Ground Water Resources of Nepal

50 feet acres agriculture aquifer artesian condition artesian zone Bagmati Bhabhar Zone Bhairahawa Bheri zone Biratnagar Birganj boulder zone canal Chemical Churia hills Churia range Clay climate coarse sand consists crop cusecs deposit depth drilling Dun valley Eastern Nepal erosion farmer feet thick forest GEOLOGICAL SECTION gravel ground water ground water development heavy hectare India Indo-Nepal border irrigation Janakpur Kalaiya Karnali Karnali River Kathmandu Valley Kosi Krishnanagar lakhs limited located Lumbini Zone Mahabharat range major rivers Malangwa maximum medium miles mountains nearly Nepalganj newer alluvium northern older alluvium pebble percent permeable phyllite plastic population power cost problem pumping quartzite rain water rainfall rainy season Rapti recharge reduced rocks sediments silt siltstone Siraha snow soil Southern flat sticky surface water tectonic valleys Terai area Terai plain transmissivity tube-well upto water irrigation water table Western Terai whereas yellow yellowish gray