ExperimentalWe used data and feedback to make a user-friendly site. We’d love your feedback.
Back to data.ca.gov.

Sustainable Groundwater Management Act (SGMA) Basin Prioritization

The following data and resources were used for the SGMA Basin Prioritization of California’s 515 groundwater basins and subbasins. The Department of Water Resources is mandated by California Water Code Section 10933(b) to prioritize each basin based on eight components. For more information about how the data was analyzed for Basin Prioritization please see [Sustainable Groundwater Management Act Basin Prioritization - Process and Results Document](https://data.cnra.ca.gov/dataset/13ebd2d3-4e62-4fee-9342-d7c3ef3e0079/resource/ffafd27b-5e7e-4db3-b846-e7b3cb5c614c/download/sgma_bp_process_document.pdf). Additional questions or requests for information related any of the Basin Prioritization datasets should be directed to the Sustainable Groundwater Management Office at sgmps@water.ca.gov. For more information on SGMA Basin Prioritization please visit the [SGMA Basin Prioritization Homepage](https://water.ca.gov/Programs/Groundwater-Management/Basin-Prioritization).

Data files

Data title and descriptionAccess dataFile detailsLast updated

Component 3 – Public Supply Wells

The following data and resources were used for the SGMA Basin Prioritization of California’s 515 groundwater basins and subbasins. The Department of Water Resources is mandated by California Water Code Section 10933(b) to prioritize each basin based on eight components. For more information about how the data was analyzed for Basin Prioritization please see [Sustainable Groundwater Management Act Basin Prioritization - Process and Results Document](https://data.cnra.ca.gov/dataset/13ebd2d3-4e62-4fee-9342-d7c3ef3e0079/resource/ffafd27b-5e7e-4db3-b846-e7b3cb5c614c/download/sgma_bp_process_document.pdf). Additional questions or requests for information related any of the Basin Prioritization datasets should be directed to the Sustainable Groundwater Management Office at sgmps@water.ca.gov. For more information on SGMA Basin Prioritization please visit the [SGMA Basin Prioritization Homepage](https://water.ca.gov/Programs/Groundwater-Management/Basin-Prioritization).

Download
CSV
08/11/23

Component 4 - Production Wells

The following data and resources were used for the SGMA Basin Prioritization of California’s 515 groundwater basins and subbasins. The Department of Water Resources is mandated by California Water Code Section 10933(b) to prioritize each basin based on eight components. For more information about how the data was analyzed for Basin Prioritization please see [Sustainable Groundwater Management Act Basin Prioritization - Process and Results Document](https://data.cnra.ca.gov/dataset/13ebd2d3-4e62-4fee-9342-d7c3ef3e0079/resource/ffafd27b-5e7e-4db3-b846-e7b3cb5c614c/download/sgma_bp_process_document.pdf). Additional questions or requests for information related any of the Basin Prioritization datasets should be directed to the Sustainable Groundwater Management Office at sgmps@water.ca.gov. For more information on SGMA Basin Prioritization please visit the [SGMA Basin Prioritization Homepage](https://water.ca.gov/Programs/Groundwater-Management/Basin-Prioritization).

DownloadZIP
08/11/23

Component 5 – Irrigated Acreage

The following data and resources were used for the SGMA Basin Prioritization of California’s 515 groundwater basins and subbasins. The Department of Water Resources is mandated by California Water Code Section 10933(b) to prioritize each basin based on eight components. For more information about how the data was analyzed for Basin Prioritization please see [Sustainable Groundwater Management Act Basin Prioritization - Process and Results Document](https://data.cnra.ca.gov/dataset/13ebd2d3-4e62-4fee-9342-d7c3ef3e0079/resource/ffafd27b-5e7e-4db3-b846-e7b3cb5c614c/download/sgma_bp_process_document.pdf). Additional questions or requests for information related any of the Basin Prioritization datasets should be directed to the Sustainable Groundwater Management Office at sgmps@water.ca.gov. For more information on SGMA Basin Prioritization please visit the [SGMA Basin Prioritization Homepage](https://water.ca.gov/Programs/Groundwater-Management/Basin-Prioritization).

