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  2. Groundwater recharge in California - Wikipedia

    en.wikipedia.org/wiki/Groundwater_Recharge_in...

    [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]

  3. South Coast hydrologic region - Wikipedia

    en.wikipedia.org/wiki/South_Coast_hydrologic_region

    Well yield (gpm) Maximum [4] Well yield (gpm) Average [4] Notes Upper Ojai Valley groundwater basin: 4-1 3,800 200 50 Ojai Valley groundwater basin: 4-2 Medium 6,830 600 383 Ventura River Valley groundwater Basin: 4-3 12,710 Santa Clara River Valley groundwater basin: 4-4 High Acton Valley groundwater basin: 4-5 8,270 1,000 140 Pleasant Valley ...

  4. List of aquifers in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_aquifers_in_the...

    Aquifers of the United States Withdrawal rates from the Ogallala Aquifer.. This is a list of some aquifers in the United States.. Map of major US aquifers by rock type. An aquifer is a geologic formation, a group of formations, or a part of a formation that contains sufficient saturated permeable material to yield significant quantities of water to groundwater wells and springs.

  5. Water in California - Wikipedia

    en.wikipedia.org/wiki/Water_in_California

    While the volume of groundwater in California is very large, aquifers can be over drafted when groundwater is removed more rapidly than it is replenished. In 1999, it was estimated that the average, annual overdrafting was around 2,200,000 acre-feet (2.7 km 3 ) across the state, with 800,000 acre-feet (0.99 km 3 ) in the Central Valley.

  6. Despite California groundwater law, aquifers keep dropping in ...

    www.aol.com/news/despite-california-groundwater...

    California passed its landmark groundwater law in 2014. The goals of sustainable management remain a long way off. Despite California groundwater law, aquifers keep dropping in a 'race to the bottom'

  7. Borrego Valley groundwater basin - Wikipedia

    en.wikipedia.org/wiki/Borrego_Valley_Groundwater...

    Borrego Valley Groundwater Basin, located in the very southern region of California, is one of the driest basins in the state.With climate change predicted to have strong effects into foreseeable future, the region is viewed with a skepticism in the sustainable use of water at current rates of consumption.

  8. California Aqueduct - Wikipedia

    en.wikipedia.org/wiki/California_Aqueduct

    During the 2011-2017 California drought, a record high drought, groundwater and its storage capabilities in the San Joaquin Valley saw a sharp decline. [26] From October 2011 to September 2015 measurements made on groundwater levels in the San Joaquin Valley's aquifers recorded a loss of 14 km 3 /year, a total of 56 km 3 . [ 26 ]

  9. List of largest reservoirs of California - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_reservoirs...

    Most large reservoirs in California are located in the central and northern portions of the state, especially along the large and flood-prone rivers of the Central Valley. Eleven reservoirs have a storage capacity greater than or equal to 1,000,000 acre-feet (1.2 km 3 ); all of these except one are in or on drainages that feed into the Central ...