Port charges levied by Dampier Port Authority will increase with effect from July 1, 2007. Port dues will increase from A$ 0.075 to A$ 0.08885 cents per GRT (plus GST). Berth hire at the Dampier Public Wharf will increase from $25 per/hr Per/50M to $47.50 per/hr Per/50M (plus GST). The port authority says that the increases are necessary to continue development in the port in 2007-08.