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National Water Account 2017

Canberra: Statement of Water Flows

The volume of water in the region's storages at 30 June 2017 was 279,006 ML, an increase of 5,871 ML from the start of the 2016–17 year. This reflects the increase in water volume of most of the region's surface water storages. This is the region's fourth consecutive increase in storage volume.




The Statement of Water Flows is provided below and presents the actual water flows associated with the region's water stores during the year, including flows corresponding to the accrual transactions shown in the Statement of Changes in Water Assets and Water Liabilities.


 2017 ML2016 ML
Water inflows
Surface water inflows979,190923,224
Inter-region inflow273,071356,494
Flood return2,190
Groundwater inflows
Inter-region inflow
Recharge: landscape
Urban water system inflows41,00238,646
Wastewater collected40,82138,646
Delivery: inter-region1810
Total water inflows1,020,192961,870
Water outflows
Surface water outflows926,432755,014
Leakage: landscape
River and floodplain losses
Overbank flow53,617
Diversion: statutory rights
Non-allocated diversion: individual users2,4232,591
Allocated diversion: individual users
Groundwater outflows1,2591,276
Inter-region outflow
Discharge: landscape
Extraction: statutory rights435435
Non-allocated extraction: individual users824841
Allocated extraction: individual users
Urban water system outflows46,72347,057
Supply system delivery: urban users45,24445,241
Wastewater discharge: landscape33
Other supply system decreases9491,187
Recycled water delivery: urban users133246
Other wastewater and recycled water system decreases394380
Total water outflows974,414803,347
Unaccounted-for difference(39,907)(150,507)
Opening water storage273,135265,119
Change in water storage5,8718,016
Closing water storage279,006273,135