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                                                                                                                                                                          九州线上娱乐:36个重点城市投资超1100亿 中国消除城市黑臭水体进入攻坚阶段

                                                                                                                                                                            武汉市江岸区幸福二路明渠曾经臭气熏天,3月9日,长江商报记者在幸福二路明渠边看到,明渠两岸建成了步道,岸边种上了花草树木,同时安装了休闲座椅,不时有居民在此漫步。幸福二路明渠的变化,成为湖北省持续治理城市黑臭水体成果的一个缩影。

                                                                                                                                                                            城市黑臭水体的整治是污染防治的重要一环,生态环境部水生态环境司司长张波在2月底的例行新闻发布会上介绍,到2018年底,36个重点城市1062个黑臭水体中,95%消除或基本消除黑臭,实现攻坚战年度目标。据不完全统计,36个重点城市直接用于黑臭水体整治的投资累计1140多亿元,共建设污水管网近2万公里、污水处理厂(设施)305座,新增日处理能力1415万吨,有效提升了水污染防治水平。36个重点城市黑臭水体涉及的101个国控断面中,Ⅰ-Ⅲ类水质比例同比提高3个百分点,劣Ⅴ类比例下降4.9个百分点,为全国水环境质量改善做出了重要贡献。

                                                                                                                                                                            城市黑臭水体成因复杂,既有排放口直排污水的点源污染,也有雨水所带来的面源污染,还有自身淤泥、水生植物造成的内源污染。以幸福二路明渠为例,1.2公里的明渠承接幸福二路周边雨水及上游十大家明渠、百步亭路箱涵来水,汇水范围包括后湖地区东片及丹水池片,规划汇水面积为8.8平方公里,服务人口约13万人。后湖新城区在开发时不同地块开发商规划不统一,雨污水管网缺乏系统性。为对其进行改造采用了多种治理手段。新建污水管道8.1公里,防止污水经市政雨水管涵直排入渠;明渠边坡设置杉木桩、生态石笼净化雨水,截留雨水中的固体污染物;清淤近2万立方米;定期清理垃圾、落叶等污染物,通过补水提高水体的流动性。

                                                                                                                                                                            湖北省住房城乡建设厅有关负责人介绍,2019年是城市黑臭水体治理的关键之年,各地将编制完善年度黑臭水体治理计划,全面完成生活污水直排口截污,设区城市75%的黑臭水体、黑臭河道要疏浚一次,城市黑臭水体消除率要达到90%。

                                                                                                                                                                            根据《城市黑臭水体治理攻坚战实施方案》,2019年是整治城市黑臭水体的攻坚之年,张波表示,将力争通过两年努力,消除地级城市建成区90%以上黑臭水体。同时,已经治好的黑臭水体,只要老百姓有意见,现场核实属实的,依然会列入国家整治清单,继续督促整治。