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768 datasets

Surface Water - Chemistry Results

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

This data provides results from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN) for field and lab chemi...

Vegetation - Napa County Update 2016 [ds2899]

Published by: California Department of Fish and Wildlife
Last updated: Monday, June 29, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The earlier map used black and white digital orthophoto quadrangles from 1993, with a pixel resolution of 3 meters. This image was delineated using a ...

Lake Oroville Water Quality Assessment for the 2018 Camp Fire

Published by: California Department of Water Resources
Last updated: Tuesday, June 30, 2026
File types: PDF, CSV

In November 2018, the Camp Fire started near the town of Pulga, California north of Lake Oroville. The fire burned much of the Feather River’s North F...

San Francisco Bay and Sacramento-San Joaquin Delta DEM version 3 (Superseded)

Published by: California Department of Water Resources
Last updated: Tuesday, June 30, 2026
File types: JPEG, ZIP

# Superseded: A more recent version of this product appears here: https://data.cnra.ca.gov/dataset/san-francisco-bay-and-sacramento-san-joaquin-de...

Citizen Scientist Monitoring of Rocky Reefs and Kelp Forests, California South Coast MPA Baseline Study, 2011 to 2012

Published by: California Ocean Protection Council
Last updated: Friday, June 26, 2026
File types: PDF, ZIP, CSV

Reef Check California has surveyed rocky reefs and kelp forests in southern California since 2006 and has up to nine years of data from the MLPA South...

Beach Advisories (Postings and Closures) and Beach Water Quality Monitoring

Published by: California State Water Resources Control Board
Last updated: Tuesday, March 17, 2026
File types: PDF, CSV, ZIP

One of California's biggest industries is tourism, and beaches are a significant tourist attraction as well as being an integral part of California’s ...

Urban Water Data - Drought Planning and Management

Published by: California Department of Water Resources
Last updated: Tuesday, June 30, 2026
File types: CSV, PDF

This data package aims to pilot an approach for providing usable data for analyses related to drought planning and management for urban water supplier...

i07 Water Shortage Vulnerability Sections

Published by: California Department of Water Resources
Last updated: Tuesday, June 30, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents a water shortage vulnerability analysis performed by DWR using modified PLSS sections pulled from the Well Completion Report P...

CA Zip Code Boundaries

Published by: California Department of Technology
Last updated: Wednesday, October 1, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This feature service is derived from the Esri "United States Zip Code Boundaries" layer, queried to only CA data.For the original data see: ...

Climate Land Cover (LANDFIRE Derived)

Published by: California Natural Resources Agency
Last updated: Saturday, June 27, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

Based primarily on the most recent release of LANDFIRE v2.0.0, this generalized land cover dataset provides full coverage of California including to t...