Bureau Home » Water Information » National Water Account » 2019 Account » Melbourne » Water Accounting Statements » Water Assets and Water Liabilities

National Water Account 2019

Melbourne: Statement of Water Assets and Water Liabilities

as at 30 June 2019

  • Water availability in the Melbourne region's storages decreased during 2018–19.
  • Water availability is represented by the net water assets, which are the volume of water assets minus the water liabilities.

 

 

The Statement of Water Assets and Water Liabilities is provided in the table below. The statement presents the volume of water assets, and water liabilities at the start and end of the reporting year.

 

Expand all Collapse all
 

Select comparative year

 2019 ML2018 ML2017 ML2016 ML2015 ML2014 ML
Water assets
Surface water 1,093,3231,214,4471,315,8911,208,8841,391,6101,501,163
Storages1,020,978**1,169,314**1,251,925**1,163,886**1,347,250**1,449,216
Rivers9,404**12,276**19,624**9,503**9,878**13,539
Claims: inter-region62,941**32,857**44,342**35,495**34,482**38,408
  
Groundwater 38,61938,61938,61938,61938,61938,619
Water table aquifer22,05422,05422,05422,05422,05422,054
Underlying aquifers16,56516,56516,56516,56516,56516,565
  
Urban water system 470,750510,500542,413511,509513,006538,517
Urban system storages28,80928,41929,02629,82828,74029,715
Claims: surface water*441,941482,081513,387481,681484,266508,802
Claims: groundwater*000000
  
Total water assets1,602,692**1,763,566**1,896,923**1,759,012**1,943,235**2,078,299
Water liabilities
Surface water liability 447,899490,489524,382485,193490,207513,636
Allocation remaining: individual users5,9588,408**10,9953,5125,9414,834
Allocation remaining: urban system*441,941482,081513,387481,681484,266508,802
Commitment: inter-region000000
  
Groundwater liability 000000
Allocation remaining: individual users000000
Allocation remaining: urban system*000000
  
Total water liabilities447,899490,489524,382485,193490,207513,636
Net water assets
Net surface water assets645,424723,958791,509723,691901,403987,527
Opening net surface water assets723,958**791,509**723,691**901,403**987,527**984,756
Change in net surface water assets(78,534)**(67,551)**67,818**(177,712)**(86,124)**2,771
Closing net surface water assets645,424**723,958**791,509**723,691**901,403**987,527
  
Net groundwater assets38,61938,61938,61938,61938,61938,619
Opening net groundwater assets38,61938,61938,61938,61938,61938,619
Change in net groundwater assets000000
Closing net groundwater assets38,61938,61938,61938,61938,61938,619
Net urban water assets470,750510,500542,413511,509 513,006 538,517
Opening net urban water assets510,500542,413511,509513,006538,517524,321
Change in net urban water assets(39,750)(31,913)30,904(1,497)(25,511)14,196
Closing net urban water assets470,750510,500542,413511,509513,006538,517
Total closing net water assets 1,154,793**1,273,077**1,372,541**1,273,819**1,453,028**1,564,663

 

* between-store claims / liabilities

** different to published volume in historical accounts (see Governance section for more information)