The first reservoir to be built in Britain this century is planned for Somerset. Bristol Water wants the £100 million development to go next to the existing one in Cheddar.
People living in the area are being asked for their views as our Somerset Correspondent David Woodland reports.
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Cold and frost this evening
Dry and cold today and much colder with frost overnight
It comes after an early morning evacuation of passengers from the departure lounge after a smoke alarm was set off.