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Hydro-Chemical Analysis of Groundwater Quality for Irrigation of Mehsana District, Gujarat State, India

Journal: International Journal of Science and Research (IJSR) (Vol.4, No. 2)

Publication Date:

Authors : ; ;

Page : 1841-1846

Keywords : Irrigation; Mehsana; sodium adsorption ratio SAR; residual sodium carbonate RSC; Kellys Ratio; USSL Diagram;

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Groundwater quality with reference to irrigation purpose in Mehsana district of Gujarat state is a baseline study for water scared region which covers around 1, 81, 698 hectare irrigation area. The present study is concerned to all nine tehsils (blocks) by assessing the groundwater quality extracting from the tube-well. In order to evaluate the quality of groundwater in study area, 26 groundwater samples were collected and analyzed for various parameters. Physical and chemical parameters of groundwater namely electrical conductivity, PH, total dissolved solids, Na, K, Ca, Mg, Cl, HCO3, CO3, SO4, NO3, NH3, PO4, Fe, F were determined. Chemical indices like percentage of sodium, EC, sodium adsorption ratio (SAR), residual sodium carbonate (RSC), permeability index (PI), kellys ratio, Mg Hazards were calculated. Statistical analysis reveals that nearly 30 % water is suitable for irrigation purpose in the study area. As per the USSL Diagram showing the salinity hazard, most part of water samples falls under high salinity medium to high alkalinity, which indicates seriousness of the groundwater quality.

Last modified: 2021-06-30 21:22:46