The Sustainable Groundwater Management Act (SGMA)

What Is SGMA?

Learn about groundwater and the landmark Sustainable Groundwater Management Act

Learn About SGMA

What Is State Intervention?

Learn about the State's role in ensuring the sustainable management of groundwater resources

Learn About Intervention

Groundwater Basins

Learn about basins subject to State intervention and actions taken by the State Water Board

Learn More About the Basins

Reporting and Fees

Get information on annual groundwater extraction reporting requirements, how to report online (GEARS), and related fees

Reporting & Fees Information

More Information and Resources

Access helpful links and materials including frequently asked questions, fact sheets, and State Water Board comment letters

Access More Resources

Public Meetings and Ways to Participate

Access our calendar of public meetings and learn about ways to participate in SGMA

Meetings and Participation

  Announcements

To view announcements and recently released documents, please visit the links below.

Reporting and Fees

  • 10/30/26 – Groundwater extraction reports are due February 1, 2027 for the following reporting periods:
    • Tulare Lake Subbasin: October 1, 2025 – September 30, 2026
    • Tule Subbasin: January 1, 2026 – September 30, 2026
    GEARS opens on November 2, 2026. Access a user guide and tutorial videos on the GEARS Resources page.

  • 10/30/26 – Board staff will hold office hours in the Tule and Tulare Lake Subbasins on November 17 & 18 and December 9 & 10 to assist pumpers with reporting their groundwater extractions to GEARS. View the Flyer in English and Spanish for more information.

Tulare Lake Subbasin

  • 10/30/26 – Groundwater extraction reports for October 1, 2025 – September 30, 2026 are due by February 1, 2027.
  • 04/07/26 – At its April 7th Board Meeting, the State Water Board approved a resolution excluding certain groundwater extractors from SGMA probationary reporting and fee requirements. See the Tulare Lake Subbasin page for more information.
  • 01/07/26 – Information for Tulare Lake groundwater extractors regarding flow meters, groundwater extraction reporting, fees, and subbasin status is now available in Frequently Asked Question format.

Tule Subbasin

  • 10/30/26 – Groundwater extraction reports for January 1, 2026 – September 30, 2026 are due by February 1, 2027.
  • 04/07/26 – At its April 7th Board Meeting, the State Water Board approved a resolution excluding certain groundwater extractors from SGMA probationary reporting and fee requirements. See the Tule Subbasin page for more information.

  Contact Us

Contact Information

General Inquiries

  • Call 916-322-6508
  • Email SGMA@waterboards.ca.gov
  • Mail:
    • State Water Resources Control Board
      Office of Sustainable Groundwater Management
      P.O. Box 100
      Sacramento, CA 95812

Media Requests

Adjudication Contacts

Any plaintiff seeking a comprehensive groundwater adjudication should provide notice of the adjudication to the State Water Resources Control Board as required by California Code of Civil Procedure section 835, subdivision (a)(6).

The State Water Resources Control Board requests that notice be provided to all the following persons. Notice by electronic mail is preferred:

Michael A.M. Lauffer, Chief Counsel
michael.lauffer@waterboards.ca.gov

Tina Cannon Leahy, Senior Staff Counsel
tina.leahy@waterboards.ca.gov

David Rose, Senior Staff Counsel
david.rose@waterboards.ca.gov

Amanda Pearson, Senior Staff Counsel
amanda.pearson@waterboards.ca.gov

State Water Resources Control Board
Office of Chief Counsel
1001 I Street, 22nd Floor
Sacramento, CA 95814
(916) 341-5161

For service of any pleading naming the State Water Resources Control Board, please also follow the electronic service of process guidelines at the California State Water Resources Control Board Laws & Regulations.


Language Access Services

The State Water Board provides interpretation and translation services in any language at no cost to you.

To request these services, click on the button below to open the language access form, or email us at LanguageServices@Waterboards.ca.gov.

The form is available in English, Español (Spanish), Tagalog, 中文 (Simplified Chinese), 한국인 (Korean), Tiếng Việt (Vietnamese), ਪੰਜਾਬੀ (Punjabi).

Comuníquese con nosotros para solicitar servicios lingüísticos o información en su idioma:

ਆਪਣੀ ਭਾਸ਼ਾ ਵਿੱਚ ਭਾਸ਼ਾ ਸੇਵਾਵਾਂ ਅਤੇ/ਜਾਂ ਜਾਣਕਾਰੀ ਦੀ ਬੇਨਤੀ ਕਰਨ ਲਈ ਸਾਡੇ ਨਾਲ ਸੰਪਰਕ ਕਰੋ:

Txuas lus rau peb los thov cov kev pab cuam txhais lus thiab/los sis cov ntaub ntawv ua koj hom lus:


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