South Coast

The 11,000 square-mile South Coast region is the most urbanized and populous region in the state, home to more than half the state’s population residing in just 7% of the state’s total land area. The region receives imported water supplies from the State Water Project, the Los Angeles Aqueduct, and the Colorado River Aqueduct which account for about half the region’s water demands; the remaining demands are met through groundwater, recycled water, and some desalinated water.

California’s First Farmer-Led Groundwater Market

Nature Conservancy | July 12th, 2018

Summary

Ventura County, located in California’s south coast, is one of United States’ most productive agricultural counties (ranked 10th in California and 11th in th

California’s Groundwater Conditions Semi-Annual Update: October 2022

California Department of Water Resources (DWR) | October 15th, 2022

Summary

This report is a semi-annual update of the annual Groundwater Conditions Report published in March 2022 and part of DWR’s California’s Groundwater (Bulletin 118). Wat

California’s Groundwater Conditions: Semi-Annual Update, October 2023, Fall Bulletin 118 Information Update

California Department of Water Resources (DWR) | October 12th, 2023

Summary

This semi-annual report presents data received by DWR as of August 31, 2023, and partially reflects the impacts of recent storms, flooding, and natural and managed aquife

California’s Groundwater: Bulletin 118 — Update 2025 Highlights

California Department of Water Resources (DWR) | October 20th, 2025

Summary

California’s Groundwater: Bulletin 118 — Update 2025 (CalGW Update 2025) serves as the most up-to-date and comprehensive compendium of statewide data and information

California’s Stream Flow Monitoring System Is Essential for Water Decision Making

University of California, Berkeley (UC Berkeley) | April 1st, 2018

Summary

With California’s drought risk, flood risk, and demand for water all increasing, effective monitoring is more important than ever to water decision making. Str

California’s Sustainable Groundwater Management Act and the Half-Exemption of Owens Valley Groundwater Basin

University of California, Los Angeles (UCLA) | May 1st, 2024

Summary

This Comment first uses historical accounts and secondary sources to describe the history of Owens Valley groundwater. It next describes the Governing Documents that curr

California’s Water Market, By the Numbers, Update 2021

Public Policy Institute of California (PPIC) | December 31st, 2021

Summary

This appendix serves as an update to the data on surface water trading and groundwater banking provided in the PPIC publication, California’s Water Market, By the Numb

California’s Water: The Colorado River

Public Policy Institute of California (PPIC) | October 1st, 2016

Summary

The Colorado River—a major water source for Southern California’s cities and farms—is shared among seven states and Mexico. Water use now outstrips supply. The

Californians Without Safe Water and Sanitation: California Water Plan Update 2013

California Department of Water Resources (DWR) | February 20th, 2015

Summary

This report was prepared as part of the California Water Plan Update 2013 process and is an update to the 2005 Californians without Safe Water report. It continues the d

CaliPopGen: A genetic and life history database for the fauna and flora of California

Nature Portfolio (Springer Nature) | July 5th, 2022

Summary

CaliPopGen is a database of population genetic data for native and naturalized eukaryotic species in California, USA. It summarizes the published literature (1985–2020)

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