Abingdon Reservoir | |
---|---|
Location | Oxfordshire |
Coordinates | 51°38′04″N1°21′15″W / 51.63444°N 1.35417°W |
Lake type | Bunded reservoir (Proposed) |
Primary inflows | River Thames |
Primary outflows | River Thames |
Basin countries | United Kingdom |
Surface area | 6.7 km2 (670 ha; 1,700 acres) |
Average depth | 22.4 m (73 ft) |
Water volume | 150 million cubic metres (150 billion litres; 33 billion imperial gallons; 0.15 cubic kilometres; 0.036 cubic miles) |
The Abingdon Reservoir (also known as the South East Strategic Reservoir Option, or SESRO) is a long-term proposal for fresh water storage for the Home Counties. Located south west of Abingdon, Oxfordshire in the mid-west of the Thames Basin, it is intended to help support water supply provision in the south-east of England. The proposals have been developed with Southern Water and Affinity Water and is intended to serve all three company’s customers. [2]
The proposal arose in 2006 by Thames Water. [3] In 2007 the Environment Agency opined that need for this was not proven. [4] Further arguments were put but the near-term-demand case was rejected in 2011. [5] In 2023, following a period of consultation, a revised version increased the proposal to 150 billion litres (150 million cubic metres; 33 billion imperial gallons). [6]
This would make Abingdon the second-largest reservoir in England by capacity, exceeded only by Kielder Water at 200 billion litres (200 million cubic metres; 44 billion imperial gallons), pushing Rutland Water into third place at 124 billion litres (124 million cubic metres; 27 billion imperial gallons). Across the whole of the UK, only seven Scottish lochs have greater freshwater storage by volume.
Since 2018, a longer-term proposal stands, for its building, by 2043 to cater to projected population growth in the Thames Basin. [7] [8]
The main reason to build is that the South-East is facing significant seasonal water stress. Factors are the rain shadow behind the prevailing westerly winds and western hills. Eastern counties lack the rainfall of the west; their average annual rainfall being 500-750mm. The west receives around 1800-2800mm.
Average population density is higher in the eastern than western counties; London houses 13.5% of the UK's population. This is the greatest concentration of domestic water usage. Roughly 22% of water use is domestic; 75% is from all types of industry.[ citation needed ]
GARD or the 'Group Against Reservoir Development' have counter-arguments, local, national, and international comparators. [9]
Oxfordshire is a ceremonial county in South East England. The county is bordered by Northamptonshire and Warwickshire to the north, Buckinghamshire to the east, Berkshire to the south, and Wiltshire and Gloucestershire to the west. The city of Oxford is the largest settlement and county town.
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