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850 datasets

i16 Census BlockGroup DisadvantagedCommunities 2023

Published by: California Department of Water Resources
Last updated: Wednesday, June 3, 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...

i16 Census BlockGroup EconomicallyDistressedAreas 2023

Published by: California Department of Water Resources
Last updated: Wednesday, June 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a copy of the statewide Census Block Group GIS Tiger file. The IRWM web based EDA mapping tool uses this GIS layer. Created by joining ACS 201...

Use of Estuarine, Intertidal, and Subtidal Habitats by Seabirds, California South Coast MPA Baseline Study, 2011 to 2013

Published by: California Ocean Protection Council
Last updated: Friday, May 29, 2026
File types: PDF, ZIP, CSV, TXT

Seabirds are long-lived, upper trophic level predators that are integral components of marine ecosystems. During the breeding season, seabirds are cen...

Water Shortage Vulnerability Analysis Archive

Published by: California Department of Water Resources
Last updated: Wednesday, June 3, 2026
File types: FILE GEODATABASE, ZIP, EXCEL (XLSX)

This page is meant to act as an archival repository for previous Water Shortage Vulnerability analyses, which includes the Water Shortage Vulnerabilit...

Vegetation - Garrapata State Park [ds2945]

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, June 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The study area for this project was Garrapata State Park in northwestern Monterey County, California. Development of Garrapata State Park land by Span...

Summer Steelhead Distribution [ds341]

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, June 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Summer Steelhead Distribution October 2009 Version This dataset depicts observation-based stream-level geographic distribution of anadromous summer-ru...

Winter Steelhead Distribution [ds340]

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, June 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Winter Steelhead Distribution June 2012 Version This dataset depicts observation-based stream-level geographic distribution of anadromous winter-run s...

Coho Distribution [ds326]

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, June 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

August 2025 Version. This dataset represents the "Observed Distribution" for coho salmon in California by using observations made only between 1990 an...

Quagga and Zebra Mussel Infested Waters [ds2801]

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, June 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Quagga (Dreissena rostriformis bugensis) and Zebra (Dreissena polymorpha) mussels are highly invasive and easily transported from one waterybody to an...

Climate Change Projections for Water Storage Investment Program (WSIP)

Published by: California Water Commission
Last updated: Friday, May 29, 2026
File types: PDF, ZIP

To aid applicants with quantification and monetization of benefits of proposed water storage projects per Chapter 8 of Proposition 1 (Water Code secti...