粪便污染含菌量高 全美国逾数半海滩不宜游泳!
文章来源: 星岛日报 于
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环保组织“美国环境”(Environment
America)发表的年度报告指出,全国55%海滩受污水和人畜粪便污染,已经不适宜游泳,当中以德州的情况最为恶劣,多达90%海滩受到污染。
综合ABC及《纽约邮报》报道,“美国环境”过去一年抽查全国3100个海滩后,发表最新的年度报告,表示55%海滩的水质污染程度超出环境保护局标准,已经达到“可能不安全”的水平。调查发现,沿岸地区受到工厂、农场的污水和人畜粪便污染,包括工业化畜牧农场在内的业者,会将大量污物排到海洋。
以州份计算,德州的海滩污染情况最恶劣,61个海滩中90%水质达到不卫生水平;若以区域划分则是墨西哥湾最严重,84%海滩不符标准,其次是西岸和五大湖区;俄勒岗州海滩的持续污染时间最长,在多次检测期间,6个海滩75%的时间水质不达标。
“美国环境”表示,大多数污染来自下水道、私人化粪池以及工业农场,全国各地的污水处理设施数量不足或长期失修,都导致未经处理的污水直接进入环境,如果民众在不洁海水中游泳,可能导致皮肤病、呼吸道疾病以及耳朵、眼睛感染。国家首都毒物控制中心的专家约翰逊阿伯(Kelly
Johnson-Arbor)也说,民众食用污水区域的贝类后,也可能患上甲型肝炎等疾病。
报告同时显示,东北部多州多达数十个海滩,曾因海水含菌量超标而要关闭,其中麻省便有60多个海滩禁止游泳,州卫生部门检测后,发现海水的粪便细菌含量甚高。官员解释,每逢暴雨或融雪后,积水会把陆地上的粪便等污染物带到海边,也会令排水道满溢导致污染。在纽英伦其他州份中,罗德岛8个海滩因为肠球菌含量超标而要关闭,新罕布什尔则有7个海滩因“细菌含量上升”而关闭,但当地卫生官员未有透露细菌种类。
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