【摘要】 对湛江市主要城市集中式饮用水水源地基础环境状况的进行的调查,采用单因子法对选取的9个饮用水水源地的水质进行了评价。结果表明,2012～2016年南渡河、鉴江2个水源地年均水质均不达标,水质类别为《地表水环境质量标准》(GB3838-2002)Ⅳ类标准,超标项目均为粪大肠菌群;其余7个水源地监测断面水质良好,均达到Ⅲ类标准,其中雷州青年运河水质最好,为Ⅱ类;各水源地水质总体保持稳定。分析了该饮用水水源地存在的主要环境问题和管理问题,并提出了加强水污染防治、完善管理政策和应急预案等对策及建议。更多还原

【Abstract】 This paper investigated the basic environmental conditions of main urban centralized drinking water sources in Zhanjiang City,and evaluated the water quality of 9 drinking water sources by single index method. The results showed that from2012 to 2016,the annual water quality of Nandu river and Jian River drinking water sources did not meet the required standard,the water quality of both drinking water sources belong to the Ⅳ level of " surface water environmental quality standard"( GB3838-2002),the indexes that exceed the standard were both fecal coliform. And the annual water quality of the other 7 water sources were all good,which can meet level Ⅲof " surface water environmental quality standard". The water quality of Leizhou Youth Canal was the best which meet level Ⅱ of " surface water environmental quality standard". Water quality of the 9 drinking water sources maintained stable. The main environmental problems and management problems of the drinking water sources were analyzed,and some countermeasures and suggestions such as strengthen the prevention and control of water pollution,improve the management policy and emergency plan were put forward.更多还原