Cannabaceae

Queen Mother Reservoir
Reservoir and sailing club
Queen Mother Reservoir is located in Berkshire
Queen Mother Reservoir
Queen Mother Reservoir
LocationBerkshire, England
Coordinates51°28′55″N 0°32′56″W / 51.48194°N 0.54889°W / 51.48194; -0.54889
TypeBank side reservoir
Basin countriesUnited Kingdom
Surface area475 acres (1.92 km2)
Water volume38,000 megalitres (1,300×10^6 cu ft)

The Queen Mother Reservoir is a public water supply reservoir that lies between the M4 and the M25 to the west of London, close to Datchet. It is 475 acres (1.92 km2) in size or about 1 km in diameter - making it one of the largest inland areas of water in Southern England.[1] It is managed by Thames Water.

This is one of a number of reservoirs to the west of London and was completed in 1976. It was inaugurated on 9 July that year by Queen Elizabeth The Queen Mother, after whom it is named.[2] Its water is pumped from the River Thames nearby.[3] The water improves in quality during its retention in the reservoir as solids settle and organic contaminants are adsorbed and degraded through a combination of natural biological processes aided by sunlight and oxygenation. Water from the reservoir is treated (often using slow sand filters) before being put into supply as London tap water.[4] The reservoir contains a limnological tower.[5]

During the design and early construction it was called the Datchet reservoir due to its closeness to the town.[6]

Engineering design data for the Queen Mother reservoir is as follows.[6]

Parameter Value
Top water level above ordnance datum 35 m
Volume of water storage 37 million m3
Maximum depth of water 23 m
Water area 192 ha
Maximum height of bank above ground 20 m
Perimeter of bank 5,350 m

The reservoir lies within the Colne Valley regional park and like other local reservoirs is popular for sailing and bird-watching. Petrels have been spotted at this reservoir.[7]

See also

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References

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  1. ^ Datchet Water sailing club
  2. ^ "The Queen Mother Reservoir - some aspects of its design and construction" (PDF). geplus.co.uk. Retrieved 19 June 2015.
  3. ^ BBC News Homes flooded by reservoir leak Saturday, 8 April 2006
  4. ^ News Release Thames Water Employs Reservoir Profiler to Reduce Costs (6 June 2007) Archived September 19, 2007, at the Wayback Machine
  5. ^ Pawsey, D B H; Humphrey, A W (October 1976). "he Queen Mother Reservoir – some aspects of its design and construction". Ground Engineering: 27–30.
  6. ^ a b Bell, F. G. (1979). Engineering Geology and Geotechnics. Butterworth-Heinemann Ltd. p. 270. ISBN 9780408003551.
  7. ^ Thames Water official website - Birdwatching
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One thought on “Cannabaceae

  1. Well, that’s interesting to know that Psilotum nudum are known as whisk ferns. Psilotum nudum is the commoner species of the two. While the P. flaccidum is a rare species and is found in the tropical islands. Both the species are usually epiphytic in habit and grow upon tree ferns. These species may also be terrestrial and grow in humus or in the crevices of the rocks.
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