清河中下游水环境质量状况分析及评价

利用铁岭市清河中下游水质近5年的监测数据,采用综合污染指数评价法,对清河中下游水环境质量状况进行综合评价分析,结果表明,清河中下游水环境质量基本符合《地表水环境质量标准》(GB 3838—2002)Ⅲ,Ⅳ类水质标准。得出的水质评价结论与实际的水环境质量状况相符合,该方法在河流水质评价中运用合理。

Based on the water quality monitoring data which collecting for five years on the middle and lower reaches ol Qinghe river, the paper adopts comprehensive pollution index evaluation method to take a comprehensive analysis of the water of the middle and lower reaches of Qinghe water. The result Indicates that the environmental quality of the middle and lower reaches of Qinghe river accords with m and IV level criteria of Surface Water Environment Quality Standard （GB 3838-2002）,and water quality evaluation conclusion consistent with the actual water environment quality. The method used in river water quality assessment is reasonable.