Groundwater Info Center
Maps and Reports

Groundwater data and related information can be reported in a variety of formats, including maps, figures, and written reports.

This page provides access to PDF documents which report groundwater conditions in a variety of formats. Documents are organized by report type (for example, "Groundwater Level Change Maps") and by region. Statewide reports, or reports that cover large regions of the state are found on this page, whereas local reports are available at Region Office Reports and Data below. Please note that data reports and other information is being added to this page regularly.

Statewide and Regional Maps

Spring Groundwater Level Change Maps - Statewide

Fall Groundwater Level Change Maps - Statewide

Groundwater Level Change Maps Summarized by Hydrologic Region

Statewide and Regional Reports

Spring 2017 Groundwater Level Data Summary
Water Year 2017: What a Difference a Year Makes
Public Update for Drought Response - November 30, 2014
Groundwater Basins with Potential Water Shortages, Gaps in Groundwater Monitoring, Monitoring of Land Subsidence, and Agricultural Land Fallowing

Selected Report Figures
Summary of Recent, Historical, and Estimated Potential for Future Land Subsidence in California - 2014
Geology of the Northern Sacramento Valley, California, June 2014
Public Update for Drought Response - April 30, 2014
Groundwater Basins with Potential Water Shortages and Gaps in Groundwater Monitoring

Report Figures 1-27
Reports and Data Organized by Regional Office

Groundwater data collection, management, and reporting typically occurs at a regional level, and is conducted by staff at one of the four Department Region Offices.

Northern Region
North Central Region
South Central Region
Southern Region
Download Geospatial Data

Use the Groundwater Information Center Interactive Map to view and download selected groundwater related GIS data.