DownloadZIP
08/11/23

Component 7b – Subsidence Reference Material

The following data and resources were used for the SGMA Basin Prioritization of California’s 515 groundwater basins and subbasins. The Department of Water Resources is mandated by California Water Code Section 10933(b) to prioritize each basin based on eight components. For more information about how the data was analyzed for Basin Prioritization please see [Sustainable Groundwater Management Act Basin Prioritization - Process and Results Document](https://data.cnra.ca.gov/dataset/13ebd2d3-4e62-4fee-9342-d7c3ef3e0079/resource/ffafd27b-5e7e-4db3-b846-e7b3cb5c614c/download/sgma_bp_process_document.pdf). Additional questions or requests for information related any of the Basin Prioritization datasets should be directed to the Sustainable Groundwater Management Office at sgmps@water.ca.gov. For more information on SGMA Basin Prioritization please visit the [SGMA Basin Prioritization Homepage](https://water.ca.gov/Programs/Groundwater-Management/Basin-Prioritization).

DownloadZIP
08/11/23

Component 7c – Saline Intrusion Reference Material

The following data and resources were used for the SGMA Basin Prioritization of California’s 515 groundwater basins and subbasins. The Department of Water Resources is mandated by California Water Code Section 10933(b) to prioritize each basin based on eight components. For more information about how the data was analyzed for Basin Prioritization please see [Sustainable Groundwater Management Act Basin Prioritization - Process and Results Document](https://data.cnra.ca.gov/dataset/13ebd2d3-4e62-4fee-9342-d7c3ef3e0079/resource/ffafd27b-5e7e-4db3-b846-e7b3cb5c614c/download/sgma_bp_process_document.pdf). Additional questions or requests for information related any of the Basin Prioritization datasets should be directed to the Sustainable Groundwater Management Office at sgmps@water.ca.gov. For more information on SGMA Basin Prioritization please visit the [SGMA Basin Prioritization Homepage](https://water.ca.gov/Programs/Groundwater-Management/Basin-Prioritization).

DownloadZIP
08/11/23

Component 8a – Impacts to Habitat and Streamflow Reference Material

The following data and resources were used for the SGMA Basin Prioritization of California’s 515 groundwater basins and subbasins. The Department of Water Resources is mandated by California Water Code Section 10933(b) to prioritize each basin based on eight components. For more information about how the data was analyzed for Basin Prioritization please see [Sustainable Groundwater Management Act Basin Prioritization - Process and Results Document](https://data.cnra.ca.gov/dataset/13ebd2d3-4e62-4fee-9342-d7c3ef3e0079/resource/ffafd27b-5e7e-4db3-b846-e7b3cb5c614c/download/sgma_bp_process_document.pdf). Additional questions or requests for information related any of the Basin Prioritization datasets should be directed to the Sustainable Groundwater Management Office at sgmps@water.ca.gov. For more information on SGMA Basin Prioritization please visit the [SGMA Basin Prioritization Homepage](https://water.ca.gov/Programs/Groundwater-Management/Basin-Prioritization).

DownloadZIP
08/11/23

Component 8b – Other Local Information Reference Material

The following data and resources were used for the SGMA Basin Prioritization of California’s 515 groundwater basins and subbasins. The Department of Water Resources is mandated by California Water Code Section 10933(b) to prioritize each basin based on eight components. For more information about how the data was analyzed for Basin Prioritization please see [Sustainable Groundwater Management Act Basin Prioritization - Process and Results Document](https://data.cnra.ca.gov/dataset/13ebd2d3-4e62-4fee-9342-d7c3ef3e0079/resource/ffafd27b-5e7e-4db3-b846-e7b3cb5c614c/download/sgma_bp_process_document.pdf). Additional questions or requests for information related any of the Basin Prioritization datasets should be directed to the Sustainable Groundwater Management Office at sgmps@water.ca.gov. For more information on SGMA Basin Prioritization please visit the [SGMA Basin Prioritization Homepage](https://water.ca.gov/Programs/Groundwater-Management/Basin-Prioritization).

