After years of pervasive declines, groundwater levels rose significantly in much of California last year, boosted by historic wet weather and the state’s expanding efforts to replenish depleted aquifers. The state’s aquifers gained an estimated 8.7 million acre-feet of groundwater — nearly double the total storage capacity of Shasta Lake — during the 2023 water year that ended Sept. 30, according to newly compiled data from the California Department of Water Resources. A large portion of the... Read this story