Water conservation
Demonstrated compliance with SA residential building requirements for water efficiency
Non-residential: Water efficient techniques in commercial, industrial & other non-residential urban settings
Irrigated open spaces: Best practice irrigation management in outdoor irrigated open spaces
Stormwater runoff quality
45%
retention of typical annual urban load of total nitrogen
60%
retention of typical annual urban load of total phosphorus
80%
retention of typical annual urban load of suspended solids
Waterway protection
Rate of runoff discharged from the site does not exceed the pre-urban development for the 1 year average recurrence interval (ARI) peak flow
Flood management
Capacity of the existing drainage system is not exceeded
No increase in the 5 year ARI peak flow compared to existing conditions
No increase in flood risk for the 100 year ARI peak flow, compared to existing conditions
Download a copy of the SA WSUD Policy (refer to page 11)