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建国前,崇明县河、港、沟纵横密布,港口无控制建筑物,涨潮河水满,落潮河底干。内地水系乱,干河南北不通,洪不能挡,涝不能排,旱不能引,咸不能拒,自然灾害频繁。建国后,县委、县政府十分重视水利建设,50年代初,县委提出“要掌握水情,严守堤防,结合本县咸水倒灌的具体情况,要求完成防汛、排涝、管咸三大任务,并密切注意抗旱问题”的治水方针。1956年,县政府提出“分区重点治理”方案,编制了并港建闸规划,当时划分为庙港、三沙洪、新河港、堡镇港、六港、奚家
Before the founding of the PRC, Chongming County, river, port and ditch vertical and horizontal distribution, no control of the port buildings, the tide of the river full of water, dry tidal river bottom. Inland water chaos, dry river north and south barrier, flood can not block, flood can not row, drought can not lead, salty can not refuse, frequent natural disasters. After the founding of the People’s Republic of China, the county party committee and government attached great importance to water conservancy construction. In the early 1950s, the county party committee proposed that “to grasp the water regime and strictly observe the embankments, the three major tasks of flood control, drainage and saltwater management should be completed in light of the specific circumstances of salt water intrusion in this county, And pay close attention to the drought problem ”water policy. In 1956, the county government put forward the plan of “key district management” and compiled the plan for the construction of the port and the port, which was divided into Miaogang, Sanshahong, Xinhegang, Port of Baozhen, Liuangang, Xijia