Studies on physico-chemical parameters of underground mine water, OCP direct discharge water and sump water of Urimari, Sayal 'D' Block, Khas Karanpura area and Bhurkunda area of South Karanpura Coalfield of Central Coalfields Limited, a subsidiary of Coal India Limited were carried out in 2004-05 and 2005-06 in all the three seasons, namely summer, monsoon and winter. On analysis of the data it was found that the colour of the water samples were turbid, pH of these waters were slight alkaline ranging from 7 to 8.30, total dissolved solids varied between 29 and 262 mg/l, total suspended solids ranged between 20 and 1075 mg/L for river Damodar while for Nalkari river it was from 1480 to 3208 mg/L.