Physico-chemical studies on ground water qualities of some areas of Imphal East district of Manipur during post-monsoon-3rd phase
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Fifteen ground water samples (S-1 to S-15) were collected from different locations (sites) of Imphal East district of Manipur during post-monsoon of 2014. They were analyzed for various physico-chemical parameters such as temperature, pH, TDS (total dissolved solids), electrical conductivity (EC), total alkalinity (TA) (and hence CO32- and HCO3-), total hardness(TH), Ca2+, Mg2+, Na+, K+ and Cl−. In case of S-1 (Keirao Khunou(1), near paddy field), most of the parameters have their values far above the acceptable limits of BIS standard for drinking water and hence it is unfit for drinking and other domestic purposes. But, the ground waters (S-2 to S-15) are fit for drinking and other domestic purposes in absence of alternate sources. However, some suitable treatments are necessary so as to keep the values of total alkalinity (for S-2 to S-15), total hardness (for S-2 to S-6, S-8 to S-9, S-12 and S-15) and Mg2+ (for S-1, S-4 and S-6) below the acceptable limits of BIS standard for drinking water. Again ground waters (S-1 to S-15) are found to be fit for irrigation purpose. Further, correlation co-efficient data indicate the presence of NaCl and KCl salts in such ground waters and high values of TDS are mainly due to presence of NaCl and KCl.
Physico-chemical parameters, post-monsoon, drinking, irrigation, BIS and correlation co-efficient.