Historical Water Availability

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Historical Water Availability

The Gwydir Valley is considered a valley with a low level of water reliability driven largely by the low average yield of general security entitlement and the low volumes of other, more secure forms of water.

WaterNSW as part of drought communications, recently reviewed non-critical water access over the last 10-years against inflows into the catchment and determined that irrigators have had access to 22% of the known inflows into the system. This percentage includes supplementary access and excludes water allocated to the environment licences.

A breakdown of the historical water availability for the valley is provided below.  For further details on water licence numbers, allocations, usage and other statistics, see either our overview on Water Available for Irrigation or the NSW Water Register managed by DPI Water.

Gwydir Surface Water - Regulated River

High Security

General Security

Groundwater - Lower Gwydir Groundwater Water Source

Making Every Drop Count

Securing a future for the Gwydir Valley through Irrigated Agriculture.