鸭河口水库是一座以防洪、灌溉为主,兼顾工业及城市用水,结合发电、养鱼等综合利用的大型水利枢纽工程。鸭河口水库建库43年来,取得了良好的综合经济效益,截至目前,水库工程发挥的总效益已达160亿元以上。其中,防洪减灾效益最大,占总效益的70%以上;灌溉效益次之,占总效益的25%左右;其他效益占5%左右。该库已经成为全市国民经济和社会发 Duck River Estuary Reservoir is a flood control, irrigation, taking into account industrial and urban water, combined with power generation, fish and other comprehensive utilization of large-scale water conservancy project. In the past 43 years, the duck mouth estuary reservoir has made good comprehensive economic benefits. Up to now, the total benefit of reservoir projects has reached more than 16 billion yuan. Among them, the benefit of flood control and disaster mitigation is the largest, accounting for more than 70% of the total benefit; the irrigation benefit is second, accounting for about 25% of the total benefit; other benefits account for about 5%. The library has become the city’s national economy and social development