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California's Groundwater (Bulletin 118)
California’s Groundwater (Bulletin 118) is the State’s official publication on the occurrence and nature of groundwater in California. The latest version of the report,... -
California's Groundwater Update 2020 (Bulletin 118)
California's Groundwater Update 2020 (CalGW) is California's foremost technical publication on groundwater in the state of California. CalGW, formally known as Bulletin 118, is... -
i03 Groundwater Sustainability Agencies MapService
The passage of the Sustainable Groundwater Management Act (SGMA) in 2014 set forth a statewide framework to help protect groundwater resources over the long-term. SGMA requires... -
i03 Groundwater Sustainability Plan Areas MapService
The passage of the Sustainable Groundwater Management Act (SGMA) in 2014 set forth a statewide framework to help protect groundwater resources over the long-term. SGMA requires... -
Sustainable Groundwater Management Act (SGMA) Basin Prioritization
The following data and resources were used for the SGMA Basin Prioritization of California’s 515 groundwater basins and subbasins. The Department of Water Resources is mandated... -
Groundwater Basin Boundary Descriptions - Central Coast Region (3-XXX Basins)
This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easier, they have been... -
i08 B118 SGMA 2019 Basin Prioritization
This service displays the Sustainable Groundwater Management Act (SGMA) 2019 Basin Prioritization for California's 515 groundwater basins. The final results of SGMA 2019 Basin... -
i08 B118 CA GroundwaterBasins
The dataset is a feature class showing the boundaries of 515 groundwater basins and subbasins as defined by the California Department of Water Resources as last modified by the... -
Bulletin 118 Update 2003 - Basin Reports (formerly known as Basin Descriptions)
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,... -
Groundwater Basin Boundary Descriptions - Sacramento River Region (5-XXX Basins)
This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easier, they have been... -
Groundwater Basin Boundary Descriptions - Lahontan Region (6-XXX Basins)
This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easier, they have been... -
Groundwater Basin Boundary Descriptions - North Coast Region (1-XXX Basins)
This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easier, they have been... -
Groundwater Basin Boundary Descriptions - Colorado River Region (7-XXX Basins)
This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easier, they have been... -
Groundwater Basin Boundary Descriptions - San Diego Region (9-XXX Basins)
This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easier, they have been... -
Groundwater Basin Boundary Descriptions - South Coast Region (4-XXX Basins)
This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easier, they have been... -
Groundwater Basin Boundary Descriptions - Santa Ana Region (8-XXX Basins)
This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easier, they have been...
