San Joaquin Valley – Madera
Statistics
- Basin Name
- San Joaquin Valley – Madera
- Basin Number
- 5-022.06
- SGMA Basin Priority
- High
- Critically Overdrafted
- Yes
- Hydrologic Region Name
- San Joaquin River
- Counties
- Madera
Basin Notes
2003: Bulletin 118 basin description
2016: Basin boundary modification approved with Chowchilla 5-022.05 and Delta Mendota 5-022.07
At-A-Glance

California Water Library Documents About This Basin
CV-SALTS Preliminary Management Zone Proposal for Priority 2 Management Zones
Valley Water Collaborative | December 30th, 2024
The Nitrate Control Program is designed to achieve the following three management goals in the Central Valley Region: Goal 1 – Ensure a safe drinking water
Quantification of record-breaking subsidence in California’s San Joaquin Valley
Nature Portfolio (Springer Nature) | November 19th, 2024
CV-SALTS Groundwater Sustainability Plan Data Integration Report Integrated Scope of Work - Task 5.3 (Draft)
Central Valley Salinity Alternatives for Long-Term Sustainability (CV-SALTS) | June 20th, 2024
The purpose of Prioritization & Optimization (P&O) Study Task 5.3 (Information Extraction from Groundwater Sustainability Plans [GSP]) is to extract and organize
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
Status of Water Quality in Groundwater Resources Used for Drinking-Water Supply in the Southeastern San Joaquin Valley, 2013–15: California GAMA Priority Basin Project
U.S. Geological Survey (USGS) | April 25th, 2024
The California Groundwater Ambient Monitoring and Assessment Program Priority Basin Project (GAMA-PBP) investigated water quality of groundwater resources used for drinki
Multibenefit Land Repurposing Program Annual Report 2023
California Department of Conservation (CDoC) | April 9th, 2024
The Multibenefit Land Repurposing Program (MLRP) increases regional capacity for repurposing irrigated agricultural land to uses that reduce reliance on groundwat
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
Statement of Findings regarding the Approval of the San Joaquin Valley – Madera Subbasin Groundwater Sustainability Plan
California Department of Water Resources (DWR) | December 21st, 2023
New Stone Water District Revised Groundwater Sustainability Plan
New Stone Water District (NSWD) | March 20th, 2023
Root Creek Water District Groundwater Sustainability Plan
Root Creek Water District | March 20th, 2023
Gravelly Ford Water District Groundwater Sustainability Plan
Gravelly Ford Water District (GFWD) | March 19th, 2023
In 2022, the Technical representatives for the four GSPs representing the seven GSAs in the Madera Basin started meeting to revise the four GSP Plans to resolve deficienc
A simmering revolt against groundwater cutbacks in California
Stanford University | December 14th, 2022
In 2014, California legislators, focused on groundwater’s accelerating decline during a prolonged drought, passed the Sustainable Groundwater Management Act. Its impera
LandFlex Program’s Guidelines
California Department of Water Resources (DWR) | December 8th, 2022
LandFlex is a program that will provide $25 million in block grants to local government agencies to grant to farmers who limit agricultural water use. Local government ag
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
"Incomplete” Determination of the 2020 Groundwater Sustainability Plans Submitted for the San Joaquin Valley – Madera Subbasin
California Department of Water Resources (DWR) | September 22nd, 2022
The Department of Water Resources (Department) has evaluated the four groundwater sustainability plans (GSPs) submitted for the San Joaquin Valley – Madera Subbasin (Su
Gravelly Ford Water District Groundwater Sustainability Plan
Gravelly Ford Water District (GFWD) | June 28th, 2022
This Plan is for the Gravelly Ford Groundwater Sustainability Area, one of seven components of the Madera Subbasin. It encompasses approximately 8,500 acres; its boundari
Madera Subbasin Joint Groundwater Sustainability Plan
Madera Subbasin Coordination Committee | January 31st, 2022
The Madera Subbasin is identified by California Department of Water Resources (DWR) as a critically overdrafted basin. Therefore, the Madera Subbasin GSAs must develop,
Post-Drought Groundwater Storage Recovery in California's Central Valley
American Geophysical Union (AGU) | October 5th, 2021
California's Central Valley has experienced chronic groundwater depletion over the past few decades, the rate of which was amplified by droughts in 2007–2009 and 2012?
Critical Aquifer Overdraft Accelerates Degradation of Groundwater Quality in California's Central Valley During Drought
American Geophysical Union (AGU) | September 1st, 2021
It has been established that wells are at risk to run dry when groundwater levels decline during drought, but associated impacts to water quality are poorly understood.
The Well Fixer's Warning
The Atlantic | August 17th, 2021
The well fixer and I were standing at the edge of an almond orchard in the exhausted middle of California. It was late July, and so many wells on the farms of Madera Co