Major ion chemistry,weathering processes and water quality assessment in upper catchment of Damodar River basin,India |
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| Authors: | Abhay Kumar Singh G C Mondal Suresh Kumar T B Singh B K Tewary A Sinha |
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| Institution: | (1) Central Institute of Mining and Fuel Research, (Council of Scientific and Industrial Research), Barwa Road, Dhanbad, 826 001, India |
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| Abstract: | The chemical characteristics of surface, groundwater and mine water of the upper catchment of the Damodar River basin were
studied to evaluate the major ion chemistry, geochemical processes controlling water composition and suitability of water
for domestic, industrial and irrigation uses. Water samples from ponds, lakes, rivers, reservoirs and groundwater were collected
and analysed for pH, EC, TDS, F, Cl, HCO3, SO4, NO3, Ca, Mg, Na and K. In general, Ca, Na, Mg, HCO3 and Cl dominate, except in samples from mining areas which have higher concentration of SO4. Water chemistry of the area reflects continental weathering, aided by mining and other anthropogenic impacts. Limiting groundwater
use for domestic purposes are contents of TDS, F, Cl, SO4, NO3 and TH that exceed the desirable limits in water collected from mining and urban areas. The calculated values of SAR, RSC
and %Na indicate good to permissible use of water for irrigation. High salinity, %Na, Mg-hazard and RSC values at some sites
limit use for agricultural purposes. |
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| Keywords: | Major ion chemistry Damodar River basin Water quality SAR RSC Anthropogenic India |
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