San Joaquin Valley – Tule



Located in California’s Tulare Lake hydrologic region, the San Joaquin Valley – Tule is 477,646 acres in size. This High priority basin is home to an estimated 109,471 people (2010 value), which have been at a rate of 37.53. San Joaquin Valley – Tule is a(n) basin with approximately 3396 wells, of which approximately 154 are water supply wells. Groundwater accounts for approximately 90.37 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. Comments: Critical aquifer overdraft conditions in basin. High nitrate and TDS in some locations and some inorganic contamination issues.

2016Basin boundary modification accepted with San Joaquin Valley – Kern subbasin 5-022.14 Revised basin boundary description

2018: Draft priority – high. Groundwater level and subsidence comments:

2018: Final Basin Prioritization: Basin Priority remains unchanged at high priority.

2020: January 16:  Coordination agreement between multiple Groundwater Sustainability Agencies (GSAS) producing multiple Groundwater Sustainability Plans (GSPS) for Tule Subbasin published Tule Subbasin GSAs Groundwater Sustainability Plans:

2022: January – DWR deems the collective GSA’s GSP, “the plan,”  to be incomplete. Shortcomings cited include failure to define undesirable results, set minimum thresholds, or comply with GSP regulations. GSAs given 180 days to submit revised plans.

July 27 – Pixley,  Eastern Tule GSAs submit revised GSPs



GSA Information