自黄浦江上游引水、长江引水两项工程部分竣工投产以来,供应的优质水已占全市日供水量的一半,使800万人受益,水质改善效果明显。但随着经济的发展,在黄浦江上游引水管渠穿越地带和保护区域内搭建违章建筑、堆放物品日益严重,已发现多处渗漏和不均匀沉陷,威胁着引水管渠的安全运行。为此,市政府颁布了《上海市原水引水管渠保护办法》,并于今年3月1日起正式实施,使管渠保护有了 Since the upper reaches of the Huangpu River and the Yangtze River diversion project were partially completed and put into production, the supply of high-quality water has accounted for half of the city’s daily water supply, benefiting 8 million people, and improving water quality. However, with the development of the economy, it has become increasingly serious to build illegal structures and piled-up articles in the area through which the diversion canal can pass through the upper reaches of the Huangpu River and in the protection area. It has been found that multiple leaks and uneven subsidence have threatened the safe operation of the diversion canal. To this end, the municipal government promulgated the “Provisions for the Protection of Water Diversion Canals in Shanghai,” which was formally implemented on March 1 this year, so that the canal protection has been