Statistical Analysis of Ground Water From Dharampur Taluka, Valsad District, (S. Guj.), India.
Keywords:WQI , Regression equation, Correlation coefficient, Dharampur Taluka, Groundwater
Water plays an essential role in human life. A report of statistical analysis of groundwater samples taken from Dharampur Taluka, Valsad District, (S. Guj.), India is presented here. Groundwater samples were collected from three sampling stations duringAugust 2008 to July 2009 and were analyzed by using standard methods. In the present investigation, parameters viz. pH, Colour, Electrical Conductance (EC), Total Hardness (TH), Calcium (Ca), Magnesium (Mg), Sodium (Na), Copper (Cu), Manganese (Mn), Fluoride (F), Chloride (Cl), Silica, Sulphate (SO4), Chemical Oxygen Demand (COD), Total Dissolved Solids (TDS)were determined. The results were compared with the Indian standard. Groundwater of the study area was classified according to Sodium Absorption Ratio (SAR). Observations indicated pH, Magnesium, Total alkalinity, TDS, Chloride, Sulphate, and Fluoride values to be within permissible limit. Systematic calculations of correlation coefficient ’r’ between water parameters and regression analysis provide useful mean for rapid monitoring of water quality. The results were used to calculate the water quality index (WQI) to draw conclusion about the suitability of the water for drinking and other domestic applications.
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