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How much water evaporates from Darwin River Dam?

More than two thirds of the water stored in Darwin River Dam evaporates throughout the year. Climate variability will affect weather elements in Darwin, including temperature, rates of evaporation and rainfall. Power and Water take this into account when planning for Darwin’s future water sources. 
Darwin River Dam has an average depth of just 8 metres. With climate change, both the demand for water and evaporation levels are highly likely to increase, placing further demand on this shallow water body and leading to a reduction in the water available in future years.