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County Land Use Surveys
State 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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i16 Census Place EconomicallyDistressedAreas 2023
State 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... -
State
i16 Census Tract EconomicallyDistressedAreas 2023
State 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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Suisun Marsh Monitoring Program Channel Water Salinity Report
State of California —
Monthly salinity reports for the Suisun Marsh from October through May of each year. -
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i16 Census Tract DisadvantagedCommunities 2023
State 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 Tracts feature class. The TIGER/Line... -
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California'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... -
State
DWR's Basin Characterization Program
State 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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Sustainable Groundwater Management Act (SGMA) Basin Prioritization
State 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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i12 Canals and Aqueducts local
State 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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i03 Water Plan Planning Areas
State of California —
Description for i03_DAU_county_cnty2018 is as follows:Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (See metadata for CAL-FIRE... -
State
CIMIS Weather Station Data
State 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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Water Loss Audit Data From Urban Retail Water Suppliers (Superseded)
State of California —
September 2025 Note: This original 2019 data is superseded by a more recent data which captures newer submissions and resubmissions of older data reports. Link to new... -
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i03 Groundwater Sustainability Agencies
State 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.... -
State
i16 Census Place DisadvantagedCommunities 2023
State 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... -
State
Groundwater 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... -
State
DSM2 2022.01 Historical Update
State of California —
DSM2 historical data updated through December 31, 2021 -
State
Delta Modeling User Group Newsletters
State of California —
Newsletters for the DWR Delta Modeling User Group (DMUG) -
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Bay-Delta SCHISM Processed Bathymetry
State 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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2011 and 2012 Georgiana Slough Non-Physical Barrier Performance Evaluation - GSNPB-12_Legacy_Reports v2
State 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...