In Hopeful Sign for Ecosystem, California Groundwater Reserves Increase for First Time Since 2019

California’s vital groundwater reserves grew by a record 8.7 million acre-feet — twice the volume of giant Shasta Lake — in the official water year ended Sept. 30, the Department of Water Resources reported this week.

2023 Water Year Was 8th Wettest of Past Five Decades, California Department of Water Resources Says

California groundwater storage increased by roughly 8.7 million acre-feet in the 2023 water year, the California Department of Water Resources (DWR) said. The department said that it was the 8th wettest water year in 50 years and the groundwater storage increase was the first since 2019.