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Groundwater Technical Advisory Group

March 12, 2026 ·1:30 PM Final

Board of Supervisors Chambers 1195 Third Street, Third Floor

Agenda PDF 📹 Watch video Official record ↗

Agenda — 23 items

  1. 1 How to Watch or Listen to the Napa County Groundwater Technical Advisory Group Meetings
  2. 2 The Napa County Groundwater Technical Advisory Group will continue to meet the 2nd Thursday of each month. There will be no regular meeting in January, May, June or October. August 19, 2025 will be a special-joint meeting of the GTAG & GSA. The Groundwater Technical Advisory Group meets at 1195 Third Street, Suite 310, Napa, California 94559. The meeting room is wheelchair accessible. Assistive listening devices and interpreters are available through the clerk of the Groundwater Technical Advisory Group. Requests for disability related modifications or accommodations, aids or services may be made to the Clerk of the Groundwater Technical Advisory Group's office no less than 72 hours prior to the meeting date by contacting (707) 253-4417 or meetingclerk@countyofnapa.org. The Groundwater Technical Advisory Group realizes that not all County residents have the same ways to stay engaged, so several alternatives are offered. Remote Zoom participation for members of the public is provided for convenience only. In the event that the Zoom connection malfunctions for any reason, the Groundwater Technical Advisory Group reserves the right to conduct the meeting without remote access. Please watch or listen to the Groundwater Technical Advisory Group meeting in one of the following ways:
  3. 1. Attend in-person at the Board of Supervisors Chambers, 1195 Third Street, Napa, Third Floor.
  4. 2. Watch on Zoom using the attendee link: https://countyofnapa.zoom.us/j/89426085834. Make sure the browser is up-to-date.
  5. 3. Listen on Zoom by calling 1-669-900-6833 (Meeting ID: 894-2608-5834).
  6. 6 If you are unable to attend the meeting in person and wish to submit a general public comment or a comment on a specific agenda item, please do the following:
  7. 1. Email your comment to meetingclerk@countyofnapa.org. Emails will not be read aloud but will still become part of the public record and shared with the Groundwater Technical Advisory Group.
  8. 2. Use the Zoom attendee link: https://Countyofnapa.zoom.us/j/89426085834. Make sure the browser is up-to-date. When the Chair calls for the item on which you wish to speak, click "raise hand". Please limit your remarks to three minutes.
  9. 3. Call the Zoom phone number: 1-669-900-6833. (Meeting ID: 894-2608-5834). When the Chair calls for the item on which you wish to speak, press *9 to raise hand. Please limit your remarks to three minutes. **Please note that phone numbers in their entirety will be visible online while speakers are speaking**
  10. 10 For more information, please contact us via telephone at (707) 253-4417 or send an email to meetingclerk@countyofnapa.org. ANY MEMBER OF THE AUDIENCE DESIRING TO ADDRESS THE COMMITTEE: ON A MATTER ON THE AGENDA Please proceed to the podium when the matter is called and, after receiving recognition from the Chair, give your name and your comments or questions. In order that all interested parties have an opportunity to speak, please be brief and limit your comments to the specific subject under discussion. Time limitations shall be at the discretion of the Chair or Committee, but is generally limited to three minutes. ON A MATTER NOT ON THE AGENDA Public comment is an opportunity for members of the public to speak on items that are not on the agenda but are within the subject matter jurisdiction of the Committee. Public comment is limited to three minutes per speaker, subject to the discretion of the Chair. Comments should be brief and focused, and speakers should be respectful of one another who may have different opinions. Please remember this meeting is being recorded and broadcasted live via ZOOM. The County will not tolerate profanity, hate speech, abusive language, or threats. Also, while public input is appreciated, the Brown Act prohibits the Committee from taking any action on matters raised during public comment that are not on the agenda.
  11. 1. CALL TO ORDER; ROLL CALL
  12. 2. PUBLIC COMMENTS AND RECOMMENDATIONS (The Committee invites comments and recommendations from the public concerning issues relevant to the charge of the Technical Advisory Group. Anyone who wishes to speak to the Technical Advisory Group on such a matter, if it is not on the agenda, may do so at this time. At the discretion of the Chair, individuals will be limited to a three-minute presentation. No action will be taken by the Technical Advisory Group as a result of any item presented at this time.)
  13. 3. APPROVAL OF MINUTES
  14. A. The Secretary of the committee requests approval of the minutes from the December 11, 2025 TAG meeting. 26-399
  15. 4. REPORTS AND ANNOUNCEMENTS
  16. 5. ADMINISTRATIVE ITEMS
  17. A. Miguel A. Garcia PhD, Senior Project Manager, Agriculture, Resource Conservation District of Napa County, will make a presentation to the TAG on a regional soil health and water storage assessment in dry-farmed vineyards funded by the California Department of Water Resources to better understand and promote dry-farming practices for water conservation and climate resilience. 26-401
  18. B. Technical Advisory Group (TAG) members will receive a presentation on Project 1 of GSP Implementation: Managed Aquifer Recharge, including an update on the feasibility study development underway. In addition, the TAG will also receive an update on a vineyard replant modeling scenario that assesses the potential benefit over a 30-year period associated with extending the timeframe for vineyard replants in Napa Valley. The results of a preliminary modeling approach to assess recharge opportunities will also be presented. This is intended to spur discussion and questions, and provide feedback to staff and participants. 26-414
  19. C. Dr. Bachand will provide information on the development and implementation of the Alexander Valley On-Farm Recharge Initiative. Phase 1 of a multi-phase project, led by the Dry Creek Rancheria of Pomo Indians, is underway to utilize nearly 3,000 acres of active or fallow vineyards for recharge from diverting high flows off the Russian River. 26-404
  20. 6. FUTURE AGENDA ITEMS
  21. 7. ADJOURNMENT
  22. 22 I HEREBY CERTIFY THAT THE AGENDA FOR THE ABOVE STATED MEETING WAS POSTED AT A LOCATION FREELY ACCESSIBLE TO MEMBERS OF THE PUBLIC AT THE NAPA COUNTY ADMINISTRATIVE BUILDING, 1195 THIRD STREET, NAPA, CALIFORNIA ON MARCH 9, 2026 BY 12:30 PM. A HARDCOPY SIGNED VERSION OF THE CERTIFICATE IS ON FILE WITH THE COMMITTEE CLERK AND AVAILABLE FOR PUBLIC INSPECTION.
  23. 23 AIME RAMOS (By e-signature) Aime Ramos, Committee Clerk