 Waste management is co @-@ ordinated by the local authority via the Greater Manchester Waste <unk> Authority . <unk> produced inert waste for disposal is sent to landfill at the <unk> Valley . Oldham 's Distribution Network <unk> for electricity is United Utilities ; there are no power stations in the town . United Utilities also manages Oldham 's drinking and waste water ; water supplies being sourced from several local reservoirs , including <unk> and Chew . There is a water treatment works at Waterhead . 
