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Original Article



Assessment of Water Quality of Bhabadah Water-logging Area of Khulna Division

Md. Taslim Hossain, Md. Arifur Rahman, Kamrun Nahar, K. M. Mohiuddin.




Abstract

Surface water is one of the most important natural resources for irrigation and drinking purposes which has direct and indirect influence on human, livestock, aquatic organisms, soils, crop and agro-ecosystem. An attempt was made to assess the quality of surface water collected from three Upazilas of Bhabadah water-logging area of Khulna Division, Bangladesh for irrigation and drinking usage. Total 40 surface water samples were collected from the study area. All the chemical analyses of water quality were done following standard methods. The pH value of the water samples was within admissible range which was not problematic for irrigation and drinking usage. Electrical conductivity (EC) values were within the range of 461.0 to 2910.0 µS cm-1. As regards to Sodium Adsorption Ratio (SAR), all the surface water samples were excellent class for irrigation usage. Based on Soluble Sodium Percentage (SSP), 35 samples were classified as excellent (SSP Ca2+ > Mg2+ > SO42- > Na+ > PO43- > HCO3- > K+. Contaminants present in surface water samples might be ignored and after some chemical treatment, it could be used for irrigation and drinking purpose.

Key words: Physico-chemical properties, Bhabadah, irrigation and drinking usage






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