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The present study aims to assess and understand the chemical characteristics of groundwater and geochemical processes occurring within the aquifer systems around chromite-mineralized areas in India. The water samples are collected from 33 groundwater sources are analyzed for physicochemical properties as well as major ion concentrations such as Ca, Mg, Na, K, CO 3 , HCO3 , Cl, NO3 , F and SO 4 in pre and postmonsoon. Alkali metal ions (Na, K) and alkaline earth metal ions (Ca, Mg) data of groundwater showed high concentration of Ca during pre-monsoon where as high concentration of Na in post-monsoon than other cations. The major hydro chemical facies identified as CaHCO3 type of water is predominant during pre-monsoon whereas the CaHCO3 and mixed CaNaHCO3 type of water in postmonsoon. The classification based on the total hardness reveals that a majority of groundwater samples fall in the hard to very hard category during the pre-monsoon season that is unfit for drinking. Anions such as bicarbonate 85 % and nitrate 18 % of the sample locations in premonsoon are exceed the WHO permissible limits, while during postmonsoon concentrations of bicarbonate decreased (70 %), nitrate increased (27 %). The suitability of water for irrigation by analyzing salinity hazard indicated by sodium adsorption ratio (SAR) and residual sodium carbonate (RSC). US Salinity diagram showed the majority of samples ([50 %) fall in the field of C3-S1, indicating water of high salinity and low sodium, which can be used for irrigation in almost all types of soils with attention.

RETRACTED ARTICLE: Hydrogeochemistry and quality assessment of groundwater around chromite-mineralized areas in India