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cy Cyferbynnedd
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Manylion y Safle

© Copyright and database right 2020. All rights reserved. Ordnance Survey licence number 0100022206

NPRN 424659

Cyfeirnod Map SJ16SE

Cyfeirnod Grid SJ17906270

Awdurdod Lleol Sir y Fflint 

Hen Sir Fflint

Cymuned Cilcain

Math o Safle CRONFA DDWR

Dosbarth Cyffredinol CYFLENWI A DRAENIO DWR

Cyfnod 19eg Ganrif

Disgrifiad o´r Safle Information from an Archaeological Assessment of Brithdir Mawr Reservoir Discontinuance, Flintshire, conducted by Gwynedd Archaeological Trust, 2019:

'As specified in data supplied by Stillwater Associates Limited, Brithdir Mawr reservoir was constructed in 1897 and consists of a 94m long, 9m high earthfill embankment with a puddle clay core. The inlet for this reservoir is described as uncontrolled from the surrounding 200 hectares. It has a 7.6m long primary, a 9.75m secondary spillway and two low level outlets with inline sluice valves. The reservoir measures c. 150m long East to West and 100m wide North to South.'

RCAHMW, 15th Janaury 2020

Chofnodion Archifol

Adnoddau Ar-lein