Gajah Mungkur Dam

Gajah Mungkur Reservoir (Dam) (Indonesian: Waduk Gajah Mungkur) is a water reservoir located at Pokohkidul in the Wonogiri Regency, Central Java, of Indonesia. It was constructed by redirecting the Bengawan Solo River, the longest in the Java Islands, which originates from The Gajah Mungkur Mountain. The maximum inundation area of Gajah Mungkur Reservoir is 8,800 hectares and covers the seven subdistricts of Wonogiri, Ngadirojo, Nguntoronadi, Baturetno, Giriwoyo, Eromoko, and Wuryantoro.[1]

Gajah Mungkur Reservoir
Gajah Mungkur dam
CountryIndonesia
LocationWonogiri Regency, Central Java, Indonesia
StatusOperational
Construction began1976
Opening date1982
Dam and spillways
Type of damEmbankment, rock-fill with watertight core
ImpoundsSolo River
Height40 m (131 ft)
Length830 m (2,723 ft)
Power Station
Operator(s)PT Indonesia Power
Commission date1991
Installed capacity12.5 MW

The reservoir is used for irrigation, hydroelectric power, source of drinking water, tourism, aquaculture, and fisheries.[2] Various fish may be found in the water, including parrotfish, wader pari, tawes, and patin jambal.[3]

History

Initial planning for the project began in 1964, with the intention of building a flood controller for the Bengawan Solo river. The final plan was formulated between 1972 and 1974 with the help of the Japan International Cooperation Agency.

Construction required the flooding of 51 villages in six districts.[1] Construction began in late 1976 and the project was completed in 1981. The reservoir became operational in 1982.

The reservoir was supposed to last for 100 years. However, due to the severe watershed (DAS) damage causing very high reservoir sedimentation,[4] the reservoir is not expected to last this long.

See also

References
  1. Fauzan, Maksum Nur (September 10, 2018). "Photo: A different look at Gajah Mungkur Dam". The Jakarta Post. Retrieved 2020-06-27.
  2. Utomo, Agus Djoko; Ridho, Rasyid; Putranto, Dinar DA; Saleh, Edward (April 2013). "Sedimentation Rate in Gajah Mungkur Reservoir Central Java, Indonesia" (PDF). International Journal of Development Research. 3. ISSN 2230-9926.
  3. "Gajah Mungkur Reservoir in Wonogiri Regency, Central Java Province". Indonesia Tourism. Retrieved 2020-06-27.
  4. "Jasa Tirta Kewalahan Atasi Sedimentasi Waduk Gajah Mungkur", tempo.co.id, access December 2017

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