H M Prison Dartmoor: Sewerage Aqueduct is a Grade II listed building in the Dartmoor National Park local planning authority area, England. First listed on 28 October 1987. Aqueduct.

H M Prison Dartmoor: Sewerage Aqueduct

WRENN ID
carved-thatch-sable
Grade
II
Local Planning Authority
Dartmoor National Park
Constituency
Torridge and Tavistock MP: Sir Geoffrey Cox (Con)
Country
England
Date first listed
28 October 1987
Type
Aqueduct
Address
H M Prison Dartmoor: Sewerage Aqueduct, Sewerage Aqueduct Crossing Blackabrook River to North-West of Dartmoor Prison., Dartmoor Forest, West Devon
OS grid reference
SX 590 742
Coordinates
50.55116, -3.99085
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

H M Prison Dartmoor's sewerage aqueduct, built in 1900, is made of granite rubble and dressed granite. The aqueduct is approximately 275 feet long and features eleven segmental arches constructed from dressed granite. It has low parapets with dressed coping stones.

Local climate

H M Prison Dartmoor: Sewerage Aqueduct sits in a wetter-than-average part of the UK, with an average of 970 mm of rain a year. This makes it wetter than 76% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 78% of listed buildings.

It experiences an average of 31 freeze-thaw cycles a year, fewer than 61% of listed buildings. Of these, 15 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

More on this building

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  4. H M Prison Dartmoor: E Wing Grade II 317 m
  5. H M Prison Dartmoor: C and D Wings Grade II 357 m
  6. H M Prison Dartmoor: Former Chapel and Service Building Complex Grade II 364 m
  7. H M Prison Dartmoor: The Old Kitchen Grade II 389 m
  8. H M Prison Dartmoor: Inner Gateway, Former Guard's Rooms, Carriage Way and Perimeter Wall Grade II 408 m
  9. H M Prison Dartmoor: F and G Wings Grade II 420 m
  10. H M Prison Dartmoor: A and B Wings Grade II 422 m