海口市2009～2010年自备井水质监测分析

Results of monitoring of water quality from homemade wells in Haikou City in 2009～2010

目的了解海口市自备井水质卫生状况,分析水质污染的原因并提出改进办法,以保障居民的用水安全。方法对海口市四个辖区内的自备井进行随机抽样。依照《生活饮用水检验规范》(2001)方法检验其水质情况,按《生活饮用水卫生标准》(GB 5749～2006)对其水质状况进行评价。结果 2009～2010年共检测414份自备井水,总合格率为66.43%(2009～2010年合格率分别为66.18%、66.67%)。感官性状指标合格率为89.86%,一般化学指标合格率为82.37%,毒理学指标合格率为99.03%,微生物指标合格率为84.06%。不合格指标主要是菌落总数、总大肠菌群、铁和锰,不合格的地区主要为琼山区和秀英区。结论海口市自备井水质主要问题是一般化学指标和微生物指标不合格,应该加强对全市自备井水源的防护和管理。

Abstract：Objective To analyzed the water quality of homemade wells in Haikou Cityy Wells of Haikou City and prevention of water pollution related diseases provide a theoretical basis. Mbjects and methods in four areas of Haikou City,Homemade Wells of water quality sampling,testing the water quality. The quality of the water was examined and evaluated based on ＂Standard for the Examination of Drinking Water＂and ＂Sanitary Standard for the Quality of Drinking Water＂ （GB 5749-2006）. Results 66.43% of the414 samples f tom homemade wells were up to the standard,89.86% were up to the standard by sense. Thequalified rate of chemical, toxicological and bacteriological index were82.37% ,99.03% and84.06% respectively. The index of iron, manganese,colony count, total eoliforms. The geographical distribution of test results from water quality to standard view is the main King Shan area and Xiuying District. Conclusions affect the water quality of health Haikou main factors and microbial indicators of general chemical indicators, should sengthen the protection of the city water from Homemade Wells and health management.