DownloadZIP
08/11/23

SGMA Basin Prioritization (Dashboard Data)

The following data and resources were used for the SGMA Basin Prioritization of California’s 515 groundwater basins and subbasins. The Department of Water Resources is mandated by California Water Code Section 10933(b) to prioritize each basin based on eight components. For more information about how the data was analyzed for Basin Prioritization please see [Sustainable Groundwater Management Act Basin Prioritization - Process and Results Document](https://data.cnra.ca.gov/dataset/13ebd2d3-4e62-4fee-9342-d7c3ef3e0079/resource/ffafd27b-5e7e-4db3-b846-e7b3cb5c614c/download/sgma_bp_process_document.pdf). Additional questions or requests for information related any of the Basin Prioritization datasets should be directed to the Sustainable Groundwater Management Office at sgmps@water.ca.gov. For more information on SGMA Basin Prioritization please visit the [SGMA Basin Prioritization Homepage](https://water.ca.gov/Programs/Groundwater-Management/Basin-Prioritization).

Download
CSV
08/11/23

Supporting files

Data title and descriptionAccess dataFile detailsLast updated

SGMA Basin Prioritization Statewide Summary Table

SGMA Basin Prioritization Summary Table for all 515 Groundwater Basins

XLSX
08/11/23

SGMA Basin Prioritization Dashboard - Web Map

Web map displaying SGMA Basin Prioritization and data for California's 515 Groundwater Basins defined in Bulletin 118.


08/11/23

Statewide Map of SGMA 2019 Basin Prioritization Results

Statewide Map of SGMA 2019 Basin Prioritization Results

PDF
08/11/23

Frequently Asked Questions (FAQs) - SGMA Basin Prioritization

Frequently Asked Questions (FAQs) about the SGMA Basin Prioritization of California's 515 groundwater basins.

PDF
08/11/23

Basin Prioritization - Process and Results Document

Sustainable Groundwater Management Act Basin Prioritization - Process and Results Document

PDF
08/11/23

GIS DATA - SGMA 2019 Basin Prioritization Feature Service

Link to the SGMA 2019 Basin Prioritization Feature Service


08/11/23

GIS DATA - SGMA 2019 Basin Prioritization Map Service

Link to the SGMA 2019 Basin Prioritization MapServer


08/11/23

Components 1 (Population) & 2 (Population Growth)

Reference information for Components 1 (Population) and 2 (Population Growth) of Basin Prioritization. For more information about how the data was analyzed for Basin Prioritization please see [Sustainable Groundwater Management Act 2019 Basin Prioritization - Process and Results Document](https://data.cnra.ca.gov/dataset/13ebd2d3-4e62-4fee-9342-d7c3ef3e0079/resource/ffafd27b-5e7e-4db3-b846-e7b3cb5c614c/download/sgma_bp_process_document.pdf).

PDF
08/11/23

Component 6 – Groundwater Reliance

For more information about how the data was analyzed for Basin Prioritization please see [Sustainable Groundwater Management Act 2019 Basin Prioritization - Process and Results Document](https://data.cnra.ca.gov/dataset/13ebd2d3-4e62-4fee-9342-d7c3ef3e0079/resource/ffafd27b-5e7e-4db3-b846-e7b3cb5c614c/download/sgma_bp_process_document.pdf).

PDF
08/11/23

Component 7a – Overdraft (Declining Groundwater Levels) Reference Material

Reference data and information for Component 7a (Documented Impacts: Overdraft) of Basin Prioritization. For more information about how the data was analyzed for Basin Prioritization please see [Sustainable Groundwater Management Act 2019 Basin Prioritization - Process and Results Document](https://data.cnra.ca.gov/dataset/13ebd2d3-4e62-4fee-9342-d7c3ef3e0079/resource/ffafd27b-5e7e-4db3-b846-e7b3cb5c614c/download/sgma_bp_process_document.pdf).


08/11/23

Component 7d - Degraded Water Quality MCL Exceedances

Reference data and information for Component 7d (Documented Impacts: Degraded Water Quality) of Basin Prioritization. For more information about how the data was analyzed for Basin Prioritization please see [Sustainable Groundwater Management Act 2019 Basin Prioritization - Process and Results Document](https://data.cnra.ca.gov/dataset/13ebd2d3-4e62-4fee-9342-d7c3ef3e0079/resource/ffafd27b-5e7e-4db3-b846-e7b3cb5c614c/download/sgma_bp_process_document.pdf).

XLSX
08/11/23

API endpoint

Dataset Name

Use the query web API to retrieve data with a set of basic parameters. Copy the API endpoint you need to start.

Usage documentation