After a winter of historic rains, California’s reservoirs are filled to the brim. Rivers are supercharged—and have flooded much of the Central Valley. With the water came a deluge of news voicing worries that California is letting all that water wash into the sea after years of drought—and heralding the idea of capturing it to recharge our long-parched groundwater aquifers. The political will is strong: Gov. Gavin Newsom has issued three separate executive orders aimed at amping up recharge efforts.