4 The use day Unit DWLR CRMN role NWIC WIMS time depth quality devices changes Purpose 6 inches Diameter borehole Distance insights Pizometer threshold Tamil Nadu Puducherry Compliance Regulations installation data sharing hydrogeology water levels Construction Pumping Wells dissemination 10,000 liters coastal tracts central server ground surface recharge rates Union Territory CGWB Guidelines allegianceindia high frequencies government norms Aquifer Behavior specialized well special attention Regulatory bodies civil engineering seawater intrusion web-based platform seasonal variations valuable information Allegiance Enterprise groundwater withdrawal groundwater monitoring Regular data recording groundwater extraction ground water conditions environmental monitoring water resource management Central Ground Water Board National Hydrology Project six-hourly water level data Allegiance Water Management Telemetry Systems piezometers Digital Water Level Recorders groundwater management strategies National Water Informatics Centre Water Information Management System Climate Response Monitoring Network