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| Analysis of the Results of Drinking Water Quality Test in Shuangluan Rural Area of Chengde from 2015 to 2018 |
| XIA Wenjuan, et al |
| Disease Prevention and Control center of Shuangluan District, Hebei Shuangluan District 067101, China |
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Abstract Objective: To understand the quality of drinking water in rural areas, to ensure the safety of drinking water for rural residents, and to provide scientific basisfor improving the quality of drinking water in rural areas, effective and reasonable advice and measures. Methods: 34 items of physical and chemical indexes and microbiological indexes of rural drinking water in dry season and wet season from 2015 to 2018 were tested in accordance with the national standard of the people's Republic of China GB / T 5750-2006, the national standard of the people's Republic of China GB / T 5749-2006, and the water was determined in accordance with the national standard of the people's Republic of China GB 5749-2006 The qualified rate and unqualified items of sample test results are analyzed and compared. Results: From 2015 to 2018, the qualified rate of rural drinking water quality in Shuangluan district has no significant difference (χ2=0.764, P >0.05). The qualified rate of water quality in low water period is higher than that in high water period (χ2=8.69, P<0.05). The unqualified indexes of microorganism are mainly the total number of colonies and total coliform bacteria, and the unqualified indexes of physical and chemical are mainly sulfate and nitrate (calculated by n ), fluoride, chroma, total hardness and sulfate. Conclusion: The testing pass rate of drinking water quality in rural areas is not high, mainly with the geological structure of the water source, the lack of effective protection measures around the water source, and the lack of disinfection measures for rural water sources. Related, the water quality of drinking water in rural areas should be given sufficient attention.
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2019, Vol. 25 
