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Groundwater availability is worrisome for the Borrego Valley because water levels have decreased more than 100 feet in some areas of the basin. [8] The Borrego Valley Hydrologic Model was created to recreate historic conditions so that past movement and use of both surface and groundwater could be analyzed, in hopes of addressing what future ...
The USGS uses the data from borehole extensometers provided by the DWR, and also utilizes information from piezometers to track changes in groundwater. [11] As of 2018, the USGS has been using large hexagonal-shaped sensor rigged to a helicopter to measure groundwater salinity and map underground aquifers in the San Joaquin Valley.
[3] [4] As a result, investment into groundwater recharge basins has been steadily increasing in recent years. Groundwater projects are planned to provide an increase of 500,000 acre-feet annually to the water supply. [5] With 2023 being an extreme wet year, California achieved a record-setting 8.7 million acre-feet of groundwater to aquifers. [6]
Excessive groundwater pumping has long been depleting aquifers in California's Central Valley. Now, scientists say the depletion is accelerating.
The state saw 4.1 million acre-feet of managed groundwater recharge in the water year ending in September, and an 8.7 million acre-feet increase in groundwater storage, California’s Department ...
The Groundwater Ambient Monitoring and Assessment Program (GAMA) is an all-inclusive monitoring program for groundwater that was implemented in 2000 in California, United States. It was created by the California State Water Resources Control Board as an improvement from groundwater programs that were already in place.
Between 2022 and 2023, according to the new data, the nearly 100 groundwater basins and sub-basins tracked by the state logged 8.7 million acre-feet of total additional water.
California aquifers, excerpted from map in Ground Water Atlas of the United States (USGS, 2000): Lavender is "other" for "rocks that generally yield less than 10 gal/min to wells"; dark green-blue (3) are the California coastal basin aquifers, bright-turquoise blue (7) is the Central Valley aquifer system, flat cobalt-blue (1) down south is Basin and Range aquifers