ELAN AQUEDUCT: INLET AND WASHOUT CHAMBER, CAETHON SYPHON

Site Details



NPRN
309607
Map Reference
SN96NW
Grid Reference
SN94866687
Unitary (Local) Authority
Powys
Old County
Radnorshire
Community
Rhayader
Type of Site
SLUICE HOUSE
Broad Class
Water Supply and Drainage
Period
Modern

Site Description


Part of the Elan Aqueduct (nprn 95469), itself part of the Elan Valley Water Scheme (nprn 96459), the Caethon Syphon carries the pipeline over Nant Caethon. It consists of the syphon inlet and washout chamber (nprn 309607), the Nant Caethon aqueduct (nprn 309608) and adjacent washout chamber (nprn 309609), an air valve chamber (nprn 309610) and the syphon outlet (nprn 309611) and covers a distance of some 1.49km.

B.A.Malaws, 05 December 2003.

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