The King Fahad Dam, previously known as Bisha Dam, is a

gravity dam A gravity dam is a dam constructed from concrete or stone masonry and designed to hold back water by using only the weight of the material and its resistance against the foundation. Gravity dams are designed so that each section of the dam is ...

Wadi Wadi ( ; ) is a river valley or a wet (ephemerality, ephemeral) Stream bed, riverbed that contains water only when heavy rain occurs. Wadis are located on gently sloping, nearly flat parts of deserts; commonly they begin on the distal portion ...

Bisha about south of

Bisha Bisha (, '), also known as Qal`at Bishah (, '), is a town in the south-western Saudi Arabian province, Asir. Bisha was its own province before merging with its neighboring province, Asir. Bisha has a population of 202,096 according to the 2022 Ce ...

in the

'Asir Region Asir, officially the Aseer Province, is a province of Saudi Arabia in southern Arabia. It has an area of , and an estimated population of 2,024,285 (in 2022). Asir is bounded by the Mecca Province to the north and west, al-Bahah Province to the ...

of southwestern

Saudi Arabia Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in West Asia. Located in the centre of the Middle East, it covers the bulk of the Arabian Peninsula and has a land area of about , making it the List of Asian countries ...

. The dam has many purposes , such as serving

flood control Flood management or flood control are methods used to reduce or prevent the detrimental effects of flood waters. Flooding can be caused by a mix of both natural processes, such as extreme weather upstream, and human changes to waterbodies and ru ...

, supplying water to nearby localities,

irrigation Irrigation (also referred to as watering of plants) is the practice of applying controlled amounts of water to land to help grow crops, landscape plants, and lawns. Irrigation has been a key aspect of agriculture for over 5,000 years and has bee ...

and

groundwater recharge Groundwater recharge or deep drainage or deep percolation is a hydrologic process, where water moves downward from surface water to groundwater. Recharge is the primary method through which water enters an aquifer. This process usually occurs in ...

. A water treatment plant was built in conjunction with the dam and it can supply up to of water to the city of Bisha a day. The dam was constructed between 1986 and 1997. It is named after King Fahad and is managed the Ministry of Water and Electricity. At in height, it was the tallest dam in the country until the Baysh Dam was completed in 2009. King Fahad's reservoir still has the largest storage capacity, at .

References

{{reflist Dams completed in 1997 Dams in Saudi Arabia 'Asir Province