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Coal mining activities generates huge amount of effluent containing various pollutants. These pollutants are discharged into surrounding water body, thereby polluting it. Major pollutants from coal mining effluents are total suspended solids (TSS), total dissolved solids (TDS), hardness, heavy metals (Fe, Cr, Cd, Cu, Ni, Mn), sulphates, nitrates, phosphates, oil and grease, chloride. When discharged into the aquatic ecosystem, it affects the system. The effects can be also observed by measuring biological properties of aquatic ecosystem. Bina open cast coal mine discharges its ...