9.2 River inflow to region

Supporting Information

This line item refers to streamflow from the upper reaches of the Swan River into the Perth region boundary.

The volume of water that flows into the region cannot be quantified accurately due to a lack of available data and thus is not reported in the statements. However, it is considered that the volume of water that flowed into the region along the Swan River is relatively small and its omission does not have a material impact on the water balance of the surface water store.