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338 datasets

i10 Image Service Index Bathymetry

Published by: California Department of Water Resources
Last updated: Tuesday, May 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The DWR Enterprise image server has hundreds of image services, but there is no interface for searching or querying the server. The image server index...

i17 Levee Centerlines SuisunMarsh

Published by: California Department of Water Resources
Last updated: Tuesday, May 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Center lines of the Suisun Marsh levee systems. This dataset is a combination of different Suisun Marsh levee datasets that were edited to be accurate...

Drinking Water - Open Environmental Data Project - March 23, 2023 Workshop

Published by: California State Water Resources Control Board
Last updated: Monday, November 10, 2025
File types: PDF, HTML, CSV, SHP, ZIP, PPTX

The following datasets related to regulated drinking water system facilities in California have been developed and are available for the purpose of th...

California's Groundwater Update 2025 (Bulletin 118)

Published by: California Department of Water Resources
Last updated: Tuesday, May 5, 2026
File types: PDF, XLS, URL, .ZIP

California's Groundwater: Bulletin 118 Updates (CalGW Updates) are a continuing series of California's primary technical publications on groundwater r...

Groundwater Trading

Published by: California Department of Water Resources
Last updated: Tuesday, May 5, 2026
File types: PDF

The Water Resiliency Portfolio (2020) tasked the four State agencies to “create flexibility for GSAs to trade water within basins by enabling and ince...

2020 California Neighborhoods Count: DOF Report

Published by: California Department of Finance
Last updated: Tuesday, May 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

The CNC survey included 26 questions: all of the questions on the 2020 Census form, five questions on neighborhood quality, and six questions provided...

National Hydrography Data - NHD and 3DHP

Published by: California Department of Water Resources
Last updated: Wednesday, May 6, 2026
File types: WEBSITE, ARCGIS GEOSERVICES REST API, PDF, ZIP, CSV, WEB VIDEOS

The USGS National Hydrography Dataset (NHD) downloadable data collection from The National Map (TNM) is a comprehensive set of digital spatial data th...

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 High Hazard Zones (Tier 2)

Published by: CAL FIRE
Last updated: Tuesday, May 5, 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...

ECO-PTM Paper

Published by: California Department of Water Resources
Last updated: Tuesday, May 5, 2026
File types: PDF

The Department of Water Resources Modeling Support Office, in collaboration with the United States Geological Survey (USGS), has developed an individu...