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小洪河治理工程2000年被列为河南省水利建设“十五”计划重点工程建设项目。该工程治理河段长165.8km,总投资3.85亿元,工程于2002年12月20日正式开工,计划总工期为5a。该工程将提高河道防洪排涝标准,为驻马店市防汛减灾发挥重大作用。1 流域概况小洪河发源于舞钢市伏牛山区,流经舞阳、西平、平舆、新蔡等县,在新蔡县班台和汝河交汇流人大洪河。小洪河流域面积4280km~2,干流长251km。其中上游舞钢市境内为山区,下游为平原。区间有石漫滩大型水库、杨庄滞洪区和老王坡滞洪区
Small flood control project in 2000 was listed as Henan province water conservancy construction “fifteen ” plan key construction projects. The project management length of 165.8km, a total investment of 385 million yuan, the project was officially started on December 20, 2002, the total planned duration of 5a. The project will raise the standard of river flood control and drainage, and play a significant role in flood control and disaster reduction of Zhumadian City. 1 Basin Overview Xiaohonghe originated in Funiu Mountain Funiu, flowing through Wuyang, Xiping, Pingyu, Xin Cai and other counties, in Xincai County, Taiwan and the Ru River convergence people Dahonghe. Xiaodonghe basin area of 4280km ~ 2, the main stream 251km. Wugang upstream of which the territory of the mountains, the lower reaches of the plains. Intervals there Shimanan large reservoirs, Yangzhuang flood detention area and Pharaoh slope detention area