Bang Lang Reservoir ( Thai : อ่างเก็บน้ำบางลาง ) is a reservoir in Bannang Sata District , Yala Province , southern Thailand . The reservoir is on the Pattani River .
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1-531: The reservoir's dam, Bang Lang Dam , is 85 metres high with a crest of 422 metres long, and the reservoir has a capacity of 1,420 million cubic metres. It is used for irrigation and flood control as well as to produce 72 MW of electricity. Construction of the dam was approved on 3 April 1973. Construction started in July 1976. In June 1981 the dam was completed. It was officially inaugurated on 27 September 1981 by Princess Maha Chakri Sirindhorn . The reservoir submerged
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