摘要
目的针对西安市雁塔区机井水的水质状况存在的问题，比较机井水与城市集中供水的水质质量，以加强对机井水用水企业单位的监管。方法收集西安市雁塔区2008、2009、2010年的水质检测报告156份，依据水源类型分为机井水（78份）和城市集中供水（78份），检测项目30项，采用SPSS13．0统计软件进行显著性统计分析。站果机井水中铁（1．78mg／L）、锰（0．33mg／L）、总硬度（672．25mg／L）、硫酸盐（110．68mg／L）、氯化物（134．23mg／L）、溶解性总固体（1279．00mg／L）、氟化物（1．06mg／L）、细菌总数（1．5×10^4CFU／mL）、大肠菌群（8MPN／100mL）的最高检测值高于国家生活引用水卫生标准；城市集中供水检测项目均符合国家生活引用水卫生标准；总硬度（t=12．09，P〈0．05）、硫酸盐（t=5．69，P〈0．05）、氯化物（t=9．043，P〈0．05）、溶解性总固体（t=10．57，P〈0．05）、氟化物（t=2．08，P=0．041〈O．05）、细菌总数（t=2．47，P=0．016〈0．05）、大肠菌群（t=2．20，P=0．031〈0．05）7项检测项目在机井水与城市供水组的水质上存在显著性差异。结论西安市雁塔区机井水的水质状况劣于城市集中供水，应切实加强对机井水用水企业单位的监管，加快城市集中供水的全区覆盖面。
Objective To investigate the water quality of pump wells and urban central water supply to strengthen supervision of business units for pump wells based on the problems of water quality between pump wells and urban central water supply in Yanta District of Xi＇an. Methods 156 cases of water quality test reports collected from Yanta District in 2008,2009 and 2010,were divided into the pump water group（ n = 78）and the urban central water supply group（n = 78）with 30 test items in each one. Satistical analysis were used SPSS13.0 statistical software for the significances of two groups. Results The highest contents of Fe（1.78 mg/L）,Mg（0.33 rag/L）, total hardness（672.25 mg/L）, sulfate （ 110.68 mg/L）, chloride（ 134.23 mg/ L）, total dissolved solids（ 1279.00 rag/ L）, fluoride（ 1.06 mg/L）, total number of bacteria（1500 CFU/mL） and coliform（8MPN/100 mL） were high than the national highest testing standards of drinking water for health life in China. The contents of all tested items in urban central water supply were conformed to the national standards of drinking water for health life in China. The contents of seven tested items as total hardness（ t = 12.09, P〈0.05）, sulfate（ t = 5.69, P〈0.05）, chloride （ t = 9.04, P〈0.05） ,total dissolved solids（ t = 10.57 ,P〈0.05） ,fluoride（ t= 2.08,P=0. 041〈0. 05） ,total bacteria（ t=2.47, P=0. 016〈0.05） ,coliform bacteria（ t = 2.20, P=0. 031〈0.05）in the pump water were significantly different with that in urban central water supply. Conclusion The quality of drinking water in pump wells of Yanta District, Xi＇an,were poorer than that in in urban central water supply. It is important, to improve the supervision and monitoring for the water quality of the pump wells in the business units,and to concentrate the covering region of urban central water supply.
出处
《国外医学（医学地理分册）》
CAS
2012年第1期43-45,共3页
Foreign Medical Sciences：Section of Medgeography
关键词
机井水
城市集中供水
西安市雁塔区
water from pump well
urban central water supply
Yanta District in Xi＇an
