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90 datasets

Polycyclic Aromatic Hydrocarbon Samples - 2011-2024 - OSPR [ds714]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 11, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Polycyclic aromatic hydrocarbons (PAHs) are a class of organic compounds found in the environment associated with natural and anthropogenic activities...

California Incorporated Cities

Published by: CAL FIRE
Last updated: Sunday, April 12, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Complete accounting of all incorporated cities, including the boundary and name of each individual city. From 2009 to 2022 CAL FIRE maintained this da...

IWFM-IDC Users Group Meeting (12/18/2019)

Published by: California Department of Water Resources
Last updated: Saturday, April 11, 2026
File types: PDF

Presentations given in the IWFM-IDC Users Group Meeting held on December 18, 2019. Bay-Delta Office of DWR develops, maintains and provides technical ...

Estimates of Natural and Unimpaired Flows for the Central Valley of California: WY 1922-2014

Published by: California Department of Water Resources
Last updated: Sunday, April 12, 2026
File types: PDF

This report summarizes estimates of “natural” and “unimpaired” flows for all areas in the Central Valley tributary to the Sacramento – San Joaquin Del...

DSM2

Published by: California Department of Water Resources
Last updated: Sunday, April 12, 2026
File types: HTML, ZIP, APPLICATION/X-MSDOS-PROGRAM, PDF

DSM2 models, data, and other resources. The links are in chronological order, with most recent releases at the top. * The Delta Simulation Model I...

Delta Vegetation and Land Use - 2011 [ds292]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 11, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Under contract to the California Department of Fish and Wildlife (CDFW) and the Bay-Delta Region for use in conjunction with the Delta Regional Ecosys...

i03 DAU county cnty2018

Published by: California Department of Water Resources
Last updated: Saturday, April 11, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (*See metadata for CAL-FIRE cnty18_1), State of California.The exi...

CalEnviroScreen 2.0

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Wednesday, October 23, 2019
File types: CSV, XLSX, PDF

The Office of Environmental Health Hazard Assessment (OEHHA), on behalf of the California Environmental Protection Agency (CalEPA), developed Californ...

CalEnviroScreen 3.0 Results

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Wednesday, October 23, 2019
File types: PDF, CSV, SHP

CalEnviroScreen is a mapping tool that helps identify California communities that are most affected by many sources of pollution, and where people are...

Surface Water - Toxicity Results

Published by: California State Water Resources Control Board
Last updated: Friday, April 10, 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...