沂水县共有小型水库 1 2 6座 ,控制流域面积349 8km2 。这些小型水库 ,大多兴建于 2 0世纪 5 0、6 0年代 ,由于修建时受各种条件的限制 ,实测水文资料一般都很短 ,有的甚至没资料 ,所以在进行水文水利计算时 ,其推算的设计洪水和确定的工程规划指标不准确 ,从而影响了工程的安 Yishui County, a total of 126 small reservoirs, control basin area of ​​349 8km2. Most of these small reservoirs were built in the 1950s and 1960s. Due to various conditions at the time of construction, the observed hydrological data are usually short and some are not even available. Therefore, when hydrological and hydrological calculations are conducted, Estimated design flood and the project planning indicators are not accurate, thus affecting the safety of the project