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On June 3, 2025, 11:08:27 AM UTC, Gravatar IDP Admin:
  • Updated description of CGWB - Changes in Depth to Water Level from

    Central Ground Water Board monitors groundwater levels throughout the country on a regional scale, four times in a year during the months of March/April/May, August, November and January. This data is collected under the mode of acquisition “Manual”. For monitoring of ground water level, CGWB has a dedicated network of about 25000 monitoring stations called “National Hydrograph Network Stations (NHNS)”, which comprises open dug wells and purpose-built bore/tube wells for water level monitoring called piezometers. Similarly, CGWB has initiated automatic high frequency monitoring by installing Digital Water Level Recorders (DWLR) with telemetry systems under the National Hydrology Project (NHP). This data is collected under the mode of acquisition “Telemetry”.
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    The Groundwater Level, sourced from the Ministry of Jal Shakti, offers a comprehensive view of groundwater levels across India. It includes manually collected data from monitoring wells, high-frequency telemetric readings, and long-term records observation wells dating back to 1969. The datasets enable spatial, temporal, and trend analysis of groundwater fluctuations, supporting research on aquifer health, water availability, and policy decisions for sustainable water management.