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Tuesday, 13 February 2018 14:11

Southern Water: Bewl reservoir level rises to 75% - but no room for complacency

Southern Water’s Bewl Water reservoir has staged an astonishing recovery thanks to weeks of winter rain - from a low of just under 33 per cent full at the start of December, the level hit 75 per cent on 12 February.

Downpours in late December and January helped refill the water source which is important for supplies to Thanet and is also used by South East Water. Southern Water also had pumps running from the Medway into Bewl under the normal conditions of its licence to take water.

Bewl ReservoirBewl, the largest body of open fresh water in South East England, was the subject of a precautionary drought permit granted on 17 January which allowed Southern Water to pump more water than normal out of the nearby River Medway.

The permit was granted by the Environment Agency after the dry winter of 2016 was compounded by the exceptionally dry autumn in 2017. In October and November the South East received less half of the usual amount of rain.

Nigel Hepworth, water resources policy manager at Southern Water commented:

'Strong rainfall kept river flows well above the precautionary drought permit allowances so to our relief we have not had to use the extra headroom granted us by the EA.'

'Despite not using the permit, we are absolutely sure that applying for it was the right thing to do. Given the situation in December, it would have been irresponsible not to have taken every possible step to ensure refill.'

The rain has lowered - but not eliminated - the risk of Southern Water having to impose temporary use bans such as restricting households from using hosepipes. The water company is warning there can be no let up on finding leaks or on customers' water efficiency - only 7 per cent of Southern Water's supplies come from reservoirs while nearly 80 per cent is extracted from bore holes.

'The situation at Bewl was a reflection of the fact that we live in an officially designated water stressed area. We urge people not to waste water and in the long term we want customers to reduce average daily use from a currently efficient 133 litres a day to a target of 100 litres a day by 2040,' Nigel Hepworth added.

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