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624 datasets

Riparian Corridors - NSNF - CDFW [ds1018]

Published by: California Department of Fish and Wildlife
Last updated: Monday, June 1, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Riparian corridors are important areas that maintain connectivity throughout the state of California. The riparian corridors complement the northern S...

Toxicity Criteria Database

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Tuesday, December 30, 2025
File types: CSV, PDF

Toxicity data for Air (Acute and Chronic Reference Exposure Levels (RELs)), Water (Public Health Goals (PHGs)), Soils (California Human Health Screeni...

Vegetation - Lower Feather River Update - 2018 [ds2891]

Published by: California Department of Fish and Wildlife
Last updated: Monday, June 1, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Feather River was mapped using 2018 National Agricultural Inventory Program (NAIP) imagery, and using a classification developed by the California...

Vegetation - Tijuana River [ds3033]

Published by: California Department of Fish and Wildlife
Last updated: Monday, June 1, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

In 2016, Debbie Waldecker from California State Parks (CSP) led a team in a strongly field-based update of the Western San Diego County Vegetation dat...

Vegetation - Suisun Marsh - 2018 [ds2963]

Published by: California Department of Fish and Wildlife
Last updated: Monday, June 1, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Vegetation delineations based on photo interpretation and formal vegetation classification plus change detection. This update by the Geographical Info...

Vegetation - Marin County [ds2960]

Published by: California Department of Fish and Wildlife
Last updated: Monday, June 1, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Tamalpais Lands Collaborative (One Tam; https://www.onetam.org/), the network of organizations that manage lands on Mount Tamalpais in Marin Count...

SWAMP Data Dashboard

Published by: California State Water Resources Control Board
Last updated: Monday, June 1, 2026
File types: PDF, CSV

Attention: Please note that the SWAMP Data Dashboard resources on the California Open Data Portal will not be updated from June 3 through June 25, 202...

Surface Water - Toxicity Results

Published by: California State Water Resources Control Board
Last updated: Thursday, May 28, 2026
File types: PDF, CSV, ZIP

Surface water toxicity data from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN). CEDEN is the Californ...

Vegetation - Great Valley Compilation [ds3231]

Published by: California Department of Fish and Wildlife
Last updated: Monday, June 1, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Geodatabase feature class containing a map tile of vegetation within the Great Valley Ecoregion. The vegetation tile combines these datasets: Great Va...

Striped Surfperch Length Frequency - North Central Coast - 2010-11 - PISCO [ds1393]

Published by: California Department of Fish and Wildlife
Last updated: Monday, June 1, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, ZIP

This map service is a synthesis of the baseline characterization of kelp and shallow rock ecosystems inside and outside of several North Central Coast...