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E-Journal of Chemistry
Volume 7, Issue 3, Pages 908-914

An Investigation of the Quality of Underground Water at Eloor in Ernakulum District of Kerala, India

A. G. Umadevi,1 M. George,3 P. Dharmalingam,1 Jose P. Abraham,2 M. Rajagopalan,2 Dhanya Balakrishnan,2 P. P. Haridasan,4 and P. M. B. Pillai4

1PG and Research Department of Chemistry, Urummu Dhanalakshmi College, Tiruchirappali 620019, India
2Centre for Environmental & Radiological Sciences, Department of Physics, The Cochin College, Kochi-2, Kerala, India
3Department of Chemistry and Research Centre, Sacred Heart College, The vara, Kochi-13, Kerala, India
4Environmental Assessment Division, Bhabha Atomic Research Centre, Health Physics Unit, IREL, Udyogmandal, Kerala-683 501, India

Received 28 October 2009; Accepted 20 December 2009

Copyright © 2010 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The physical and chemical properties of groundwater in Eloor, an industrial region, have been investigated to evaluate the extent of pollution. The study area was divided into four zones and a total of 40 water samples from different locations were collected, analyzed and correlation analysis has been carried out among the measured parameters. A comparison of the observed parameters with the limits prescribed by BIS revealed that in some area pH values are lower than the prescribed limit. The concentration of the major cations and anions were found to be significant. Magnesium and chloride exceed the desirable limit in some areas but less than the upper limit prescribed by BIS. Significant linear relationship was observed between pH, electrical conductivity, alkalinity, hardness, Ca2+, Mg2+ and chloride. The importance of these parameters in predicting the quality characteristics of groundwater is discussed.