San Joaquin Valley – Kern County

Source: CA DWR

San Joaquin Valley – Kern County



Located in California’s Tulare Lake hydrologic region, the San Joaquin Valley – Kern County is 1,813,631 acres in size. This High priority basin is home to an estimated 699,311 people (2010 value), which have been at a rate of 53.41. San Joaquin Valley – Kern County is a(n) basin with approximately 6174 wells, of which approximately 437 are water supply wells. Groundwater accounts for approximately 79.41 percent of the basin’s water supply.

Source: CA DWR
Source: CA DWR

Basin Notes

2003: Bulletin 118 basin description 

2014: CASGEM basin prioritization – high. Comment: Subsidence, overdraft, water quality degradation.  Agricultural importance, large basin, low population density

2016: Basin boundary modifications, approved for Pleasant Valley 5-022.10 and Tule 5-022.13 subbasins, with a Kern 5-022.14 subdivision denied

A new subbasin, White Wolf 5-022.18, was created from a portion of the original Kern County subbasin. The White Wolf subbasin is not subject to critical conditions of overdraft

Revised basin boundary description

2018: Basin draft priority – high. Groundwater level and subsidence comments:

Kern Water Bank in the press – Mother Jones, Bay Area News Group,, The California Sunday Magazine

GSA Information

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