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大宫灌区位于河南省境内黄河北岸,设计灌溉面积370万亩,是一处引黄河水灌溉的大型灌区,灌溉范围包括新乡市的封丘县、长垣县、安阳市的滑县、濮阳市的清丰县。灌区总干渠自黄河北岸红旗渠闸至滑县县城段总长度79.54公里.设计引水流量近期70立方米每秒,远期120立方米每秒。大宫灌区原名红旗渠灌区,兴建于1958年。渠首红旗渠闸位于封丘县荆隆宫乡大宫村,总干渠经封丘、长垣、滑县、浚县、内黄、清丰、南乐7县,原大宫引水闸——红旗渠闸设计引水流量280立方
Omiya Irrigation District, located in the northern bank of the Yellow River in Henan Province, has an irrigation area of 3.7 million mu. It is a large irrigation area that draws water from the Yellow River. The irrigation areas include Fengqiu County and Changyuan County of Xinxiang City, Huaxian County and Puyang City Qingfeng County. The main canal of the Irrigation District has a total length of 79.54 kilometers from the Hongqi Canal Gate on the north bank of the Yellow River to the section of Huaxian County, with a designed diversion flow of 70 cubic meters per second and a forward of 120 cubic meters per second in the near future. Omi irrigation district formerly known as Hongqiqu Irrigation District, was built in 1958. Head of the red flag Canal gate is located in Fengqiu County Jinglong Palace Village, the main canal through the Fengqiu, Changyuan, Huaxian, Junxian, Neihuang, Qingfeng, Nanle 7 counties, the former Grand Palace floodgates - Red flag drainage design water diversion flow 280 cubic meters