The Allan Tannock Weir was completed in 1991 as a source of water for the surrounding landholders and to provide water for the irrigation of park land in and around the township of Cunnamulla.

Uses of Water


The Cunnamulla Water Supply scheme provides irrigation water to landholders along the ponded area of Allan Tannock Weir. The water is used for irrigation of crops such as grapes, citrus, cotton and a variety of fodder crops.

Urban Water Supplies

The town of Cunnamulla accesses water supplies from the scheme.

Major Storage

Allan Tannock Weir

Allan Tannock Weir is of sheet piling and concrete construction with a fixed crest spillway, which was completed in 1991.