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滇中饮水工程正式开工建设 直接受益人口将超千万

2017-08-04 15:32:00   央广网

央广网昆明8月4日消息(记者李腾飞)2017年国家15项重大水利工程之一的滇中饮水工程今天(8月4日)正式开工建设。

滇中饮水工程任务以城镇生活与工业供水为主,兼顾农业和生态。远期规划水平年2040年,多年平均饮水量超过34亿立方米,其中供给城镇生活和工业22.31亿立方米,供给农业灌溉5亿立方米,向滇池等湖泊环境补水6.72亿立方米,比重依次为65%、15%和20%。

滇中饮水工程由水源工程和输水工程两部分组成。水源工程位于丽江市玉龙县石鼓镇,为一级泵站提水方案,从位于石鼓镇上游约1.5公里的金沙江右岸取水,经引水渠并沉沙后输水至地下泵站,由泵站提水至总干渠渠首。输水工程由丽江石鼓镇望城坡开始,途径丽江市、大理州、楚雄州、昆明市、玉溪市,终点为红河州新坡背,线路全长661.07公里。

滇中饮水工程受水区共涉及输水总干渠沿线六州(市)35个县(市、区)的34个受水小区,国土面积3.69万平方公里,同时,利用总干渠空闲富余能力,向滇池、杞麓湖、异龙湖补充生态环境用水。

滇中地区地处长江、珠江、澜沧江和红河四大流域的分水岭地带,降水少,多年平均径流量仅占全省水资源量的12%,是全国有名的干旱区。滇中饮水工程建成后,在当地水资源与外调水的联合调度下,各受水小区城镇生活和工业供水保证率达到95%,城镇生活和工业基本不缺水,直接受益人口约1112万,约占云南全省总人口的24%。预计远期规划水平年2040年,可创造工业增加值5291亿元;新增灌溉面积49.2万亩,改善灌溉面积63.6万亩;多年平均可向滇池、杞麓湖、异龙湖补充生态环境用水6.72亿方,预计补水后2030年滇池、杞麓湖和异龙湖水质均能达到III类,湖泊水质有不同程度改善。

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