 The remaining sections are zoned General Rural under the City of Swan's 1993 Cullacabardee Rural Plan.Cullacabardee is located over an unconfined aquifer known as the Gnangara Mound, a major supplier of scheme groundwater to the Perth Metropolitan Area.The area is classified as an underground Water Pollution Control Area under the Water Authority Act 1984 and a Priority 1 drinking water source by the now defunct Department of Water.