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295 datasets

Statewide Crop Mapping

Published by: California Department of Water Resources
Last updated: Saturday, June 28, 2025
File types: DATA, ZIP, REST SERVICE, GDB, SHP, STORY MAPS

NOTICE TO PROVISIONAL 2023 LAND USE DATA USERS: Please note that on December 6, 2024 the Department of Water Resources (DWR) published the Provisional...

i15 Parcels SWP

Published by: California Department of Water Resources
Last updated: Saturday, June 28, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset is a compilation of ownership rights represented as parcels owned by the State of California, Department of Water Resources. The associat...

DACs - Census

Published by: California Department of Water Resources
Last updated: Saturday, June 28, 2025
File types: ZIP

The following data were used for the Department of Water Resources' (DWR) Disadvantaged Communities (DAC) Mapping Tool: https://gis.water.ca.gov/app/d...

National Hydrography Data - NHD and 3DHP

Published by: California Department of Water Resources
Last updated: Sunday, June 29, 2025
File types: ZIP, WEBSITE, ARCGIS GEOSERVICES REST API, PDF, CSV

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

California Population Trends by Geography

Published by: California Department of Water Resources
Last updated: Sunday, June 29, 2025
File types: CSV, WEBSITE

This dataset provides population estimate trends from 1998 to the current year for each of California’s 58 counties, further disaggregated by Detailed...

Suisun Marsh Salinity Control Gates Log

Published by: California Department of Water Resources
Last updated: Sunday, June 29, 2025
File types: XLSX, PDF

This log of operations includes: flashboard installation and removal dates, when tidal operations were started and stopped, and notes any technical is...

California Groundwater Elevation Monitoring (CASGEM) Program

Published by: California Department of Water Resources
Last updated: Saturday, June 28, 2025
File types: PDF

Since 2009, the [California Statewide Groundwater Elevation Monitoring (CASGEM) Program](https://water.ca.gov/programs/groundwater-management/groundwa...

i04 CIMIS Reference Evapotranspiration Zones v1999

Published by: California Department of Water Resources
Last updated: Saturday, June 28, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The ETo Zones Map allows users to view the grass-reference evapotranspiration (ETo) Zones for the State of California. The map was developed by DWR an...

Toxicity Criteria Database

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Tuesday, April 8, 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...

i03 DAU county cnty2018

Published by: California Department of Water Resources
Last updated: Saturday, June 28, 2025
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...