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    StateCounty Land Use SurveysState of California — This is collection of DWR County Land Use Surveys. You may scroll the list below to download any individual survey of interest. Historic County Land Use Surveys...
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    Statei16 Census Place EconomicallyDistressedAreas 2023State of California — The IRWM web based EDA mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Counties feature class, and the 2023...
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    Statei16 Census Tract EconomicallyDistressedAreas 2023State of California — The IRWM web based EDA mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Tract feature class. The TIGER/Line...
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    StateSuisun Marsh Monitoring Program Channel Water Salinity ReportState of California — Monthly salinity reports for the Suisun Marsh from October through May of each year.
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    StateCalifornia's Groundwater Update 2020 (Bulletin 118)State of California — California's Groundwater Update 2020 (CalGW) is California's foremost technical publication on groundwater in the state of California. CalGW, formally known as...
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    StateSustainable Groundwater Management Act (SGMA) Basin PrioritizationState of California — 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...
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    StateDWR's Basin Characterization ProgramState of California — DWR has a long history of studying and characterizing California’s groundwater aquifers as a part of California’s Groundwater (Bulletin 118). California's Groundwater...
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    Statei02 Natural Communities Commonly Associated with Groundwater (NCCAG)State of California — The Natural Communities Commonly Associated with Groundwater (NCCAG) dataset is a compilation of phreatophytic vegetation, regularly flooded natural wetlands and...
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    Statei12 Canals and Aqueducts localState of California — Dataset represents centerlines of major water project canals that are managed by local area government agencies or entities. This dataset does not contain major State...
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    StateCIMIS Weather Station DataState of California — Weather Data collected by CIMIS automatic weather stations. The data is available in CSV format. Station data include measured parameters such as solar radiation, air...
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    Statei03 Groundwater Sustainability AgenciesState of California — 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....
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    Statei16 Census Place DisadvantagedCommunities 2023State of California — The IRWM web based DAC mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Place feature class. A Census Place is a...
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    StateGroundwater Basin Boundary Descriptions - San Francisco Region (2-XXX Basins)State of California — This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easier, they have...
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    StateDSM2 2022.01 Historical UpdateState of California — DSM2 historical data updated through December 31, 2021
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    StateDelta Modeling User Group NewslettersState of California — Newsletters for the DWR Delta Modeling User Group (DMUG)
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    StateBay-Delta SCHISM Processed BathymetryState of California — These datasets include processed Digital Elevation Models as used in important SCHISM studies, in particular the Delta Conveyance Project and 10 year retrospective....
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    State2011 and 2012 Georgiana Slough Non-Physical Barrier Performance Evaluation - GSNPB-12_Legacy_Reports v2State of California — DWR implemented a large-scale experimental testing program in 2011 and 2012 to assess the effectiveness of a non-physical barrier as a method for guiding downstream...
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    StateFinal State Water Project Delivery Capability Report 2023State of California — State Water Project Final Delivery Capability Report 2023
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    Statei16 Census County DisadvantagedCommunities 2023State of California — The IRWM web based DAC mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Counties feature class. The TIGER/Line...
