Flying the foothills to fill groundwater data gaps
Groundwater managers across the Central Valley striving to attain sustainability for underground aquifers are largely operating without a map. California’s 2014 Sustainable Groundwater Management Act requires managers to attain groundwater sustainability by 2042. However, critical knowledge is lacking on where water flows from the Sierra Nevada Mountains to recharge water supplies underground, and where there are sites that could be used to enhance the recharge…