Mitigation and Remedy of Groundwater Arsenic Menace in India
Mitigation and Remedy of Groundwater Arsenic Menace in India
Mitigation and Remedy of Groundwater Arsenic Menace in India
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<strong>Mitigation</strong> <strong>and</strong> <strong>Remedy</strong> <strong>of</strong> <strong>Groundwater</strong> <strong>Arsenic</strong> <strong>Menace</strong> <strong>in</strong> <strong>India</strong> : A Vision DocumentTable 2.6: Summary <strong>of</strong> groundwater arsenic contam<strong>in</strong>ation status <strong>in</strong> Uttar Pradesh, <strong>India</strong>(Chakraborti et. al. 2008a)Physical parametersUttar PradeshArea <strong>in</strong> sq. km. 238000Population4.Desri<strong>in</strong> million77741166No. 5.Sahdei <strong>of</strong> districts Bujurg surveyed 99459 so far3 (Ballia, Gazipur &12 Darbhanga 1.Biraul 233029Varanasi )13 Kishanganj <strong>Arsenic</strong> 1.Kishenganj affected area <strong>in</strong> sq. 185535 km. 103752.Bahadurganj 20588814 Purnea Total 1.Purnea population East <strong>in</strong> arsenic 349118 affected 3 districts (<strong>in</strong> million) 6Number 2.Kasba <strong>of</strong> arsenic affected 143784 districts where groundwater arsenic315 Lakhisarai >50µg/L 1.Lakhisarai 2616202.Pipariya 31020No. <strong>of</strong> blocks surveyed so far 10Total Population 10,471869Number <strong>of</strong> arsenic affected blocks where groundwater arsenic >10 µg/L 9Number <strong>of</strong> arsenic affected blocks where ground water arsenic >50 µg/L 7Total number <strong>of</strong> h<strong>and</strong> tube-well water samples analyzed 4780Number <strong>of</strong> arsenic affected blocks where groundwater arsenic >10 µg/L 45.48Number <strong>of</strong> arsenic affected blocks where ground water arsenic >50 µg/L 26.51% <strong>of</strong> h<strong>and</strong> tube-wells hav<strong>in</strong>g arsenic concentration >300 µg/L 10Maximum arsenic concentration so far we analyzed (µg/L ) 3192Number <strong>of</strong> arsenic affected villages with ground water arsenic>50µg/L69Number <strong>of</strong> arsenic affected villages with ground water arsenic>10µg/L100Population potentially at risk from arsenic contam<strong>in</strong>ation > 10 µg L -1 ( <strong>in</strong>million )3NIH & CGWB 37
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