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1166 datasets

CGS Seismic Hazards Program: Alquist-Priolo Fault Hazard Zones

Published by: California Department of Conservation
Last updated: Tuesday, May 26, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This data set contains the Alquist-Priolo Earthquake Fault Zones as shown on the Official Alquist-Priolo Earthquake Fault Zones Maps. The dataset is c...

2021-2022 West False River Emergency Drought Barrier water quality, flow, and fish monitoring

Published by: California Department of Water Resources
Last updated: Tuesday, May 26, 2026
File types:

To manage the critically low 2021 water supply for beneficial uses, DWR installed the temporary emergency drought barrier (EDB) on West False River in...

Ground Water - Water Quality Results

Published by: California State Water Resources Control Board
Last updated: Thursday, April 2, 2026
File types: EXCEL (XLSX), CSV

Groundwater quality data and related groundwater well information available on the page was queried from the GAMA Groundwater information system (**[G...

Vertical Distribution of Larval Delta Smelt and Striped Bass - Lower San Joaquin and Sacramento Rivers

Published by: California Department of Fish and Wildlife
Last updated: Tuesday, May 26, 2026
File types: XLSX, ZIP

Larval fishes were collected using three conical plankton nets fished simultaneously on the lower San Joaquin and Sacramento rivers, in 2000 and 2001....

Region Land Use Surveys

Published by: California Department of Water Resources
Last updated: Tuesday, May 26, 2026
File types: ZIP, SHP

This is collection of DWR Region Land Use Surveys. These include several county land use surveys, In addition, you may scroll the list below to down...

Juvenile Salmonid Emigration Monitoring Program - Middle Fork Sacramento River, Knights Landing, Yolo County

Published by: California Department of Fish and Wildlife
Last updated: Tuesday, May 26, 2026
File types: XLSX, ZIP

Annual monitoring data contracted through USBR and DWR to assess the timing, composition, and abundance of salmonid emigration from the upper Sacramen...

Freshwater Tidal Wetland Fish Monitoring Project - Decker Island, Sacramento River, Solano County

Published by: California Department of Fish and Wildlife
Last updated: Tuesday, May 26, 2026
File types: XLSX, ZIP

Fish monitoirng in a newly created freshwater tidal wetland on Decker Island. The dataset includes beach seine and electrofishing fish catch and fork ...

Fish Entrainment Monitoring - Spring Head of Old River, Sacramento-San Joaquin Delta

Published by: California Department of Fish and Wildlife
Last updated: Tuesday, May 26, 2026
File types: XLSX, ZIP

Fish entrainment monitoring at the Spring Head of Old River Barrier, in the south Sacramento-San Joaquin Delta. This project worked closely with the V...

San Francisco Bay and Sacramento-San Joaquin Delta DEM for Modeling, Version 4.1 (SUPERSEDED)

Published by: California Department of Water Resources
Last updated: Tuesday, May 26, 2026
File types: ZIP, PNG

This product is superseded by version 4.2. See: https://data.cnra.ca.gov/dataset/san-francisco-bay-and-sacramento-san-joaquin-delta-dem-for-modeling-...

Bottlenecks

Published by: Caltrans
Last updated: Tuesday, May 26, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Bottleneck Mapping is a subproject of the Mobility Performance Report, which is one of the products of the Mobility Performance Reporting and Analysis...