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Llanishen Reservoir ((ウェールズ語:Cronfa Ddŵr Llanisien)) is a Victorian reservoir in North Cardiff in Wales. The reservoir is one of the reservoirs constructed as part of the Taff Fawr scheme for supplying water to Cardiff and was completed in 1886. It forms part of the Nant Fawr Corridor from the top of Roath Park to the countryside beyond Cyncoed. The reservoir was used for water supply until the mid-1970s when it became redundant. It was then used for leisure activities and for 'topping up' the adjacent Lisvane Reservoir until it was drained completely.〔 After buying Hyder plc, its new owner Western Power Distribution (WPD), proposed to redevelop the reservoir site, but after a series of objections from national governing bodies, the County Council, local residents and both local and national politicians this was blocked. On 30 August 2013 WPD sold both Llanishen and Lisvane reservoirs to CELSA Group.〔 ==History== In 1881, a report was commissioned on water resources within a reasonable distance of Cardiff. The report concluded that the Taff Fawr scheme would fulfil the town's requirements at the least cost and it was decided to create Llanishen Reservoir.〔 Construction of the reservoir started in 1882〔 by the engineer James Simpson for the Cardiff Waterworks Company and was completed in 1886.〔 The reservoir is retained by an earth-filled embankment with a clay core some high and about long. The external embankment face is grassed whilst the internal face has stone pitching over the upper part and concrete over the lower part. It has a maximum surface area of water of and a capacity of .〔 The reservoir is underlain by the St Maughan's Formation of the Lower Devonian age.〔 Glacial till deposits of the Devonian age form part of the northern shore of the reservoir. The reservoir may be on the northern limb of the Cowbridge anticline. The reservoir was transferred to Welsh Water in 1973〔 when the Welsh Water Authority was formed, and it supplied water until the mid-1970s. In 1996 Welsh Water's holding company was renamed as Hyder plc and the group acquired South Wales Electricity plc.〔 After Hyder's share price collapsed in 1999 and 2000,〔 the Hyder Group was sold to WPD on terms recommended by the Hyder Board〔 after a competitive and hostile takeover battle.〔 WPD is the American-owned electricity distribution network operator for South West England and South and West Wales. Welsh Assembly members were concerned that the takeover would mean jobs being transferred to Bristol and Cheshire, and at its effect "on consumers' interests, on the environment, and on the wider economy".〔〔 WPD acquired the reservoir from Welsh Water in 2001 when Welsh Water was acquired by the not-for-profit organisation Glas Cymru:〔〔〔 the reservoir was sold to a WPD subsidiary, Hyder Industrial Group Ltd,〔 which was later renamed Western Power Distribution Investments Ltd. The reservoir, which forms part of the Nant Fawr corridor,〔 has been redundant since the 1970s〔 and has only been used for leisure purposes and for 'topping up' the adjacent Lisvane Reservoir.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Llanishen Reservoir」の詳細全文を読む スポンサード リンク
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