Volume 12, Issue 3 (12-2019)                   ijhe 2019, 12(3): 477-488 | Back to browse issues page

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Abolli S, Alimohammadi M, Zamanzadeh M, Yaghmaeian K, Yunesian M, Hadi M et al . Survey of drinking water quality of household water treatment and public distribution network in Garmsar city, under the control of water safety plan. ijhe. 2019; 12 (3) :477-488
URL: http://ijhe.tums.ac.ir/article-1-6234-en.html
1- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
2- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran , m_alimohammadi@tums.ac.ir
3- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran AND Center for Solid Waste Research, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
4- Department of Research Methodology and Data Analysis, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran AND Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Scien
5- Center for Water Quality Research, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
Abstract:   (1412 Views)
Background and Objective: Surface water and underground water quality in countries that facing dehydration have increased the interest of the community to use Household Water Treatment devices. The aim of this study was the evaluation of the quality of drinking water of Household Water Treatment devices and general distribution network in Garmsar, which is under the control of the water safety plan.
Materials and Methods: A descriptive cross-sectional study administered in 6 regions and 41 cities of Garmsar city in spring and summer seasons in 2018. Chemical tests performed according to the standard methods for the examination of water and wastewater, general measurements were performed using the multi-tube fermentation method and counting of heterotrophic bacteria by pour plate method. The results analyzed by using Excel and SPSS software.
Results: The average values during two seasons were reported as: EC= 1507 (μS/cm), TDS= 786.8 (mg/L), F= 0.048 (mg/L), residual free chlorine= 0.67 (mg/L), pH=7.9, total coliform= 0.16 (MPN/100 mL), fecal coliform= 0.14 (MPN/100 mL) and HPC= 112 (CFU/mL). No significant difference found between the chemical and microbial parameters in the general distribution network and the output of the Household Water Treatment devices during the two seasons.
Conclusion: Household water treatment devices did not affect the microbial burden but caused a change in the amounts of some chemical parameters. Drinking water from the distribution network, with the proper application of the water safety plan, is of good quality.
 
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Type of Study: Research | Subject: WATER
Received: 2019/04/14 | Accepted: 2019/09/4 | Published: 2019/12/21

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