The main dam of the reservoir is a sand shell dam with clay core wall, with a dam length of1710m, a maximum dam height of 27.80m and a dam crest width of 9m. The auxiliary dam of the reservoir is located at the Yang Shan side of the navel of the west tank of the reservoir, with a total length of 940m, a crest elevation of15m and a crest width of 6m. The spillway has four holes, and the maximum flow rate is 2 185 cubic meters per second. The maximum flow of the water conveyance tunnel is 35.40 cubic meters per second.
The hydropower station is equipped with 4 sets 1000 kw. The average annual output of this power station is 300,000 kilowatt hours.
The flood control capacity of the reservoir is once in a thousand years. The designed irrigation area of reservoir irrigation area is 210.3 million mu, and the effective irrigation area is1.10.0 million mu.