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California's Groundwater: Bulletin 118 - Update 2025 Full Report (Chapters 1 – 7)

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Published by:
California Department of Water Resources
Last updated:
March 20, 2026
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Description:

This PDF includes the full CalGW Update 2025 statewide report, including Chapters 1 – 7. Chapters 1 – 6 provide a detailed report on the current state of knowledge of groundwater resources in California, and Chapter 7 includes groundwater and groundwater-related information for each of California's 10 hydrologic regions.

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