International Research journal of Management Science and Technology

  ISSN 2250 - 1959 (online) ISSN 2348 - 9367 (Print) New DOI : 10.32804/IRJMST

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GEOGRAPHICAL ANALYSIS OF FLUORIDE CONTAMINATION OF GROUND WATER: A CASE STUDY OF RAIPUR BLOCK OF BANKURA DISTRICT, WEST BENGAL, INDIA.

    1 Author(s):  ULFAT KHAN

Vol -  5, Issue- 11 ,         Page(s) : 93 - 102  (2014 ) DOI : https://doi.org/10.32804/IRJMST

Abstract

ABSTRACT Ground water of Bankura District is well known for its fluoride content in recent time. People from many of the villages have been marked with fluorosis from consuming fluoride contaminated groundwater as only 10% people are fed with PHE water supply scheme. People of the area are compelled to use ground water for drinking purpose. Geologically the area is principally underlain by Precambrian Metamorphic rock like granitic gneisses. These rocks have fluoride-bearing minerals like fluorite and apatite. Fluoride ions from these minerals leach into the ground water and contribute high fluoride concentration. Total 18 th water samples of well and tube well taken from 10 th fluoride concentrated villages of Raipur block, have been tested and the results are statistically analyzed. Highest fluoride concentration range is 6.719 mg/l in case of Raipur G.P. with an average of 4.912 mg/l and lowest fluoride concentration range is 0.693 mg/l in case of Fulkusma G.P. with an average of1.926 mg/l and the standard deviation of all samples is 1.575. Health impacts like dental fluorosis, skeletal fluorosis are found in many villages. Removal of fluoride from drinking water and supply of clean fluoride free water is urgent necessity.

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