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472 datasets

BOE CityAnx2025 FINAL

Published by: California Department of Tax and Fee Administration
Last updated: Tuesday, May 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This map is a compilation of the final set of city and county boundary changes filed with the California State Board of Equalization in accordance wit...

i08 B118 CA GroundwaterBasins

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The dataset is a feature class showing the boundaries of 515 groundwater basins and subbasins as defined by the California Department of Water Resourc...

CA Urban Retail Water System Water Loss Annual Loss Audit Data

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: CSV

This dataset contains annual validated water loss audit reports submitted to the Department of Water Resources by California urban retail water suppli...

Bear Hunt Areas [ds2807]

Published by: California Department of Fish and Wildlife
Last updated: Tuesday, May 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Except as provided in Section 366, bear may be taken only as follows:(a) Areas:(1) Northern California: In the counties of Del Norte, Humboldt, Plumas...

Characterization of Nearshore Fish Communities Associated with Rocky Reef Habitats, California North Coast MPA Baseline Study, 2014 to 2015

Published by: California Ocean Protection Council
Last updated: Friday, May 15, 2026
File types: PDF, ZIP, CSV, XLSX

To characterize the fish communities associated with nearshore rocky reef habitat, we collaborated with commercial passenger fishing vessel (CPFV) cap...

i07 Habitat Restoration Polygons

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Approximate locations for habitat projects located within the Sacramento-San Joaquin Delta. This project list builds on earlier efforts, including tho...

i07 PreSGMA GroundWaterManagementPlans

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This polygon feature class is a data set compiled by DWR employees in 2013 and represents the statewide Groundwater Management Plan (Plan) boundaries ...

California Population Trends by Geography

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: CSV, WEBSITE

The datasets provide population estimate trends from 1998 to the current year for each of California’s 58 counties, further disaggregated by Detailed ...

i16 Census BlockGroup DisadvantagedCommunities 2023

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 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 Census 2020 Block Group feature clas...

Regional Transportation Planning Agencies

Published by: Caltrans
Last updated: Tuesday, May 19, 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...