Llanishen Reservoir | |
---|---|
Location | Llanishen, Cardiff, Wales |
Coordinates | 51°31′43″N 3°10′21″W / 51.52861°N 3.17250°W |
Type | Reservoir |
Primary inflows | Rainfall |
Primary outflows | Drainage |
Basin countries | United Kingdom |
Built | 1886 |
First flooded | 1886 |
Surface area | 23.8 ha (59 acres) |
Max. depth | 9 m (30 ft) |
Water volume | 1,440,909 m3 (50,885,200 cu ft) |
Surface elevation | 45 m (148 ft) |
Frozen | Last frozen during Winter 09/10 |
Llanishen Reservoir (Welsh: Cronfa Ddŵr Llanisien) is a Victorian reservoir in north Cardiff, 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.[1] 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.[2]
In January 2016, Welsh Water acquired both Llanishen and Lisvane reservoirs from CELSA Group on a 999-year lease, which allows Welsh Water to use both reservoirs for water supply and recreational purposes while also allowing CELSA UK to continue to take its water supply from the Lisvane reservoir.[3]
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