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Dove Stone Dam
8km east of Oldham, Greater Manchester
associated engineer
G.H. Hill & Sons
date  1960 - 6th October 1966
UK era  Modern  |  category  Dam/Reservoir  |  reference  SE013036
ICE reference number  HEW 551
This modern dam in the Peak District National Park might possibly be the last major dam built in Britain with a conventional puddle clay core.
The dam was built for the Ashton under Lyne, Stalybridge & Dukinfield (District) Joint Committee. The 1958 enabling Act of Parliament required the committee to employ a landscape architect.
The earth embankment has a maximum height of 38m and a length of 550m. The dam is 4.25m wide at its crest and a maximum of 183m wide at its base. Under the embankment is a concrete cutoff in a cutoff trench (average depth 23m), which forms a seal between the foundations and the earthworks, helping prevent leaks form the reservoir. Above the cutoff is the clay core. The total volume of the dam is 34,000 cubic metres.
The drop-shaft overflow at the north end, with a tunnel under the side of the valley, is a feature not normally seen on dams in the Pennines. Earlier Pennine dams feature water cascading down masonry spillways.
Contractor: A.E. Farr & Co
Landscape architect: J.B. Blayney
Research: PD
reference sources   CEH North

Dove Stone Dam