9.5 Point return from irrigation scheme

Supporting Information

The volume of irrigation water returned to the Ord River is not included as the information was not available at the time this water accounting report was published.

Irrigation drainage is returned to the Ord River at six locations from the Ord River Irrigation Area, and is measured by the Ord Irrigation Cooperative Limited. Return flows from the irrigation area to the Ord River during the dry season (April–October) is representative of drainage as a result of irrigation. Flows during the wet season (November–March) are highly variable due to the large volume of rainfall in the region. Demand for water for irrigation is at its lowest during the wet season, and return flows reflect the runoff from the land surface.

Return flows to the Ord River from the Ord River Irrigation Area for the earlier dry seasons are shown in the table below.

Return flows to the Ord River from the Ord Irrigation Area in 2008, 2009 and 2010


Drainage volume (ML)







Comparative year

The following table compares the value for the 2009–10 year reported in this account with the corresponding value reported in the 2010 Account.

Comparative information from the 2010 Account for line item 9.5

2011 Account line item

2010 Account line item

Value reported in the 2010 Account (ML)

Value reported in the 2011 Account (ML)

Additional information

9.5 Point return from irrigation scheme

13.4.3 Point return of irrigation water to connected surface water

Change in line item name and number