San Joaquin Valley – East Contra Costa
Statistics
- Basin Name
- San Joaquin Valley – East Contra Costa
- Basin Number
- 5-022.19
- SGMA Basin Priority
- Medium
- Critically Overdrafted
- No
- Hydrologic Region Name
- San Joaquin River
- Counties
- Contra Costa
Basin Notes
2017: Multi-party MOU signed for governance of basin under SGMA
2019: Phase 2 draft priority: medium
2022: Groundwater Sustainability Plan (GSP) submitted to California Department of Water Resources (DWR)
2023: GSP approved by DWR
At-A-Glance
California Water Library Documents About This Basin
Replenishing Groundwater in the San Joaquin Valley: 2024 Update
Public Policy Institute of California (PPIC) | June 6th, 2024
Strategies to replenish groundwater basins—long used in some areas of the San Joaquin Valley—have increasingly come into focus as the region seeks to bring its overd
Groundwater sustainability and land subsidence in California’s Central Valley
Water (MDPI) | April 22nd, 2024
The Central Valley of California is one of the most prolific agricultural regions in the world. Agriculture is reliant on the conjunctive use of surface-water and groundw
CV-SALTS Groundwater Sustainability Plan Data Collection - Pilot Study Results
Central Valley Salinity Alternatives for Long-Term Sustainability (CV-SALTS) | February 1st, 2024
The purpose of Prioritization & Optimization (P&O) Study Task 5.3 (Information Extraction from Groundwater Sustainability Plans [GSP]) is to extract and organize relevan
Thousands of domestic and public supply wells face failure despite groundwater sustainability reform in California’s Central Valley
Nature Portfolio (Springer Nature) | September 8th, 2023
Statement of Findings regarding the Approval of the San Joaquin Valley - East Contra Costa Subbasin Groundwater Sustainability Plan
California Department of Water Resources (DWR) | July 27th, 2023
Comparing domestic and public-supply groundwater quality in the northern San Joaquin Valley, 2019—California GAMA Priority Basin Project
U.S. Geological Survey (USGS) | June 5th, 2023
Groundwater quality in the Northern San Joaquin Valley region of California was studied as part of California State Water Resources Control Board (SWRCB) Groundwater Ambi
Modeling the dynamic penetration depth of post-1950s water in unconfined aquifers using environmental tracers: Central Valley, California
Journal of Hydrology (Elsevier) | December 5th, 2022
The penetration depth of post-1950s recharge (D-1950) in aquifers is a marker that is frequently used to identify groundwater that is susceptible to anthropogenic contami
Subsurface water flux in California's Central Valley and its source watershed from space geodesy
American Geophysical Union (AGU) | September 29th, 2022
We combine measurements from Global Positioning System positioning and Gravity Recovery and Climate Experiment gravity to infer change in water components in Central Vall
East Contra Costa Subbasin Groundwater Sustainability Plan
East Contra Costa Groundwater Sustainability Agency | October 15th, 2021
On March 28, 2019, the state approved a subdivision of the Tracy Subbasin that separated the East Contra Costa portion (now called the ECC Subbasin) from the San Joaquin