In a 1999 report, USGS researchers described the land subsidence in the San Joaquin ... Researchers have projected that large portions of the Central Valley’s irrigated cropland will need ...

The state wants water agencies to speed up the recharging process for aquifers, improve water quality and stop land subsidence. Valley farmers ... worked on the report for two years, said the Central ...

Using ancient hidden waterways to restore California’s aquifers and stop towns from sinking. USGS image of the maximum land subsidence in the Central Valley between 1925 and 1977 due to pumping of ...

Infrastructure damage such as with the aqueduct caused by accelerated land subsidence threatens the effectiveness of many dams and canals sourcing surface water to the Central Valley. Building ...