President Mahama ends 3-day tour in Brong-Ahafo Region President Mahama officially ended his three day tour of Brong Ahafo by inspecting work on the Rehabilitation and Expansion of the Berekum Water Supply System. The expansion works include the construction of a new treatment plant and ten new mechanised boreholes. The water system when completed will have the capacity to process about two point five million gallons of water a day. GBC