Considering the extent of pollution and the rapid rate of depletion in both the quality and quantity of surface water, man has put his eyes on the groundwater for safe and immediate consumption.

The present study spanning over two consecutive years (Oct 2007-2008) was conducted to assess the impact of Durga-idol immersion in the river Bramhani at Rourkela. Idol immersion and its impact on the water quality were studied by considering the magnitude of the environmental problems associated with the Durga-idol immersion.