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The capacity of Wivenhoe Dam is 3.132 million megalitres, with an additional temporary holding capacity of 1.967 million megalitres, and a drinking water storage capacity of 1.16 million megalitres. The dam's role in mitigating flooding in the Lower Brisbane River through Lockyer Valley and Brisbane is essential, as it prevents more severe flooding. However, determining when and how to release water into the river can be a significant issue when the dam reaches full capacity. In 2011, the devastating floods in Lockyer Valley and Brisbane prompted the QLD Government to review the dam release strategy. Along with its primary function, the dam's fish stocks contribute to the ecological well-being of the area and provide recreational opportunities for South East Queensland residents, including fishing, boating, and skiing.