The mountainous region surrounding Helvellyn, the Lake District’s third highest peak, gathers a substantial portion of the rainwater that supplies homes, businesses and public buildings throughout the north-west of England.
“The fact of the matter is that the most precious resource, the thing that we really cannot rely on anywhere else, is the water,” says John Gorst, a catchment partnership officer at the water company United Utilities, which has 7.5 million customers in the region.