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97 datasets

i03 dwr region offices

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Description for i03_DAU_county_cnty2018 is as follows:Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (*See metada...

Watershed Boundary Dataset (WBD)

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types: FILE GEODATABASE OR SHAPEFILE, ARCGIS GEOSERVICES REST API, WEBSITE, PDF

The Watershed Boundary Dataset (WBD) from USGS' The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landsca...

Stream Habitat Reach Summary - Russian River [ds77]

Published by: California Department of Fish and Wildlife
Last updated: Monday, April 6, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Results of in-stream habitat surveys (Downie et al 1998 method), summarized by stream reach, for DFG surveys conducted between 1994 and 2001 (inclusiv...

Sustainable Groundwater Management Act (SGMA) Water Year Type Dataset

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types: CSV, PDF

The following dataset has been developed to assist the Groundwater Sustainability Agencies (GSAs) in their water budget development per the Groundwate...

i08 C2VSimFG Boundary

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The boundary dataset covers the model domain of the C2VSimFG. The total area of the model domain is 20,742 square miles. It contains 32,537 elements, ...

Groundwater Trading

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types: PDF

The Water Resiliency Portfolio (2020) tasked the four State agencies to “create flexibility for GSAs to trade water within basins by enabling and ince...

i08 C2VSimFG Subregions

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The C2VSimFG model elements are grouped into 21 subregions to facilitate data entry and reporting of model results. The subregion can be further group...

Natural Communities Commonly Associated with Groundwater

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types: GDB, SHP, PDF

The Natural Communities dataset is a compilation of 48 publicly available State and federal agency datasets that map vegetation, wetlands, springs, an...

30x30 Ecoregions

Published by: California Natural Resources Agency
Last updated: Saturday, April 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This layer contains polygon features of Ecological Units for the state of California as described by ECOMAP (1993) "... mapped based on associati...

Regional Transportation Planning Agencies

Published by: Caltrans
Last updated: Monday, April 6, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The RTPA polygon feature class provides California Regional Transportation Planning Agencies (RTPA) legislative boundaries, primarily for regional pla...