Who built Clywedog dam?
The reservoir and its dams were designed by the civil engineers Sir William Halcrow & Partners. The main contractors were Reed and Mallick of Salisbury. The dam is constructed of 11 independent concrete buttresses, the areas between the buttresses being hollow internally.
When was Clywedog dam built?
1964 and 1967
Clywedog reservoir was built between 1964 and 1967. It is owned by Severn Trent Water who release water from the reservoir under instruction from the NRA.
How big is Clywedog dam?
750 ft
Its concrete buttress dam is the tallest concrete dam in the UK, with a height of 72 metres (236 ft) and a length of 230 metres (750 ft)….
| Clywedog Reservoir | |
|---|---|
| Max. length | 9.5 km (5.9 mi) |
| Surface area | 2.5 km2 (0.97 sq mi) |
| Max. depth | 66 m (217 ft) |
| Water volume | 50,000 megalitres (41,000 acre⋅ft) |
Why was clywedog built?
The dam was built between 1965-67 to regulate the flow of water in the Severn, both as a protection against flooding of the upper sections of the river during the winter months and also to ensure the maintenance of a minimum flow in the river during the summer.
How much did the Clywedog dam cost?
The dams were constructed between 1964 and 1967, and had a final out-turn cost in the region of £5 million (some £120 million at today’s rate).
Can you swim in Lake Clywedog?
While our visitor sites are lovely places to enjoy the great outdoors, the reservoirs are deep, have strong currents and hidden infrastructure. They are not safe places to swim. Please do not swim in our reservoirs.
Can you swim in Clywedog reservoir?
Do not swim in our reservoirs Our reservoirs are purpose built for storing and supplying water. While our visitor sites are lovely places to enjoy the great outdoors, the reservoirs are deep, have strong currents and hidden infrastructure. They are not safe places to swim. Please do not swim in our reservoirs.
Can you walk around Clywedog reservoir?
Generally considered an easy route, it takes an average of 1 h 26 min to complete. This trail is great for hiking, walking, and other nature trips. Very scenic and fairly straightforward trail. Overall, pretty easy-going walk except for one pretty steep incline at the end but with rewarding views.
Why was the Clywedog dam built?
Below Clywedog reservoir dam. Construction of the dam started in 1963 after the passing of an Act of Parliament ordering its creation to help prevent flooding of the River Severn in winter and to maintain its water levels in the summer.
How big is the Clywedog reservoir?
50,000 megalitres (41,000 acre⋅ft) The Clywedog reservoir (Welsh: Llyn Clywedog) is a reservoir near Llanidloes, Wales on the head-waters of the River Severn.
What is the Llyn Clywedog?
The Llyn Clywedog is a man made reservoir formed by the construction of the Clywedog Dam.
What is China’s mega-dam?
The mega-dam could produce as much as three times the hydroelectric power of China’s current largest dam, the Three Gorges, a project which forced the relocation of more than 1.4 million people. The Three Gorges Dam on the Yangtze River in central China is currently the world’s biggest dam.