Data shows groundwater recharge in the region has declined by 1.1 MAF since 2000; storage remains at unhealthy levels At the October meeting of Metropolitan’s Water Planning and Stewardship Committee, Senior Engineer Matt Hacker updated the committee members on regional groundwater conditions, including groundwater production, recharge, and storage conditions. There are 88 groundwater basins and subbasins within the Metropolitan service area.  Groundwater provides over 1/3rd of the region’s water supplies.  89% of the basins within the Metropolitan service area either … Continue reading METROPOLITAN WATER DISTRICT: Update on Southern California regional groundwater conditions