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2087 datasets

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...

California All Public Roads Network

Published by: Caltrans
Last updated: Wednesday, May 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Caltrans All Roads Linear Referencing Services (LRS) dataset provides the base geometry for federally required Highway Performance Monitoring Syst...

California's Groundwater Update 2020 (Bulletin 118)

Published by: California Department of Water Resources
Last updated: Wednesday, May 20, 2026
File types: PDF, XLSX, XLS, ZIP, SHP

California's Groundwater Update 2020 (CalGW) is California's foremost technical publication on groundwater in the state of California. CalGW, formally...

CalEnviroScreen 4.0 Results

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Wednesday, May 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

The Office of Environmental Health Hazard Assessment (OEHHA) announces the availability of a new version of the California Communities Environmental...

California Water Plan - Groundwater Update 2013

Published by: California Department of Water Resources
Last updated: Wednesday, May 20, 2026
File types: PDF

California's Groundwater Update 2013: A Compilation of Enhanced Content for California Water Plan Update 2013 compiles and analyzes readily-available ...

California High Hazard Zones (Tier 2)

Published by: CAL FIRE
Last updated: Wednesday, May 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

On October 30, 2015 Governor Brown issued an emergency declaration requiring public agencies to identify areas of tree mortality that hold the great...

California Vegetation - WHR13 Types

Published by: CAL FIRE
Last updated: Wednesday, May 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

An accurate depiction of the spatial distribution of habitat types within California is required for a variety of legislatively-mandated government fu...

California's Groundwater Basin Boundary Descriptions

Published by: California Department of Water Resources
Last updated: Wednesday, May 20, 2026
File types:

In conjunction with the release of [California’s Groundwater Update 2020](https://data.cnra.ca.gov/dataset/caglw_update2020), DWR has compiled a compr...

California Important Farmland Finder

Published by: California Department of Conservation
Last updated: Wednesday, May 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This application provides an easy way to calculate the area and type of Important Farmland in an area of interest.Important Farmland Maps are compiled...

Los Angeles River Restoration and Access (LLARRA) Water Quality Analysis - Lower Los Angeles River - 2024-2025

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, May 20, 2026
File types: XLS, ZIP

WCB Grant 2023114: Lower Los Angeles River Restoration and Access: Data includes one (1) year of water quality analysis to inform the design and serve...