ground water aquifer recharge recharge pit rain water catchments ground water recharge groundwater quality runoff water Recharge well Aquifer Rejuvenation Design Consulraties Observation wells RWH Borewell injection Well Percolation Well CGWB wells aquifers cisterns boreholes reservoirs Collection Percolation allegianceindia groundwater table Storage Containers Sustainable Solution Allegiance Enterprises Allegiance Water Management sustainable water management Water Conservation Rainwater harvesting