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目的掌握浙江省温州市鹿城区二次供水水质状况。方法全区12个街道每街道按“梅花点”确定5户家庭为采样点采取二次供水管网末梢水,进行18项卫生监测指标分析。检测方法:按GB/T5750-2006《生活饮用水卫生标准检验方法》,评价按CJ/T206-2005《城市供水水质标准》,游离性余氯按《国家生活饮用水卫生标准》(GB5749-2006)。结果2008年水质检测结果的合格率为80.4%。结论鹿城区二次供水水质主要不合格项为余氯、浊度、铁,总体合格率处于全国中等水平,提示水箱及水管出现老化现象及存在二次供水引发传染病的隐患,政府部门应引起高度重视。
Objective To understand the water quality of secondary water supply in Lucheng District, Wenzhou City, Zhejiang Province. Methods Twelve streets per street in the district were selected according to “Plum Blossom Spot” to select five families to take the secondary water supply pipe network for the sampling points, and 18 health monitoring indexes were analyzed. Test method: according to GB / T5750-2006 “drinking water health standard test method”, evaluation according to CJ / T206-2005 “urban water quality standards,” free residual chlorine according to “national drinking water health standards” (GB5749-2006 ). Results The passing rate of water quality test in 2008 was 80.4%. Conclusions The main substandard items of secondary water supply in Lucheng District are residual chlorine, turbidity and iron, and the overall pass rate is in the medium level in the whole country, suggesting that the water tank and its pipes are aging and there is a hidden danger of secondary water supply causing infectious diseases. Government departments should cause highly valued.