An article in Country Life (2nd of June 2006) by Sandy Mitchell suggested that there were about 500 dew ponds left with most of them being found in Hampshire, the Peak District, Sussex and Yorkshire. Said to have a magical quality for not running dry, it is probably down to their siting and the locational conditions. One of the conditions is to insulate the dew pond so that the water remains colder than the earth beneath it. So that when the dew condenses within the pond structure. This insulation can be created by layering both clay and straw but this can be achieved (nowadays) with a geo-textile blanket. It is estimated, in Sandy Mitchell's article, that a 10 yard pond (8.361 square metres) would cost £12,000 to construct in 2006. Does anyone know what it may cost today?
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