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789 datasets

i03 Local Maintenance Areas Flood Protection

Published by: California Department of Water Resources
Last updated: Tuesday, May 26, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Boundaries of various types of public agencies with responsibilities that include in part or primarily flood control, system maintenance, and improvem...

Fish Consumption Advisory Serving Recommendations

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Friday, March 6, 2026
File types: PDF, CSV

Summary of fish advisories that recommend how often you can safely eat fish caught from water bodies in California based on the level of chemical cont...

Significant Lands - School Lands

Published by: California State Lands Commission
Last updated: Friday, May 22, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

The State Lands Commission has prepared the Significant Lands Inventory (report) for the California Legislature as a general identification and classi...

i17 Delta Levees Centerlines 2007

Published by: California Department of Water Resources
Last updated: Tuesday, May 26, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

In the Delta Anatomy Mapping Project, all levee anatomies were delineated using slope grids built from available 2007 Delta LIDAR data points. LIDAR d...

i16 Census Tract DisadvantagedCommunities 2023

Published by: California Department of Water Resources
Last updated: Tuesday, May 26, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

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. Th...

i16 Census Tract EconomicallyDistressedAreas 2023

Published by: California Department of Water Resources
Last updated: Tuesday, May 26, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

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...

Adapting To Rising Tides Bay Area Sea Level Rise and Shoreline Analysis Maps

Published by: San Francisco Bay Conservation and Development Commission
Last updated: Thursday, May 21, 2026
File types: GDB

The regional flooding and shoreline overtopping analysis maps provided in the ART Bay Shoreline Flood Explorer website capture permanent and temporary...

Precocious Maturation in Spring-Run Chinook Salmon

Published by: California Department of Fish and Wildlife
Last updated: Tuesday, May 26, 2026
File types: XLSX, ZIP

Dataset contains Excel files for for water temperature duing chinook egg incubation, weight, fork length and condition factor of fry. Data is grouped...

DSM2 Input 2025-07-03 historical update

Published by: California Department of Water Resources
Last updated: Tuesday, May 26, 2026
File types: ZIP

DSM2 Version "DSM2 Input 2025-07-03 historical update" is based on "DSM2 Input 2025-05-28", and includes the following improvements: * Corrections ...

DWR's Basin Characterization Program

Published by: California Department of Water Resources
Last updated: Tuesday, May 26, 2026
File types: .ZIP, ZIP, FILE GEODATABASE, PDF

DWR has a long history of studying and characterizing California’s groundwater aquifers as a part of [California’s Groundwater (Bulletin 118)](https:/...