation requirements), and 4. maintain water-related environmental and recreational opportunities”.