A PRELIMINARY STUDY ON SOIL AND WATER QUALITY OF MAKUM COALFIELD, ASSAM, INDIAN. NESA, P. AZAD AND G.U AHMEDAbstract The present study was undertaken to assess the impact of mining activities on quality of soil and water of Tipong, Tirap and Tikak Collieries of Makum Coalfield of Assam. The parameters like soil texture, water holding capacity (WHC), soil moisture content (SMC), pH, conductivity; available P, organic carbon, organic matter, total nitrogen were studied. The highest percentage of clay (10.61) and silt (11.36) in soil was observed in Tirap colliery while highest sand percentage (87.98) in soil was recorded in Tipong colliery. Highest water holding capacity (59.2%), soil moisture content (28.4%) and conductivity (1.03) in soil was recorded in Tipong colliery. The soil and water of Tipong, Tirap and Tikak Collieries of Makum Coalfield was found to be highly acidic in nature. Presence of low pH and reduced nutrient status such as available-phosphorus, nitrogen, organic carbon and matter in the soil confirmed heavy degradation of soil and water and are becoming a matter of serious concern for its adverse affect on the environment of the place.
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