Water allocation update 30 Nov 2025
There is no allocation increment to general security (GS) licences in the Gwydir Regulated River Water Source this time. The GS account balance is about 619 gigalitres (GL), or an average 121% of entitlement.
The environmental water allowance (EWA) balance is about 88 GL, or an average of 195% of entitlement.
As of 30 November 2025, Copeton Dam received an estimated 9 GL of inflow, with downstream tributaries contributing a further 4 GL.
During November, total essential supply demand was about 3.4 GL, and GS usage was approximately 5 GL. Around 1 GL of EWA delivered during
this period.