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Author(s): Nandababu Singh Laishram


DOI: 10.5958/0974-4150.2016.00089.4   

Address: Nandababu Singh Laishram*
Post-Graduate Department of Chemistry, D.M. College of Science, Imphal-795001, Manipur, India
*Corresponding Author

Published In:   Volume - 9,      Issue - 12,     Year - 2016

Fifteen ground water samples (S-1 to S-15) were collected from 12 hand pumps and 3 dug wells of Imphal West district of Manipur during pre-monsoon period(May) of 2015. They were analyzed for physicochemical parameters such as temperature, pH, TDS (total dissolved solids), electrical conductivity (EC), total alkalinity (TA) (and hence and H ), total hardness (TH), Ca2+, Mg2+, Na+, K+ and Cl-. Ground waters represented by S-1,S-2,S-10,S-11 and S-13 to S-15 are found to be fit for drinking purpose from physicochemical analysis point of view. But TDS values for S-3 and S-4, total alkalinity values for S-3 to S-9 andS-12, total harness value for S-8, concentration of Mg2+ for S-8, and concentrations of Na+ for S-3and S-4 are above their corresponding acceptable limits but below the permissible limits of BIS standard for drinking water and threshold limit of WHO (in case of Na+). So, some suitable treatments are necessary so as to keep the values/concentrations of the above mentioned parameters below their corresponding acceptable limits/threshold limit of BIS standard for drinking water and that of WHO. However, ground waters represented by S-3 to S-9 and S-12 are fit for drinking in absence of alternate sources. All the ground waters (S-1 to S-15) are fit for other domestic and irrigation purposes. Further correlation coefficient data reveals that TA shows strong positive correlations withHCO3-,Na+ and Mg2+(r= 1, 0.892 and 0.649 respectively) but moderately strong positive correlation withCa2+(r=0.541) showing that the total alkalinity of such ground waters is due to the presence of NaHCO3, CaHCO3 and MgHCO3. Strong positive correlations of TH (total hardness) with Ca2+, Mg2+and HCO3-(r = 0.944 ,0.970 and 0.629 respectively) show that total hardness for these different ground waters, is due to the presence of CaHCO3 and MgHCO3.

Cite this article:
Nandababu Singh Laishram. Assessment of Ground Water qualities of some areas of Imphal West District of Manipur during Pre-Monsoon – 4th Phase. Asian J. Research Chem. 2016; 9(12): 649-654. doi: 10.5958/0974-4150.2016.00089.4

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