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:: Volume 3, Issue 1 (spring 2017) ::
3 2017, 3(1): 48-58 Back to browse issues page
Evaluation of Water Quality Index (WQI) of Groundwater Supplies in Kerman Province in 2015
F Eslami, R Shokoohi, S Mazloomi, M Darvish Motevalli, M Salari
Abstract:   (2211 Views)
Background & objectives: The quantitative and qualitative characteristics of groundwater are influenced by human activities, natural processes and overuse of groundwater supplies. Since water quality index (WQI) is one of the best indices for evaluation and supervision of water quality of groundwater supplies, this index was used to survey groundwater supplies quality in Kerman province.
Methods: This cross-sectional study was carried out to survey quality index of WQI in groundwater sources in Kerman province in 2015. WQI values were calculated using data obtained from ongoing project of Water Resources Development Company on monitoring pH, chloride, sulfate, alkalinity, total hardness, TDS, and sodium.
Results: The minimum and maximum values for WQI index were obtained as 48 and 133, respectively. Based on the WQI index water quality was in the poor region at most of the studied areas. On average, 22.7, 45.5, 22.7, and 9.1 percent of the areas have good, poor, very poor, and non-potable quality, respectively. pH had the largest effect on WQI index followed by chloride, sodium, hardness, and alkalinity. 
Conclusion: Most of the studied areas have poor water quality based on the WQI index; therefore, water should be treated for drinking purposes. Since the parameters i.e. pH, hardness, alkalinity, and salinity highly affect WQI index; treatment processes and control measures should be taken to eliminate influence of these parameters.
Keywords: Water Resources, Water Quality Index, Water Treatment.
Full-Text [PDF 294 kb]   (4440 Downloads)    
Type of Study: Research | Subject: General
Received: 2017/11/25 | Accepted: 2017/11/25 | Published: 2017/11/25
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Eslami F, Shokoohi R, Mazloomi S, Darvish Motevalli M, Salari M. Evaluation of Water Quality Index (WQI) of Groundwater Supplies in Kerman Province in 2015. 3. 2017; 3 (1) :48-58
URL: http://oeh.arums.ac.ir/article-1-122-en.html

Volume 3, Issue 1 (spring 2017) Back to browse issues page
فصلنامه سلامت محیط و کار Occupational and Environmental Health
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