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2721 datasets

Suisun Marsh Salinity Control Gates Log

Published by: California Department of Water Resources
Last updated: Tuesday, May 5, 2026
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...

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...

State Highway Network Postmiles Tenth

Published by: Caltrans
Last updated: Tuesday, May 5, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Postmiles are valid postmile points at 0.1 (1/10th) mile intervals, based on the Caltrans Linear Referencing System. Exceptions that are included are ...

Cal-ITP GTFS-Ingest Pipeline Dataset

Published by: Caltrans
Last updated: Tuesday, May 5, 2026
File types: CSV

Cal-ITP collects the GTFS feeds from a statewide list every night and aggregates it into a statewide table for analysis purposes only. Do not use for ...

Spatial and Economic Human Uses, California South Coast MPA Baseline Study, 1992 to 2012

Published by: California Ocean Protection Council
Last updated: Friday, May 1, 2026
File types: PDF, ZIP, CSV, XML

This study addresses the South Coast MPA Baseline Program objectives by describing human use patterns across the study region and establishing initial...

Pennels Birds-beak Monitoring Plan - Harrison Grade Ecological Reserve

Published by: California Department of Fish and Wildlife
Last updated: Tuesday, May 5, 2026
File types: XLSX, ZIP

Pennell’s bird’s-beak (Cordylanthus tenuis ssp. capillaris) is a California-listed rare, and federally-endangered plant that is endemic to Sonoma Coun...

DACs - Census

Published by: California Department of Water Resources
Last updated: Tuesday, May 5, 2026
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...

Coho Distribution [ds326]

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

August 2025 Version. This dataset represents the "Observed Distribution" for coho salmon in California by using observations made only between 1990 an...

i03 LegalDeltaBoundary

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

Department of Water Resources (DWR), Geodetic Branch, Cadastral Surveys reviewed this boundary in July, 2009, and agreed with the linework along with ...

California Grants Portal- Grants Offered

Published by: California State Library
Last updated: Tuesday, May 5, 2026
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...