Abstract
Thane is the third most industrialized district in the Maharashtra state. The area is characterized by hard water and high salinity hazard due to it’s proximity and hydraulic connection with the sea. Therefore an Attempt has been made to assess the physico-chemical Parameters of ground waters of Thane Region, Maharashtra during Oct. Nov. 2008. Statistical studies have been carried out by calculating correlation coefficient between different pairs of parameters and t-test applied for checking significance. The observed values of physico-chemical parameters of ground water samples were compared with standard values recommended by WHO. It is found that an appreciable significant positive correlation holds for electrical conductivity with Na, Cl- and T.D.S. total hardness with Ca and Mg, pH with C.O.D. T.D.S. with Na, Cl . Negative correlation was found between electrical conductivity and nitrate, with SO4 2and nitrate,Total hardness with C.O.D. All the physico-chemical parameters of ground water of Thane region are within the highest desirable limit or maximum permissible limit set by WHO, except chemical oxygen demand, total hardness and alkalinity values for most the ground water samples.
Highlights
Water is one of the materials required to sustain life
The standard and observed values of physico chemical parameters of ground water samples are presented in Table-2 & 3
Ground water samples G6, G10, G16, G19 contain T.D.S. more than maximum permissible limit set by WHO
Summary
Water is one of the materials required to sustain life. In India ponds, river water and ground water are used for domestic and agricultural purposes. The standard and observed values of physico chemical parameters of ground water samples are presented in Table-2 & 3. The observed values of pH ranging from 7.48 to 8.52 shows that ground water samples are slightly alkaline except G14 samples (PH 5.93).
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