深圳市浅层地下水环境质量现状评价与分析

Evaluation and Analysis of the Water Quality Status of Groundwater in Shenzhen City

根据2013年来深圳市地下水调查监测结果,分别采用单项指标评价和综合评价法,评价该市地下水的水质状况。结果表明,抽样调查的18口地下水监测井中,水质达到《地下水质量标准》(GB/T 14848-1993)Ⅴ类标准,其水质定类项目主要为氨氮、总大肠菌群、挥发性酚类、p H、亚硝酸盐和锰。地表水对地下水补给以及人类活动是造成研究区地下水污染的重要原因之一。

In order to investigate the groundwater in Shenzhen city, we used the methods of single index evaluation and comprehensive evaluation to analyses the water quality. The results showed the water quality of the 18 monitoring wells was V level（GB/T 14848-1993）. The main pollution indexes were amnion, total coliforms, volatile phenol, p H value, nitrite and manganese. Surface water recharge groundwater and human activities were one of the important causes of pollution of groundwater in the study area.