New “super sewer” plans made public

PLANS for a new Thames “super-sewer” will be the topic of discussion tomorrow at the London Assembly’s Health and Public Services Committee.

Environment bosses hope the new system will reduce the large amount of sewer and rainwater discharging into the River Thames.

On average, every year 39 million tonnes of untreated sewage overflows into the River Thames whenever the sewer system becomes overloaded with rainwater.

Just 2mm of rainwater can cause the sewage to flood but the new super sewer will reduce the amount of overflow by building two new tunnels and updating London’s sewage works.

A 14-week consultant phase began today and will allow those affected to comment on initial proposals. Concerns include the increase in cost to water customers and the long term environmental benefits.

The meeting is open to the general public and will be held Tuesday, 14 September from 10am in Committee Room 5 at City Hall, The Queen’s Walk, London. More information can be found at

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