汾河水库位于娄烦县罗家曲公社下石家庄村北一公里处。上游包括宁武、静乐、岚县、娄烦四县的大部分地区和神池县的一小部分。流域面积5,268平方公里。是山西省最大的一座以防洪为主,兼顾工农业用水、养渔等多种效益的水库。但自一九六○年拦洪蓄水以来,由于上游严重的土壤侵蚀未能得到统筹治理,致使泥沙下泄,淤积库容,至一九八二年二十三年,总淤积量达3.0113亿立方米,占泥沙库容3.45亿立方米的87.3%,平均每年淤积 Fenhe reservoir is located in Loufan County, Luo Jiaqu commune Shijiazhuang Village, one kilometer north. Upstream, including Ningwu, Jingle, Lan County, Loufan four counties in most parts of the county and Shenchi a small part. Watershed area of ​​5,268 square kilometers. Is the largest in Shanxi Province to flood control, taking into account the industrial and agricultural water, raising fish and other benefits of the reservoir. However, since the flood control and water storage in 1960, due to the serious erosion of the soil in the upper reaches, it has not been able to co-ordinate management. As a result, sediment has been released and accumulated. By 1923, the total deposition volume reached 301.133 million Cubic meters, accounting for 87.3% of the sediment storage capacity of 345 million cubic meters, the average annual deposition