North Coast

The North Coast region spans over 19,000 square miles and is quite diverse, from coastal areas and redwood forests to inland mountain valleys and the semi-arid Modoc Plateau. Land use is similarly diverse including aquaculture, ranching, farming, timber harvesting, vineyards, marijuana cultivation, US Forest Service lands, and parklands. The climate varies from high precipitation along the coastal areas to desert conditions in the Modoc Plateau. Several tribes live in the region, including the Yurok Tribe, the state’s largest.

California's Groundwater Conditions Semi-Annual Update: March 2023

California Department of Water Resources (DWR) | March 15th, 2023

Summary

These updates are part of the informational resources associated with DWR’s California’s Groundwater (Bulletin 118). This report uses groundwater data received electr

California's Groundwater Conditions: Semi Annual Update May 2024, Spring Bulletin 118

California Department of Water Resources (DWR) | May 6th, 2024

Summary

In WY 2023, increased surface water supply led to a significant reduction in statewide groundwater extraction, amounting to a total annual extraction of 9.5 million acre-

California's Groundwater Conditions: Semi-Annual Update May 2025

California Department of Water Resources (DWR) | June 24th, 2025

Summary

This semi-annual report presents data received by DWR as of April 2025 and reflects the impacts of a few wet years after a drought period. However, it should be noted tha

California's Groundwater Update 2025 (Bulletin 118)

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

Summary

California’s Groundwater: Bulletin 118 — Update 2025 (CalGW Update 2025) is a compendium of statewide data and information on the occurrence, nature, use, and conditi

California's Rivers and Streams

Public Policy Institute of California (PPIC) | January 26th, 2026

Summary

California's Water Supply Strategy: Adapting to a Hotter, Drier Future

California Department of Water Resources (DWR) | August 16th, 2022

Summary

California's Water–Energy Relationship

California Energy Commission (CEC) | November 1st, 2005

Summary

This report examines the dynamic give-and-take relationship between California’s water and energy resources. Among many other issues, this staff report examines the s

California’s Coast and Ocean Summary Report

California Energy Commission (CEC) | August 27th, 2018

Summary

This report synthesizes current scientific understanding about the impacts of climate change on California’s coast and ocean and presents a forward-looking summary of

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

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