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Groundwater Quality Assessment in hard rock terrain of Rasipuram Taluk, Namakkal District

By K.Ramesh and P.Pavithra

Abstract

Groundwater is of most important to rural development in many countries of the world. Over exploitation of\ud groundwater has become a major challenge not only to the present civilization and also for the future\ud generations. The main focus of this study is to assess the suitability of groundwater quality for drinking and\ud irrigation purposes in vicinity of Rasipuram block in Tamil Nadu. Groundwater samples from 15 locations were\ud collected from different wells during January 2015 and analyzed for different physico-chemical parameters. The\ud usefulness of these parameters in predicting groundwater quality characteristics were discussed. The quality of\ud groundwater in the study area is fresh to brackish water, moderately hard to very hard in nature. The piper plot\ud shows that the most of the groundwater samples fall in the field of Na+\ud -Cland\ud mixed Ca++\ud -Na+\ud -Cltype.\ud Water\ud quality index rating was carried out to quantify overall groundwater quality status of the area. The WQI for these\ud samples ranges from 37.34 to 650. Hence majority of the water samples are poor to very poor in water quality.\ud The area in general is characterized by hard water, hence is not suitable for drinking purpose. The samples\ud plotted in the piper and USSL diagram were used to understand the chemical characteristic of groundwater for\ud irrigation purposes. However, the values of SAR, Na% and RSC indicate that groundwater is suitable for\ud irrigation purposes. Overall water quality of the study area was found satisfactory for drinking purpose except in\ud few locations and suitable for irrigation purpose. Hence the local government needs to initiate remedial\ud measures

Topics: Physiochemical characteristics, WQI, suitability drinking and irrigation, Rasipuram taluk., Engineering (General). Civil engineering (General), TA1-2040, Technology, T
Publisher: International Journal of Engineering Research and Applications
Year: 2016
OAI identifier: oai:doaj.org/article:e08b74ae29d7498da7275b2021560f35
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