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The Brent Reservoir (popularly called the Welsh Harp) is a reservoir which straddles the boundary between the London boroughs of Brent and Barnet and is owned by the Canal & River Trust. The reservoir takes its informal name from a public house called The Welsh Harp, which stood nearby until the early 1970s. It is the only Site of Special Scientific Interest in Barnet and Brent. The reservoir is fed by the Silk Stream and the River Brent, and its outflow is the River Brent. It is said to contain enough water to fill 3 million baths, and in 1994 when the reservoir was drained, more than of fish were captured, 95% of which were roach. However, fishing is prohibited. The reservoir has a sailing centre, home to BTYC Sailsports, Wembley Sailing club, Seahorse Sailing Club, the Sea Cadets, and the University of London Sailing club. In 1960, it also hosted the Women's European Rowing Championships. ==Construction of the reservoir== Plans for the construction laid in 1803 were abandoned because of cost. However canals continued to develop in the early 19th century and there were water supply problems. By 1820 there was not enough water to supply the Grand Union Canal and the Regent's Canal so under an Act of Parliament in 1819, the Regent's Canal Company decided to dam the River Brent and create a reservoir. The reservoir was constructed by William Hoof between 1834 and 1835. The water flooded much of Cockman’s Farm, to supply the Regent's Canal at Paddington. It was called Kingsbury Reservoir and its spread between Old Kingsbury Church and Edgware Road. Hoof, who was awarded the tender for the work (including the construction of a bridge) received the sum of £2,740 and six shillings.〔Birds of Brent Reservoir, 2001 ISBN 0-9541862-0-6〕 Construction did not proceed without problems; in August 1835, a few months before completion, four brothers named Sidebottom drowned in an accident. Additional building was completed in December 1837 to extend the reservoir. In 1841 after seven days of continuous rain the dam head collapsed, killing two people.〔Defra: http://www.defra.gov.uk/environment/water/rs/pdf/defra_rs_flood-etc-16.pdf〕 It was after this that a supervisor was employed for the first time, with a cottage near the dam. This cottage still exists. At its greatest extent it covered 400 acres (1.6 km2) in 1853, but was reduced to 195 acres (789,000 m2) in the 1890s, and subsequently reduced to 110 acres (445,000 m2). 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「Brent Reservoir」の詳細全文を読む スポンサード リンク
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