The construction of Lishimen reservior started from May 1973 by the second engineering Department of Zhejiang Provincial water conservancy and Hydropower Bureau and it was completed in Nov 1979. It won the state excellent project silver medal. The main structures include barrage, headrace tunnel, powerhouse, substation and etc. The barrage is a concrete dome dam, with a height of 74.3m, the dam crest level is 186.3m, length of dam crest is 265m, maxmim thickness is 15.5m, the dam is overflowed at top with a discharge of 5730 m3/s.
