The growing demand for water by both industry and agriculture will have a major impact on the world's supply of usable water in the near future. Thus, the need to develop effective water recycling processes is becoming more and more urgent. In the following article one such project in the UK, which is successfully converting sewage effluent into high quality process water for use by a gas-fired power station, is highlighted. John Murrer, Anglian Water Group, UK, explains.