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The Mayor should use his leadership to press forward action to address the serious risk of flood damage and potential loss of life London faces if there is severe rainfall, a new report from the London Assembly says today (July 22nd)

 

For a Rainy Day by the Assembly’s Environment Committee warns that, if London gets rainfall similar to that which caused flooding elsewhere in the UK in 2007, some streets could flood within minutes and rivers soon after. Lives could be lost and damage to property could amount to tens of billions of pounds.The capital is particularly susceptible to flooding because it is so built up and water quickly gets into drains and rivers. Once these are full, water floods across the land’s surface putting up to 680,000 properties in the capital at risk from surface water flooding.

The report says it is just chance that London has so far escaped rainfall severe enough to cause widespread flooding, and warns that climate change increases the annual likelihood of severe rainstorms. Yet there is little information currently about the risks of surface water flooding, and awareness of flooding among Londoners is patchy.

The Committee’s report calls on the Mayor to help assess and communicate the risk of surface water flooding and support practical measures to reduce flood risk. It also urges him to help identify and secure funding from a wider range of sources to cut London’s flood risk and remove obstacles to river restoration projects.

Darren Johnson, deputy chair of the Environment Committee, said: “It is pure luck that London has so far escaped the kind of flooding that devastated other parts of the country in 2007, and we know that climate change makes severe rainstorms more likely in the future.

“To protect lives and help prevent extensive property damage, Londoners need to be better informed about flood risk and the Mayor must lead on ensuring everything possible is done to protect people’s homes and businesses.“


In London, local boroughs and the City of London are responsible for surface water and small watercourses. Main rivers and tidal water are within the remit of the Environment Agency.

However the report says the Mayor has an important role in ensuring these bodies are effective and is well placed to increase action in key areas through his direct powers, leadership and influence.

 

Source: London Mayor

Written by Scott Buckler
Friday, 22 July 2011 10:10

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