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Engineers expect solution for Thames sewer flooding to be announced this week

Engineers looking to build a tunnelled solution that will transfer sewage discharged into the Thames to a treatment plant, are expecting to hear which of two possible solutions will be backed by government this week
Sewage overflows into the Thames more than once a week, frequently killing fish. Roughly 32Mm3 of raw sewage ends up in the river each year.As London's population grows its Victorian sewerage is being overwhelmed increasingly often.Last year two options for preventing discharges were outlined: A single tunnel over 30km long under the length of the Thames, or two shorter tunnels, one in the east and one in the west of the city. The projected cost for either option would be in the region of £2bn.

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