SA WSUD Policy snapshot

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)