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浙江母亲河,这样变清变靓

2017-08-16 06:16:32   中国青年网

历经10余年的综合整治,浙江的母亲河钱塘江,生态环境质量再上新台阶。今年,从干流主动脉到支流,从大江大河到小沟小渠,钱塘江全流域完成对劣Ⅴ类水的围剿工作。

钱塘江流域由此成为全国沿海省份中率先剿灭劣Ⅴ类水的大流域。截至今年7月,钱塘江47个地表水省控断面水质均达到或优于Ⅲ类水,30个国家地表水考核断面全部达标;流域内县控以上劣Ⅴ类断面全部剿灭,5000余个劣Ⅴ类小微水体完成整治……

一江清水,来之不易。

作为全国经济最为发达的流域之一,钱塘江流域产业集中、人口稠密、污染源复杂……我省紧紧围绕“整治钱塘江 建设生态省”的目标,全面深化河长制,以治水倒逼钱塘江流域的产业转型升级,高标准推进治水惠民工程,全民共享生态环境改善带来的绿色福利。

斩断污染源头

水岸同治促转型

钱塘江流域涉及杭州、衢州、金华、绍兴、丽水等5个市、22个县(市、区)。

永康的五金、浦江的水晶、富阳的造纸、萧山的印染……流域内各县(市、区)的特色产业曾是当地经济的增长极和百姓创富的重要来源,但在特色产业快速扩张发展的背后,是已逼近极限的水环境容量。

回望5年前的一组数据:钱塘江流域化学需氧量排放超过8.3万吨,氨氮排放超过3.3万吨;垃圾河135条、黑臭河184条、饮用水源隐患53处。本报“治水拆违大查访”栏目,曾接到过关于各类钱塘江流域污染河道的投诉。

针对污染顽疾,2013年,“五水共治”行动在钱塘江的支流浦阳江畔打响。浦江县关停各类违规“低小散”水晶作坊2万余家。符合标准的水晶企业集聚入园区,统一设置治污设备,污水处理达标后排放。

“仅1年浦阳江水质就从劣Ⅴ类恢复到Ⅲ类。”浦江浦阳街道党工委书记陈炜说。

按照水晶产业治理的典型模式,钱塘江流域传统污染产业经历“关停淘汰一批、整合入园一批、规范提升一批”的整治提升,实现了从粗放经营到集聚提升的转变。

重污染行业的全面整治,让钱塘江水质迎来质变。2016年,钱塘江47个省控断面水质就已全部达到Ⅲ类水标准,钱塘江主干河道和重要支流全面告别劣Ⅴ类水。

整治小微水体

提高标准护民生

7月,杭州钱江南岸的奥体码头,来自全国各地的1900名游泳爱好者,跃入江中,弄潮钱塘。主干河道Ⅲ类水质,可游泳的母亲河,这是钱塘江全域剿劣给百姓带来的最直接的福利。

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