ACT water storage dams were designed to supply a population of 450,000 people with unrestricted water supply. Environmental flow guidelines for releases from ACT dams were mandated by the ACT government in December 1999.
The ACT Water Authority, ACTEW expressed concerns over the impact of releases on dam storages during a time of developing drought. In June 2007, total water storages in the ACT fell to 30.7% of full storage, a record low, and water restrictions were declared.
This dramatic decrease in storage has been variously blamed on the drought which it is claimed is unprecedented or on excessive water use by consumers. The impact of environmental flow releases under the 1999 regulation will be examined in this project.
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