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67 datasets

i03 Groundwater Sustainability Plan Areas

Published by: California Department of Water Resources
Last updated: Thursday, October 2, 2025
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 GroundwaterElevationSeasonal Points

Published by: California Department of Water Resources
Last updated: Thursday, October 2, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset depicts groundwater level (expressed as elevation) at selected monitoring locations (wells), by season and year. Other information on the...

i08 GroundwaterElevationSeasonal Countours

Published by: California Department of Water Resources
Last updated: Thursday, October 2, 2025
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...

i08 GroundwaterDepthSeasonal Contours

Published by: California Department of Water Resources
Last updated: Thursday, October 2, 2025
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...

i08 GroundwaterDepthSeasonal Points

Published by: California Department of Water Resources
Last updated: Thursday, October 2, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset depicts groundwater level (expressed as depth below ground surface) at selected monitoring locations (wells), by season and year. Other i...

Northern Sacramento Valley Groundwater Elevation Change Maps

Published by: California Department of Water Resources
Last updated: Thursday, October 2, 2025
File types: ZIP

Groundwater Elevation Change Maps summarize the change in groundwater level measurements over time, collected from wells in the northern Sacramento Va...

i08 GroundwaterLevelChangeSeasonal Contours

Published by: California Department of Water Resources
Last updated: Thursday, October 2, 2025
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...

Sustainable Groundwater Management Act (SGMA) Basin Prioritization

Published by: California Department of Water Resources
Last updated: Thursday, October 2, 2025
File types: XLSX, PDF, CSV, ZIP

The following data and resources were used for the SGMA Basin Prioritization of California’s 515 groundwater basins and subbasins. The Department of W...

i08 GroundwaterLevelChangeSeasonal Points

Published by: California Department of Water Resources
Last updated: Thursday, October 2, 2025
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 GroundwaterStations EnterpriseWaterManagement

Published by: California Department of Water Resources
Last updated: Thursday, October 2, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a point feature class of all groundwater elevation monitoring stations (wells) maintained in the California Department of Water Resources’ (he...