UK floods by numbers

With the UK enduring its wettest winter for 250 years and floodwaters continuing to rise, we take a look at some of the more significant numbers and statistics surrounding the current floods.

Flood Sign

With the UK enduring its wettest winter for 250 years and floodwaters continuing to rise, we take a look at some of the more significant numbers and statistics surrounding the current floods.

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1766 was the first year of official UK rainfall records and January 2014 was the wettest in southern England since they began, featuring 23 rainy days (source: Environment Agency).

This follows the wettest December in the region for 50 years (source: Environment Agency).

215% above average rainfall was recorded for the whole of southern England in January (source: BBC/Met Office).

382 flood warnings are currently in place across England and Wales as of February 13 with the number of warnings fluctuating every hour (source: Environment Agency).

Severe warnings with a danger to life making up 16 of the total, 133 are medium-risk alerts, while a further 233 are low-level warnings.

There are currently more flood warnings in the south east of England than any other region with 14 severe warnings, 65 medium-risk and 118 low-level alerts.

5,000 properties have been affected by flooding since the current period of poor weather began (source: BBC News).

1.3m homes and businesses have been protected by flood defence schemes across England over the past decade (source: Environment Agency).

208,664 new homes have been built on floodplains in the UK since 2001. 38,026 of them are in ‘serious flood risk’ areas (source: ITV News).

Between £1.7m to £4.1m is the estimated cost of dredging key sections of rivers on the Somerset Levels, including Rivers Parrett and Tone.

Annual maintenance costs are estimated to be £200,000 (source: thisisthewestcountry.co.uk).

65,000,000 cubic metres of floodwater is sitting on the Somerset Levels (source: Environment Agency). This equates to 25 square miles of submerged land (source: Daily Telegraph). 

Up to 2.9m tonnes of water is being pumped off the Levels every day, the equivalent of filling up Wembley Stadium three times over (source: Environment Agency).

60,000 to 70,000 bacteria per 100mm is contained in Somerset floodwater, according to tests conducted by the University of Reading.

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This is approximately 60 times the safe amount of bacteria for agricultural water set by the World Heath Organisation (source: Sky News).