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650 datasets

National Hydrography Data - NHD and 3DHP

Published by: California Department of Water Resources
Last updated: Monday, October 20, 2025
File types: PDF, ZIP, WEBSITE, ARCGIS GEOSERVICES REST API, 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...

DSM2 Meteorological Input Time Series Data

Published by: California Department of Water Resources
Last updated: Monday, October 20, 2025
File types: DSS

The meteorology data (air temperature, wet bulb temperature, cloud cover, atmospheric pressure, wind speed) was assembled from NOAA and CIMIS; data fr...

Annual Precipitation Data for Northern California 1944-Current

Published by: California Department of Water Resources
Last updated: Monday, October 20, 2025
File types: CSV, PDF

The California Department of Water Resources (DWR), Northern Region Office (NRO), maintains 33 precipitation stations that were installed starting in ...

CIMIS Weather Station & Spatial CIMIS Data - Web API

Published by: California Department of Water Resources
Last updated: Monday, October 20, 2025
File types: JSON

CIMIS data is available to the public free of charge via a web Application Programming Interface (API). The CIMIS Web API delivers data over the REST...

Interagency Ecological Program: Discrete water quality monitoring in the Sacramento-San Joaquin Bay-Delta, collected by the Environmental Monitoring Program, 2000-2018.

Published by: California Department of Water Resources
Last updated: Monday, October 20, 2025
File types:

The Interagency Ecological Program’s (IEP) Environmental Monitoring Program (EMP) has historically monitored discrete water quality and nutrients in t...

Interagency Ecological Program: Discrete dissolved oxygen monitoring in the Stockton Deep Water Ship Channel, collected by the Environmental Monitoring Program, 1997-2018

Published by: California Department of Water Resources
Last updated: Monday, October 20, 2025
File types:

The Interagency Ecological Program’s (IEP) Environmental Monitoring Program (EMP) has historically monitored discrete water quality and nutrients in t...

Bay-Delta SCHISM Coastal Data for Ocean Boundary

Published by: California Department of Water Resources
Last updated: Monday, October 20, 2025
File types: TAR.GZ, TAR

The Bay-Delta SCHISM model connects to coastal models on its ocean boundary for salinity and temperature, using Newtonian relaxation or "nudging". The...

California Grants Portal- Grants Offered

Published by: California State Library
Last updated: Monday, October 20, 2025
File types: CSV

The Grant Information Act of 2018 (Stats. 2018, Ch. 318) required the State Library to build one website by July 1, 2020, “that provides a centralize...

Demographics in the California Legislature

Published by: California State Library
Last updated: Tuesday, March 18, 2025
File types: XLSX

The dataset contains racial/ethnic data for California's legislators since the end of the 2015-2016 legislative session through those elected for the ...

Medical Service Study Area Data Dictionary

Published by: Department of Health Care Access and Information
Last updated: Monday, October 20, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Field Name Data Type Description Statefp Number US Census Bureau unique identifier of the state Countyfp Number US Census...