大宁水库建于1985年，设计防洪库容3600万m~3，为中型水库，是永定河的滞洪水库之一。
Daning reservoir was built in 1985 , and the design flood storage capacity is 36000000 m3 , which is a middle size reservoir , one of the retarding reservoirs of Yongding river .
大宁水库