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Time to drink sewage, experts say Time to drink sewage, experts say
(about 5 hours later)
Britain should tackle future droughts by recycling more sewage effluent as drinking water, civil engineers say.Britain should tackle future droughts by recycling more sewage effluent as drinking water, civil engineers say.
In its State of the Nation report for 2006, the Institution of Civil Engineers also called for a 20% rise in water prices to fund improved supply.In its State of the Nation report for 2006, the Institution of Civil Engineers also called for a 20% rise in water prices to fund improved supply.
But Water UK, which represents the water companies, attacked the "sensationalism" in the report.But Water UK, which represents the water companies, attacked the "sensationalism" in the report.
And pressure group Waterwise said although more effluent use was a possibility, demand management was key. Pressure group Waterwise said although more effluent use was a possibility, demand management was key.
South East England was in the grip of water shortages over the summer, with one company enforcing a drought order controlling use of water and a number of others enforcing hosepipe bans. The south east of England was in the grip of water shortages over the summer, with one company enforcing a drought order controlling use of water and a number of others enforcing hosepipe bans.
The Institution of Civil Engineers' chairman, Gordon Masterton, said there would be a "huge shortfall" in around 20 years "if we do nothing at all about securing our water supplies".
He said this was particularly the case in South East England.
ICE SUGGESTIONS More reservoirsPipeline from Wales to South East EnglandDesalination plantsCompulsory metering20% price riseNew mains Thames to be sold for £8bnICE SUGGESTIONS More reservoirsPipeline from Wales to South East EnglandDesalination plantsCompulsory metering20% price riseNew mains Thames to be sold for £8bn
As well as increasing use of effluent, ICE said it was time to fund new reservoirs, desalination plants to remove salt from water, and pipelines from wet regions like mid-Wales to the South East.As well as increasing use of effluent, ICE said it was time to fund new reservoirs, desalination plants to remove salt from water, and pipelines from wet regions like mid-Wales to the South East.
Water prices rising to match those elsewhere in Europe should be accompanied by compulsory metering in some areas, the report said.Water prices rising to match those elsewhere in Europe should be accompanied by compulsory metering in some areas, the report said.
ICE water board chairman John Lawson said: "Effluent water reuse is still a relatively untapped way of providing drinking water to meet growing long-term needs."ICE water board chairman John Lawson said: "Effluent water reuse is still a relatively untapped way of providing drinking water to meet growing long-term needs."
Turning effluent into drinking water involves a sieving and chemical cleaning process of waste water so it can be pumped into rivers and then taken back into the water purification process.Turning effluent into drinking water involves a sieving and chemical cleaning process of waste water so it can be pumped into rivers and then taken back into the water purification process.
But Water UK said it would be wrong to change the current policy on effluent reuse as the industry was already part of a "natural water cycle".But Water UK said it would be wrong to change the current policy on effluent reuse as the industry was already part of a "natural water cycle".
DEMAND MANAGEMENT Save-a-flush bagsRestricted tapsAerated shower headsTurn off tap when brushing teethRun full washing machine loadsDEMAND MANAGEMENT Save-a-flush bagsRestricted tapsAerated shower headsTurn off tap when brushing teethRun full washing machine loads
And Jacob Tompkins, director of Waterwise, said water management by consumers was the way forward, with such items as "save-a-flush bags" for toilet cisterns, flow restrictors on taps and aerated shower heads having proved a success in other countries.And Jacob Tompkins, director of Waterwise, said water management by consumers was the way forward, with such items as "save-a-flush bags" for toilet cisterns, flow restrictors on taps and aerated shower heads having proved a success in other countries.
Mr Tompkins, a civil engineer, said: "It is highly unfortunate that they still seem to be going for large-scale Victorian-style engineering approaches. They seem to have dismissed water efficiency."
The State of the Nation also tackled other UK infrastructure issues such as energy, where the ICE said it was time to cut consumption and diversify supply.The State of the Nation also tackled other UK infrastructure issues such as energy, where the ICE said it was time to cut consumption and diversify supply.
The engineers also said it was time to view waste as potential resources instead of a landfill problem.The engineers also said it was time to view waste as potential resources instead of a landfill problem.