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California's Groundwater Semi-Annual Conditions Updates

Published by California Department of Water Resources | State of California | Catalog Last Checked: November 28, 2025 at 07:18 PM | Dataset Last Updated: November 18, 2025 at 08:25 PM
Semi-annual Conditions Updates are more frequent supplements to the comprehensive 5-year CalGW Updates, and also provide additional perspective on the near-real-time data availability through CalGW Live. The semi-annual reports cover statewide groundwater elevation data changes and trends, subsidence data, well infrastructure updates, and a discussion of current concerns such as drought conditions.

Resources

13 resources available

  • Spring 2023 - California’s Groundwater Conditions, Semi-Annual Update

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  • Fall 2023 - California’s Groundwater Conditions, Semi-Annual Update

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  • Fall 2022 - California’s Groundwater Conditions, Semi-Annual Update

    PDF
  • Fall 2024 - California’s Groundwater Conditions: Semi-Annual Update

    PDF
  • Spring 2024 - California’s Groundwater Conditions, Semi-Annual Update

    PDF
  • Fall 2025 - California’s Groundwater Conditions, Semi-Annual Update

    PDF
  • Spring 2025 - California’s Groundwater Conditions, Semi-Annual Update

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  • Spring 2017 Groundwater Level Data Summary

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  • Spring 2022 - California’s Groundwater Conditions, Semi-Annual Update

    PDF
  • Spring 2019 Groundwater Level Data Summary

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  • Spring 2020 Groundwater Level Data Summary

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  • Spring 2021 Groundwater Level Data Summary

    PDF
  • Water Year 2017 - What a Difference a Year Makes

    PDF

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