Shigang Dam

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Shigang Dam (traditional Chinese: 石岡壩; simplified Chinese: 石冈坝; pinyin: Shígāng Bà) is a concrete gravity barrage dam across the Dajia River in Shigang District and Dongshi District of Taichung, Taiwan, located near Fengyuan District. The dam was built from 1974 to 1977 for flood control and irrigation purposes, and stands 35.2 m (115 ft) high and 357 m (1,171 ft) long, holding a reservoir with an original capacity of 3,380,000 m3 (2,740 acre⋅ft). The dam was badly damaged in the 921 earthquake of 1999, which caused the collapse of its northern end. Subsequently, an embankment cofferdam was built to prevent water from flowing through the breach, while the collapsed section has been retained as a memorial. Since this reduces the storage capacity of the dam, it is no longer used for flood control, but remains an important source of agricultural water.