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219 datasets

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: Friday, April 10, 2026
File types:

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

California Monitoring Program for Salmon and Steelhead [ds2804]

Published by: California Department of Fish and Wildlife
Last updated: Friday, April 10, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This data is out of date, no longer updated, and may contain inaccurate information, please see Salmonid Population Monitoring Areas - California - CM...

California Monitoring Program for Salmon and Steelhead [ds2804] Extended Table

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 9, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, GEOJSON

This data is out of date, no longer updated, and may contain inaccurate information, please see Salmonid Population Monitoring Areas - California - CM...

California Monitoring Program for Salmon and Steelhead [ds2804]

Published by: California Department of Fish and Wildlife
Last updated: Friday, April 10, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data is out of date, no longer updated, and may contain inaccurate information, please see Salmonid Population Monitoring Areas - California - CM...

Waterfowl Hunt Zone [ds2906]

Published by: California Department of Fish and Wildlife
Last updated: Friday, April 10, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Hunting Zone Boundaries for Waterfowl.See: https://www.wildlife.ca.gov/Hunting/Waterfowl for details about waterfowl hunting.See: https://www.wildlife...

San Francisco Bay and Sacramento-San Joaquin Delta DEM for Modeling, Version 4.3

Published by: California Department of Water Resources
Last updated: Friday, April 10, 2026
File types: PNG, .ZIP, ZIP

# Citation and Main Description: This product is described in Chapter 5 of the 2018 DWR Delta Modeling Section annual report, produced jointly with...

California Monitoring Program for Salmon and Steelhead [ds2804] Extended Table

Published by: California Department of Fish and Wildlife
Last updated: Friday, April 10, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data is out of date, no longer updated, and may contain inaccurate information, please see Salmonid Population Monitoring Areas - California - CM...

i12 Flood Bypasses 2012

Published by: California Department of Water Resources
Last updated: Friday, April 10, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This feature class is a vector file containing polygons that represent the flood control bypasses of the Sacramento and San Joaquin Rivers. Bypasses c...

i12 Flood Bypasses 2014

Published by: California Department of Water Resources
Last updated: Friday, April 10, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This feature class is a vector file containing polygons that represent the flood control bypasses of the Sacramento and San Joaquin Rivers. Bypasses c...

Central Valley Water Board E. coli Monitoring Results

Published by: California State Water Resources Control Board
Last updated: Thursday, April 9, 2026
File types: CSV

Draft - E. coli monitoring results from the Central Valley Regional Water Quality Control Board. _E. coli_ is a type of bacteria used to indicate feca...