河北省怀来县东五渠,是明末清初修建的5条古老渠道,渠首排列于永定河上游洋河东岸,解放后实行了统一管理,故名“东五渠”。解放前,全灌区共有5条干渠, 10条支渠,控制面积7.5万亩。但由于被地主富农操纵,用水不公,灌区工程简陋,土地碱涝,保浇面积只有3万亩,提水浇地不过 The East Fifth Wulan County in Hebei Province, is the Ming and Qing Dynasties built five ancient channels, the first row arranged in the upper reaches of the Yongding River Yanghe east coast, after the liberation of a unified management, hence the name “East five drainage ”. Before the liberation, there were 5 main drainage channels and 10 branch channels in the whole irrigation area with a controlled area of ​​75,000 mu. However, due to being manipulated by landlords and rich peasants, unfair water use, simple irrigation projects, land waterlogging, watering area of ​​only 30000 acres, irrigated but