Cooby Dam

Cooby Dam is the oldest of the city's three water supply dams, constructed during the period 1938-41. This Dam is located about 17 km North of Toowoomba on Cooby Creek, a tributary of Condamine River.

The storage statistics of Cooby Dam are as follows: 

• Total Catchment Area = 159 km2
• Storage Area = 306 ha (full supply)
• Maximum Available Storage = 21,166 ML
• Dead Storage = 1,462 ML
• Full Water Supply Useable Capacity = 19,703 ML
• Full Water Supply Level at Spillway = RL482.2 AHD
• Depth (overflow - dead water level) = 12.5 m

Cooby Dam's lowest useable storage volume was recorded at 8% in January 2010. For a graphical representation of the current level of the dams view the... Dam levels.