The Dongping Dam is an arch dam on the Zhongjian River (忠建河), a right tributary of the Qing River, in Xuan'en County, Hubei Province, China. The primary purpose of the dam is hydroelectric power generation and it supports a 110 MW power station consisting of two 55 MW Francis turbine-generators. The 135-metre-tall (443 ft) arch dam withholds a reservoir of 336,000,000 m3 (272,000 acre⋅ft). Construction began in 2000, the first generator was operational in 2005 and the project completed in 2006.