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Sydney

                                                                                                   

Storage information

                             

Summarised information on major storage reservoirs

 

 

Storage item

Comment

Volume (ML)

Opening balance

1.1 Storage-entitlement system

 

1,811,667

Increases

S1.1 Precipitation on storage-entitlement system

 

74,685

S1.3 Run-off to storage-entitlement system

 

709,393

S1.6 Discharge of used water into the storage-entitlement system

S1.6.1 Urban wastewater discharge

4,899

S1.6.4 Discharge after use of water diverted by industries

6,160

 

Total increases

795,137

Decreases

S2.1 Evaporation from storage-entitlement system

 

107,535

S2.4 Releases from reservoir spilling

 

161,559

S2.6 Rules-based releases

S2.6.1 Environmental releases

79,932

S2.6.2 Riparian releases

5,511

S2.8 Allocation release of regulated flows: S2.8.9 Other—lumped water access entitlements

S2.8.9.3 Industrial and commercial holder

22,821

S2.8.9.4 Urban holder

501,545

S2.8.9.7 Other lumped holders

2,450

S2.9 Other releases (operational constraints, etc.)

 

14,746

 

 

Total decreases

896,099

Unaccounted difference

 

 

(2,521)

Net change in storage

 

 

(103,483)

Closing balance

1.1 Storage-entitlement system

 

1,708,184

 

Quantification approaches

Details of quantification approaches for the storage items listed in the above table are as follows.

1.1 Storage-entitlement system
See Line item 1.1.

S1.1 Precipitation on storage-entitlement system
See Line item 13.1.

S1.3 Run-off to storage-entitlement system
See Line item 13.4.1.

S1.6 Discharge of used water into the storage-entitlement system: S1.6.1 Urban wastewater discharge
See Line item 20.4.1 (information for Lithgow City Council, Palerang Council and Wingecarribee Shire Council).

S1.6 Discharge of used water into the storage-entitlement system: S1.6.4 Discharge after use of water diverted by industries
See Line item 13.7.3.

S2.1 Evaporation from storage-entitlement system
See Line item 14.1.

S2.4 Releases from reservoir spilling and S2.6 Rules-based releases: S2.6.1 Environmental releases
See Line item 14.2.

S2.6 Rules-based releases: S2.6.2 Riparian releases
See Line item 14.5.1.

S2.8 Allocation diversion of regulated flows: S2.8.9 Other—lumped water access entitlements: S2.8.9.3 Industrial and commercial holder
See Line item 14.7.9.3.

S2.8 Allocation diversion of regulated flows: S2.8.9 Other—lumped water access entitlements: S2.8.9.4 Urban holder
See Line item 14.7.4.

S2.8 Allocation diversion of regulated flows: S2.8.9 Other—lumped water access entitlements: S2.8.9.7 Other lumped holders
See Line item 14.7.9.7.

S2.9 Other releases (operational constraints, etc.)
See Line item 14.2.