Journal of Environment Pollution and Human Health
ISSN (Print): 2334-3397 ISSN (Online): 2334-3494 Website: Editor-in-chief: Dibyendu Banerjee
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Journal of Environment Pollution and Human Health. 2020, 8(2), 49-54
DOI: 10.12691/jephh-8-2-2
Open AccessArticle

Spatial Variation of Rainwater Quality Parameters at Khulna City of Bangladesh

A. H. M. Shofiul Islam Molla Jamal1, , Shamim Ahmed1, Shakila Akter1, Aynun Nahar1, Rokaia Sultana1, Md. Ripaj Uddin1, Tajnin jahan1, Shahnaz Sultana1 and Mehedi Hasan1

1Institute of National Analytical Research and Service (INARS), Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhanmondi, Dhaka-1205, Bangladesh

Pub. Date: May 14, 2020

Cite this paper:
A. H. M. Shofiul Islam Molla Jamal, Shamim Ahmed, Shakila Akter, Aynun Nahar, Rokaia Sultana, Md. Ripaj Uddin, Tajnin jahan, Shahnaz Sultana and Mehedi Hasan. Spatial Variation of Rainwater Quality Parameters at Khulna City of Bangladesh. Journal of Environment Pollution and Human Health. 2020; 8(2):49-54. doi: 10.12691/jephh-8-2-2


In the present study, rainwater samples were collected from the Khulna city of Bangladesh during pre-monsoon season (March-May) and monsoon season (June-October) with standard rainwater collection instruments in the year 2017 to 2019 to evaluate their physical and chemical quality parameters properties. The following water quality parameters were determined: pH, EC, TDS, DO, alkalinity, acidity, hardness, Ca2+, Mg2+, SO42-, NO32-, Cl- and heavy metals. This study revealed that rain water quality was within the permissible drinking water standards limits prescribed by Environment Conservation Rule (ECR, 1997) of Bangladesh. Metal ions (As, Cd, Cr, Pd and Hg) were found in below the detection limit (BDL) of AAS for these collected rainwater samples. Rainwater quality during monsoon season was better than that of pre-monsoon season in Khulna city due to particle of dusts in the air. Atmospheric suspended particulate matter (SPM) including PM10 might be contributed some parameters; EC TSD, Ca2+, Mg2+, SO42-, NO32 and pH may be slightly changed due to present gaseous components (CO2, SO2 and NO2). If rainwater is properly harvested that will be a safe, cost effective and alternative to provide an access to safe drinking water in the saline coastal region of Khulna area.

rainwater salinity heavy metals water quality physicochemical properties

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