Far Hill Quarry

Far Hill Quarry
Location Harpur Hill
Coordinates 53°14′49″N 1°51′07″W / 53.247°N 1.852°W / 53.247; -1.852Coordinates: 53°14′49″N 1°51′07″W / 53.247°N 1.852°W / 53.247; -1.852
Lake type artificial
Primary inflows groundwater
Primary outflows evaporation, seepage
Basin countries England
First flooded c.2005
Max. length 308 ft (94 m)
Average depth 20 m (66 ft)
Max. depth 40 m (130 ft)
Settlements King Sterndale, Buxton

Far Hill Quarry is a disused quarry on Harpur Hill, Derbyshire. It has flooded and became known locally as "The Blue Lagoon".[1] The attractive blue colour is from caustic chemicals in the stone. The quarry lake is a popular swimming spot, despite pollution and its pH level being 11.3, which is highly alkaline (ammonia is 11.5).[2]

A proposal in August 2012 to fill in the quarry was rejected.[3] In 2013 the water was dyed black to deter swimmers,[4] but as of 2015 the water had clarified and the lagoon has its natural blue appearance again.[5] The water remained a lush blue until it was again dyed black in April 2016.

References

  1. "Police identify quarry death boy". BBC. 1 June 2009. Retrieved 12 August 2012.
  2. Dolan, Andy (12 August 2012). "The poison Blue Lagoon: It might look inviting, but the water is almost as toxic as bleach". MailOnline. Retrieved 10 December 2012.
  3. "Ryan Walker quarry death: Plans to fill Far Hill rejected". BBC. 30 August 2012. Retrieved 10 December 2012.
  4. "Toxic Derbyshire 'Blue Lagoon' dyed black". BBC. 10 June 2013. Retrieved 10 June 2013.
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