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423 datasets

i08 FaultLines SacramentoValley

Published by: California Department of Water Resources
Last updated: Thursday, May 21, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data set is a series of polylines denoting fault lines mapped in USGS Publication MF-1790, "Geologic Map of the Late Cenozoic Deposits of the Sac...

i03 Groundwater Sustainability Plan Areas

Published by: California Department of Water Resources
Last updated: Thursday, May 21, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The passage of the Sustainable Groundwater Management Act (SGMA) in 2014 set forth a statewide framework to help protect groundwater resources over th...

i08 GroundwaterLevelChangeSeasonal Points

Published by: California Department of Water Resources
Last updated: Thursday, May 21, 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...

i08 GroundwaterLevelChangeSeasonal Contours

Published by: California Department of Water Resources
Last updated: Thursday, May 21, 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...

Dry Well Reporting System Data

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

In California, water systems serving one (1) to 15 households are regulated at the county level. Counties vary in their practices, but rarely do count...

i08 ChicoMonoclineLineaments SacramentoValley

Published by: California Department of Water Resources
Last updated: Thursday, May 21, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data set is a series of polylines denoting lineaments associated with the Chico Monocline as mapped in USGS Publication MF-1790, "Geologic M...

i17 LeveeCenterlineClass 2012

Published by: California Department of Water Resources
Last updated: Thursday, May 21, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This line feature class represents levee centerlines for 93 Levee Maintenance Agencies/Reclamation Districts in the Sacramento-San Joaquin Delta. The ...

i15 Parcels SWP

Published by: California Department of Water Resources
Last updated: Thursday, May 21, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset is a compilation of ownership rights represented as parcels owned by the State of California, Department of Water Resources. The associat...

Estimated Inundation Periods in the Yolo Bypass, 1998 – 2022

Published by: California Department of Water Resources
Last updated: Thursday, May 21, 2026
File types:

Largely supported by the Interagency Ecological Program (IEP), California Department of Water Resources (DWR) has operated a fish monitoring program i...

DWR Continuous Global Positioning System (CGPS) Sites

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

DWR Continuous Global Positioning System (CGPS) sites that are part of the network of CGPS stations that SOPAC/CSRC (http://sopac-csrc.ucsd.edu/) main...