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Bulletin 118 Update 2003 - Basin Reports (formerly known as Basin Descriptions)

Published by California Department of Water Resources | State of California | Metadata Last Checked: July 29, 2025 | Last Modified: 2021-10-28T16:48:17.700300
This dataset includes the basin reports for the 515 groundwater basins developed as part of Bulletin 118 Update 2003. The reports include descriptions of basin boundaries, summaries of the hydrologic and hydrogeologic setting, groundwater storage capacity and water budget, groundwater level and quality trends, well yields, basin management, and references.

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