Haweswater Reservoir
Haweswater is a reservoir in the valley of Mardale, Cumbria in the Lake District, England. Work to raise the height of the original natural lake was started in 1929. It was controversially dammed after the UK Parliament passed a Private Act giving Manchester Corporation permission to build the reservoir to supply drinking water to the city. The decision caused a public outcry because the farming villages of Measand and Mardale Green would be flooded and the valley altered forever.
| Haweswater Reservoir | |
|---|---|
Reservoir seen from Harter Fell, Mardale | |
Haweswater Reservoir Location in the Lake District National Park | |
| Location | Lake District, Cumbria |
| Coordinates | 54°31′08″N 2°48′17″W |
| Type | reservoir, natural lake |
| Primary inflows | Mardale Beck, Riggindale Beck |
| Primary outflows | Haweswater Beck |
| Basin countries | England |
| Max. length | 6.7 km (4.2 mi) |
| Max. width | 900 m (3,000 ft) |
| Surface area | 3.9 km2 (1.5 sq mi) |
| Average depth | 23.4 m (77 ft) |
| Max. depth | 57 m (187 ft) |
| Water volume | 84 billion litres (18×109 imp gal) |
| Residence time | 500 days |
| Surface elevation | 246 m (807 ft) |
| Islands | 1 |
| References | |
The reservoir is now owned by United Utilities. It supplies about 25% of the North West's water supply.
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