Murray-Darling Basin
Reconciliations

Table 1. Reconciliation of the net change in water storage to the change in net water assets
 Description The 2010–11 year (ML) The 2009–10 year (ML)
Change in net water assets

8,852,487

2,686,860
adjustments for:    
Increase / (decrease) in:    
1 Surface water    

1.5 Inter-region claim on water

61,066

208,000
Total non-physical water assets

61,066

208,000
     
5 Surface water liability    

5.1 Surface water allocation remaining 

4,127,920

1,264,094

5.2 Surface water allocation remaining - urban water system

62

(535)
6 Groundwater liability    

6.1 Groundwater allocation remaining 

292

24

6.2 Groundwater allocation remaining - urban water system 

0

(24)
Total liabilities

4,128,274

1,263,559
     
Net change in water storage

12,919,695

3,742,419

  

 

Table 2. Reconciliation of closing water storage to total water assets
Description Volume on 30 June 2011 (ML) Volume on 30 June 2010 (ML)
Closing water storage    
1 Surface water    

1.1 Storages  

19,165,154

7,447,249

1.2 Unregulated river

–

–

1.3 Regulated river

1,296,701

968,526

1.4 Lakes and wetlands 

1,907,353

1,169,447

1.10 Other surface water assets

 

18,131

13,574
Total 1 Surface water 

22,387,339

9,598,796
     
2 Groundwater    

2.1 Water Table aquifer 

–

–

2.2 Underlying aquifers 

–

–

2.5 Other groundwater assets 

1,327,718

1,196,566
Total 2 Groundwater store

1,327,718

1,196,566
     
Total closing water storage

23,715,057

10,795,362
     
Non-physical water asset    

1.5 Inter-region claim on water 

470,066

409,000
Total – non-physical water asset

470,066

409,000
     
Total water assets

24,185,123

11,204,362

– = Data not available