4.6 Article

Evaluation of water resources around Barapukuria coal mine industrial area, Dinajpur, Bangladesh

Journal

APPLIED WATER SCIENCE
Volume 4, Issue 3, Pages 203-222

Publisher

SPRINGER HEIDELBERG
DOI: 10.1007/s13201-014-0207-5

Keywords

Barapukuria coal mine; Quality of water; Livestock; Drinking and irrigation; Statistical correlation matrix; Environmental implication

Funding

  1. Ministry of Science and Technology, Government of Bangladesh, Dhaka [39.009.006.01.00.042.2012-2013/EAS-4/579]

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Water is a very important natural resource which can be utilized in renewable or non-renewable forms but before utilizing, the evaluation of the quality of this resource is crucial for a particular use. However, the problems of water quality are more severe in areas where the mining and mineral processes' industries are present. In mining processes, several classes of wastes are produced which may turn into ultimately the sources of water quality and environmental degradation. In consequences, the evaluations of water quality for livestock, drinking, irrigation purposes and environmental implications have been carried out around the Barapukuria Coal Mining Industry under different methods and techniques such as primarily the field investigation; secondly the laboratory chemical analysis and thirdly justified the suitability of the laboratory analysis with statistical representation and correlation matrix, Schoeller plot, Piper's Trilinear diagram, Expanded Durov diagram, Wilcox diagram, US salinity diagram, Doneen's chart and others. The results of all surface and ground water samples analysis show that the characteristics and concentrations of all the major physical and chemical parameters such as pH, EC, TDS, Na+, K+, Ca2+, Mg2+, Fe-total, Cl-, HCO3-, CO32- and SO42- are varied from one sample to other but well analogous with the WHO and EQS standard limit for all purposes in the area where the abundance of the major ions is as follows: Ca2+ > Na+ > Mg2+ > K+ > Fe-total = HCO3- > SO42- > Cl- > CO32-. The graphical exposition of analytical data demonstrates two major hydro-chemical facies for example: calcium-bicarbonate (Ca2+- HCO3-) and magnesium-bicarbonate (Mg2+- HCO3-) type facies which directly support the shallow recently recharged alkaline water around the industry. The calculated values for the evaluation classification of water based on TDS, Na%, EC, SAR, PI, RSC, MH, and TH replicate good to excellent use of water for livestock, drinking and irrigation activities except in some cases. For example, the high hardness in both water samples specifies the active hydraulic relation between surface and groundwater. Moreover, the statistical application and interpretation exhibit a good positive correlation among most of the water constituents which might be the indicator of having tightly grouped, precise homogeneous good-quality water resources around the mining industry. Finally from the environmental degradation point of view, it can be implied that there are no significant parameters or factors observed which are much badly effective on environment except very few cases. Thus, this research strongly recommends for monitoring the water quality in every 6 months or annually around this industry which might be positive for keeping the safe environment and healthy production of the coal mine.

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