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434 datasets

2011 and 2012 Georgiana Slough Non-Physical Barrier Performance Evaluation - GSNPB-11_Legacy_Reports v2

Published by: California Department of Water Resources
Last updated: Saturday, July 18, 2026
File types: PDF

DWR implemented the 2011 Georgiana Slough NonPhysical Barrier (GSNPB) Study to test the effectiveness of using a non-physical barrier, referred to as ...

State Water Project Routine Water Quality Monitoring

Published by: California Department of Water Resources
Last updated: Saturday, July 18, 2026
File types: CSV, LINK, PDF

The California State Water Project (SWP) is one of the nation’s largest water conveyance projects. Its geographic extent stretches from Sierra Nevada ...

California Central Valley Groundwater-Surface Water Simulation Model – Fine Grid (C2VSimFG)

Published by: California Department of Water Resources
Last updated: Saturday, July 18, 2026
File types: PDF, ZIP

## C2VSimFG Version 1.5 (Released on June 6, 2025) Version 1.5 of the California Central Valley Groundwater-Surface Water Simulation Model – Fine G...

1D Subsidence Modeling Files for the Central Valley

Published by: California Department of Water Resources
Last updated: Saturday, July 18, 2026
File types: PDF

Model files and technical memorandum for one-dimensional subsidence models that are discussed in DWR's subsidence best management practices (BMP) docu...

California Population Trends by Geography

Published by: California Department of Water Resources
Last updated: Saturday, July 18, 2026
File types: CSV, WEBSITE

The datasets provide population estimate trends from 1998 to the current year for each of California’s 58 counties, further disaggregated by Detailed ...

i02 NCCAG Vegetation

Published by: California Department of Water Resources
Last updated: Saturday, July 18, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Natural Communities Commonly Associated with Groundwater (NCCAG) dataset is a compilation of phreatophytic vegetation, regularly flooded natural w...

i02 Natural Communities Commonly Associated with Groundwater (NCCAG)

Published by: California Department of Water Resources
Last updated: Saturday, July 18, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

The Natural Communities Commonly Associated with Groundwater (NCCAG) dataset is a compilation of phreatophytic vegetation, regularly flooded natural w...

i02 NCCAG Wetlands

Published by: California Department of Water Resources
Last updated: Saturday, July 18, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Natural Communities Commonly Associated with Groundwater (NCCAG) dataset is a compilation of phreatophytic vegetation, regularly flooded natural w...

Drought and Water Shortage Risk: Small Suppliers and Rural Communities (Version 2021)

Published by: California Department of Water Resources
Last updated: Saturday, July 18, 2026
File types: XLSX, XLS

For most recent data version of Water Shortage Vulnerability scoring, please see https://data.cnra.ca.gov/dataset/water-shortage-vulnerability-dataset...

California Snow Data

Published by: California Department of Water Resources
Last updated: Saturday, July 18, 2026
File types: CSV, PDF, WEB APPLICATION

The California Snow Data page contains resources from the California Data Exchange Center (CDEC) in open and machine readable format. These resources ...