There is spontaneous heating of coal in mining areas of coal fields. A systemic study on the physical-chemical characteristics of waters from 20 samples of non-fire and fire zone has been carried out to assess the impact of spontaneous heating of coal on the quality of water. A total of 11 water quality parameters were evaluated. The study reveals that in the coal seam fire area, the dissolved oxygen has depleted and the electric conductivity and total dissolved solids have increased beyond the limits in the water. Magnesium and sulphate were more than permissible limits of ISI. It was observed that the coal seam fire does not only damages valuable resources of nation, but it also degrade/deteriorate the quality of water, which can produce adverse effects on the inhabitants residing in and around fire zone area.
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