Located on the main stream of the Ting River in Yongding County, Fujian Province, the Dantan Hydropower Station is mainly designed to generate electricity and has comprehensive benefits such as flood control, aquaculture and shipping. The normal water level of the reservoir is 173m, and the installed capacity of the power station is 600MW. The project is composed of RCC gravity dam, auxiliary dam, drainage structure, left bank water transmission structure and underground plant system, right bank dam crossing facilities and other structures. The crest of the dam is 179m high, 308.5m long and 113m high.