通过对陕北油区的走访和抽样调查,了解石油开采对水体的污染情况.调查结果显示,陕北大部分地区的水体污染程度较轻,可用于农作物的灌溉,仅少部分地区水体污染较重不能用于灌溉,采油污水都远远超过国家相关标准,必须经过处理方可排放.%The investigation was made to know the status of water bodies pollution during oil exploitation by interview and spot check in the Northern Region of Shaanxi.The results showed as follows:the most of water bodies were polluted lightly, which could be used for irrigation, while a few were polluted seriously and couldn't be used for irrigation. The indexes of oil wastewater were far exceeded the relevant national standard and the wastewater must be treated before discharge.
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