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1574 datasets

Surface Water - Freshwater Harmful Algal Blooms

Published by: California State Water Resources Control Board
Last updated: Saturday, May 23, 2026
File types: PDF, CSV

Freshwater harmful algal bloom (HAB) data from the Freshwater Harmful Algal Bloom (FHAB) data system. The FHAB data system is the California State Wat...

i08 GroundwaterLevelChangeSeasonal Points

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset depicts change in groundwater level at selected monitoring locations (wells) between two specified years, by season. Change values repres...

COVID-19 Vaccine Progress Dashboard Data

Published by: California Department of Public Health
Last updated: Saturday, May 23, 2026
File types: ZIP, CSV, XLSX

Note: In these datasets, a person is defined as up to date if they have received at least one dose of an updated COVID-19 vaccine. The Centers for Dis...

DSM2

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 2026
File types: HTML, ZIP, APPLICATION/X-MSDOS-PROGRAM, PDF

DSM2 models, data, and other resources. The links are in chronological order, with most recent releases at the top. * The Delta Simulation Model I...

Salmonid Restoration Validation in Ten Mile Creek, Mendocino County 2021-2022

Published by: California Department of Fish and Wildlife
Last updated: Saturday, May 23, 2026
File types: XLSX, ZIP

Juvenile Coho Salmon abundance was measured for a before-after, control- impact (BACI) analysis of restoration effectiveness. Analyses evaluated the e...

i12 Salinity Transects SouthDelta

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a point feature class of high-frequency specific conductance and water temperature measurements at specific points in the South Delta. Specifi...

DSM2 Georeferenced Model Grids

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 2026
File types: ZIP, PDF, ARCGIS DESKTOP MAP PACKAGE, ARCGIS PRO MAP PACKAGE

ArcGIS and QGIS map packages, with ESRI shapefiles for DSM2 Model Grids. These are not finalized products. Locations in these shapefiles are approxima...

Stormwater - Regulatory (including Enforcement Actions) Information and Water Quality Results

Published by: California State Water Resources Control Board
Last updated: Monday, May 18, 2026
File types: CSV

This dataset looks at all aspects of storm water management in California as managed and regulated by the State Water Resources Control Board, from th...

i07 FloodSystemMetric Polygon

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Central Valley Flood Protection Plan (CVFPP) recommends that the California Department of Water Resources (DWR) develop a system for tracking perf...

i07 FloodSystemMetric Point

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Central Valley Flood Protection Plan (CVFPP) recommends that the California Department of Water Resources (DWR) develop a system for tracking perf...