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416 datasets

National Hydrography Dataset (NHD) Archive

Published by: California Department of Water Resources
Last updated: Thursday, January 22, 2026
File types: ZIP, TXT, FILE GEODATABASE

This page is meant to act as an archival repository for previous versions of the statewide National Hydrography Dataset (NHD) which includes the Water...

Natural Communities Commonly Associated with Groundwater

Published by: California Department of Water Resources
Last updated: Thursday, January 22, 2026
File types: GDB, SHP, PDF

The Natural Communities dataset is a compilation of 48 publicly available State and federal agency datasets that map vegetation, wetlands, springs, an...

CalSIP Stream Gages

Published by: California Department of Water Resources
Last updated: Thursday, January 22, 2026
File types: ARCGIS GEOSERVICES REST API, CSV

### More information can be found at the CA DWR California Stream Improvement Program webpage at https://water.ca.gov/Work-With-Us/Technical-Assistanc...

Groundwater Sustainability Plan Annual Report Data

Published by: California Department of Water Resources
Last updated: Thursday, January 22, 2026
File types: CSV

The Groundwater Sustainability Plan (GSP) Annual Report (AR) datasets contain the following data submitted by Groundwater Sustainability Agencies (GSA...

Modeling and Analysis Web Page General Contents

Published by: California Department of Water Resources
Last updated: Thursday, January 22, 2026
File types: PDF

Modeling and Analysis Web Page General Contents...

Stormwater Projects

Published by: California Department of Water Resources
Last updated: Thursday, January 22, 2026
File types: CSV

The dataset contains storm water projects planned in the future throughout California that involve groundwater recharge and direct use. It was used to...

DICU

Published by: California Department of Water Resources
Last updated: Thursday, January 22, 2026
File types: PDF

Delta Island Consumptive Use model...

i15 SWP Monuments

Published by: California Department of Water Resources
Last updated: Thursday, January 22, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset is a compilation of survey monuments as points used by the State of California, Department of Water Resources. The associated data is con...

C2VSimCG Version 2025 - Draft

Published by: California Department of Water Resources
Last updated: Thursday, January 22, 2026
File types: ZIP

Draft Coarse Grid California Central Valley Groundwater-Surface Water Simulation Model (released January 1, 2026). C2VSimCG v2025 is a computer progra...

i08 GroundwaterLevelChange Contours

Published by: California Department of Water Resources
Last updated: Thursday, January 22, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset depicts contours of estimated change in groundwater piezometric surfaces in the unconfined or uppermost semi-confined aquifers, between t...