California has seen excellent groundwater recovery in the last year, according to a report last week from the California Department of Water Resources:

CADWR

But it’ll take more than a year to dig out of the hole left by the massive groundwater pumping of the last 6 years:

CADWR

From the report:

While images of filling reservoirs and rushing rivers seemed to be everywhere earlier this year, groundwater levels reflected the differing hydrologic conditions of individual groundwater basins. Although water levels in shallow basins may quickly show marked improvement, deeper, severely depleted groundwater basins may take years to recharge.