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435 datasets

National Hydrography Data - NHD and 3DHP

Published by: California Department of Water Resources
Last updated: Sunday, August 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

The USGS National Hydrography Dataset (NHD) downloadable data collection from The National Map (TNM) is a comprehensive set of digital spatial data th...

i03 Local Maintenance Areas Flood Protection

Published by: California Department of Water Resources
Last updated: Sunday, August 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Boundaries of various types of public agencies with responsibilities that include in part or primarily flood control, system maintenance, and improvem...

DSM2 8.2.0 beta1

Published by: California Department of Water Resources
Last updated: Sunday, August 2, 2026
File types: TXT

DSM2 V8.2.0b1 release applies the daily DCD v1.0 channel depletions. Main differences with DSM2 V8.1.2 release: 1. DCD v1.0 daily channel d...

VTools and PyDSS (Python 2.7 64 bit only)

Published by: California Department of Water Resources
Last updated: Sunday, August 2, 2026
File types: MSI, EGG

# VTools for Python 2.7 64 bit windows VTools is an open-source program, and the source codes are available at GitHub: [https://github.com/CADWRDel...

HEC DSSVue Plugins

Published by: California Department of Water Resources
Last updated: Sunday, August 2, 2026
File types: JAR, ZIP, GIF

# Introduction Plugins written to extend HEC-DSSVue # Godin Filter Godin filters are used to remove tidal signals from timeseries of stage, flow ...

Bay-Delta SCHISM Milestone Mesh Versions

Published by: California Department of Water Resources
Last updated: Sunday, August 2, 2026
File types: GZIP

This dataset includes gzipped files formats native to the Surface Water Modeling System (SMS) grid generation software or *.gr3 format native to SCHIS...

i03 SuisunMarshBoundary

Published by: California Department of Water Resources
Last updated: Sunday, August 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This feature class was digitized from the map, A.B. 1717, by Jeff Galef on August 22, 2012. The features were labeled as being in the Primary or Secon...

i07 EcoMetric Polygon

Published by: California Department of Water Resources
Last updated: Sunday, August 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This feature service captures Ecosystem metrics identified for monitoring the status and changes based on projects & activities occurring in the S...

i07 EcoMetric Line

Published by: California Department of Water Resources
Last updated: Saturday, August 1, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This feature service captures Ecosystem metrics identified for monitoring the status and changes based on projects & activities occurring in the S...

i08 C2VSimFG Boundary

Published by: California Department of Water Resources
Last updated: Saturday, August 1, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The boundary dataset covers the model domain of the C2VSimFG. The total area of the model domain is 20,742 square miles. It contains 32,537 elements, ...