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212 datasets

i08 GroundwaterLevelChangeSeasonal Points

Published by: California Department of Water Resources
Last updated: Tuesday, July 14, 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...

i13 EncroachmentPermits DWR

Published by: California Department of Water Resources
Last updated: Wednesday, July 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents the relative position and extent of encroachment permits created by the Geomatics Branch to support real property management w...

Bay-Delta SCHISM Milestone Mesh Versions

Published by: California Department of Water Resources
Last updated: Wednesday, July 15, 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...

C2VSimCG R374_rev

Published by: California Department of Water Resources
Last updated: Wednesday, July 15, 2026
File types: PDF, ZIP, MSI, WMV

### A new version of the C2VSimCG model is available here (https://data.cnra.ca.gov/dataset/c2vsimcg-version-2025-draft) Revised version of the C2V...

i08 GroundwaterLevelChangeSeasonal Contours

Published by: California Department of Water Resources
Last updated: Wednesday, July 15, 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...

i03 Adjudicated Areas

Published by: California Department of Water Resources
Last updated: Tuesday, July 14, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Adjudication is a form of groundwater management in California through the courts. When groundwater resources do not meet water demands in an area, la...

Watershed Boundary Dataset (WBD)

Published by: California Department of Water Resources
Last updated: Wednesday, July 15, 2026
File types: FILE GEODATABASE OR SHAPEFILE, ARCGIS GEOSERVICES REST API, WEBSITE, PDF

The Watershed Boundary Dataset (WBD) from USGS' The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landsca...

Estimated Subsidence in the San Joaquin Valley between 1949 – 2005

Published by: California Department of Water Resources
Last updated: Wednesday, July 15, 2026
File types: PDF

San Joaquin Valley Subsidence Analysis README. Written: Joel Dudas, 3/12/2017. Amended: Ben Brezing, 4/2/2019. DWR’s Division of Engineering Geodet...

i10 APIS FlightCoverage

Published by: California Department of Water Resources
Last updated: Wednesday, July 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a polygon feature class that models the flight coverage of available DWR historic aerial photography. The coordinate system utilized for this ...

i10 APIS FlightLines

Published by: California Department of Water Resources
Last updated: Wednesday, July 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a line feature class that models the flight lines of available DWR historic aerial photography. The coordinate system utilized for this featur...