Full description
This assessment and related data examines water resources in the South East Coast (NSW) region in 2009–10 and over recent decades. Seasonal variability and trends in modelled water flows, stores and levels are considered at the regional level and also in more detail at sites for selected rivers. Information on water use is provided for selected urban centres and irrigation areas.
It begins with an overview of key data and information on water flows, stores and use in the region in recent times followed by a description of the region. Surface water quality, which is important in any water resources assessment, is not addressed. At the time of writing, suitable quality controlled and assured surface water quality data from the Australian Water Resources Information System (Bureau of Meteorology 2011a) were not available. Groundwater and water use are only partially addressed for the same reason.
In future reports, these aspects will be dealt with more thoroughly as suitable data become operationally available.
Key data and information
The assessment presents the 2009–10 annual landscape water flows and the change in accessible surface water storage in the South East Coast (NSW) region. Despite the relatively low rainfall amount, the landscape water yield1 total was still close to the long-term average, mainly due to the internal regional spatial distribution of both rainfall and landscape water yield. The surface water storage change did reflect the lower rainfall amounts as most water storages are located in the lower rainfall areas. 
Data time period: 08 07 2009 to 08 06 2010
text: South East Coast (NSW)
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