Impact of coal mining on ponds of Jharia town, Dhanbad, Jharkhand

The geochemistry of ponds was studies around Jharia coal mining area. The high concentrations of cations and anions revealed the enrichment of pollution and thick population of E.coli bacteria. The pond waters are alkaline at all sampling sites and control the weathering pattern and availability of dissolved solids in Jharia pond water. The cations and anions were greater than WHO limits and posing risk to local inhabitants in this region.