Llyn Cefni
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Llyn Cefni is a small reservoir in the centre of Anglesey, Wales which is managed by Welsh Water and Hamdden Ltd, while the fishery is managed by the Cefni Angling Association.[1] The reservoir is located just Script error: No such module "convert". northwest of the island's county town of Llangefni.
History
During World War II, a water scheme was devised for the town of Llangefni in central Anglesey. It involved water from a local source being pumped to two settling tanks in the Dingle part of the town. From here the water was pumped across the river to a reservoir and water tower, on the site of the present Pennant Estate. These arrangements became redundant with the building of the Cefni Reservoir, which was completed in 1951, but the settling tanks and pumping station survive in Llangefni to this day. The new scheme was designed to supply most of the water needs for the people of Anglesey for the foreseeable future.[2]
Geography
The Afon Cefni is one of the main rivers of Anglesey. It was dammed about Script error: No such module "convert". northwest of Llangefni, just below the confluence of the tributary from Tregaian with other streams flowing from the northwest, and the reservoir has a catchment area of about Script error: No such module "convert"..[3]
The reservoir is fed by two main streams, the Afon Frogwy entering from the west and the Afon Erddreiniog from the north east end.[1] With a maximum length of Script error: No such module "convert". and a total water surface area of Script error: No such module "convert"., Llyn Cefni is the second largest body of water on the island after Llyn Alaw, also a reservoir. There is a dam on the south-east edge of the reservoir, next to which is a car park. The northeastern end of the reservoir and the immediate surrounding area have been designated as a nature reserve,[1] and as a further measure of conservation, a plantation of trees runs along its north shore. The tracks of the Anglesey Central Railway, although no longer used, still run over an embankment which crosses the water.[4] The reservoir is easily accessible from Llangefni, as well defined paths run from the town through the local nature reserve, The Dingle, one of the few ancient woodland sites on the island.[5] It can also be accessed by the Lôn Las Cefni cycleway which follows the Afon Cefni from The Dingle and divides at the dam.[1]
In the summer of 2011, toxic blue-green algae were found in the reservoir and visitors were advised to avoid contact with the water.[6] Script error: No such module "wide image".Script error: No such module "Check for unknown parameters".
References
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