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Back to browse issues page JRUMS 2017, 16(1): 3-16
A Survey on Drinking Water Quality in Qazvin in 2015
M. Panahi fard *, A. H. Mahvi, A. Asgari, S. Nazemi, M. Moradnia
Abstract:   (111 Views)

Background and Objective: Physical and chemical quality of water is necessary for consumer’s acceptance, health promotion, and guarding of water distribution systems. The aim of this study was to determine the physical and chemical quality of drinking water in Qazvin.

Material and Methods: This cross-sectional study was conducted in 2014-2015. During three seasons a total of 150 samples were collected from different points of water distribution. Then, water pH, turbidity, residual chlorine, EC (Electrical Conductivity), TDS (Total Dissolved Solis), nitrate, total hardness, alkalinity, and concentrations of Pb, Hg, Cd and Cr were measured. Heavy metals were measured by atomic absorption spectrophotometerand other parameters were analyzed based on the Standard Method book. ANOVA was used for comparing the mean values between seasons.

Results: The average values during three seasons were reported as the following: pH=7.47, turbidity=0.28±0.05 (NTU), residual chlorine =42±0.24 (mg/L), EC=623.46±48.99 (mS/cm), TDS = 499.52±49.92 (mg/L), nitrate =42.65±4.73 (mg/L), total hardness=148.33±1.4 (mg/L CaCo3), alkalinity=222.23±5.67 (mg/L CaCo3), and concentrations of Pb=0.008±0.0024 (mg/L), and Cr=0.031±0.002 (mg/L). The concentration of Hg and Cd were negligible in the total samples.

Conclusion: According to the obtained results, all the parameters were found to be within the permissible Iranian standards and the quality of Qazvin drinking water is safe for the consumers.

Key words: Drinking water, Water supply, Water quality, Pysicho-chemical, Qazvin

Funding: This study was funded by Tehran Universities of Medical Sciences, Iran.

Conflict of interest: None declared.

Ethical approval: This article does not need permission from the Ethics Committee.

How to cite this article: Panahi fard M, Mahvi AH., Asgari A, Nazemi S, Moradnia M. A Survey on Drinking Water Quality in Qazvin in 2015. J Rafsanjan Univ Med Sci 2017; 16(1): 3-16. [Farsi]

Keywords: Drinking water, Water supply, Water quality, Pysicho-chemical, Qazvin
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Type of Study: Research | Subject: Environmental Health
Received: 2016/09/3 | Accepted: 2017/02/27 | Published: 2017/05/1
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Panahi fard M, Mahvi A H, Asgari A, Nazemi S, Moradnia M. A Survey on Drinking Water Quality in Qazvin in 2015. JRUMS. 2017; 16 (1) :3-16
URL: http://journal.rums.ac.ir/article-1-3443-en.html
Back to browse issues page Volume 16, Number 1 (4-2017)
مجله علمی دانشگاه علوم پزشکی رفسنجان Journal of Rafsanjan University of Medical Sciences
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