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California's Groundwater Semi-Annual Conditions Updates

Published by California Department of Water Resources | State of California | Metadata Last Checked: November 28, 2025 | Last Modified: 2025-11-18T20:25:57.088979
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.

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