GRAC Related Agenda Materials & Reports

GRAC Agendas and Minutes

Related Materials

November 5, 2014 - Water Availability Analysis Public Workshop

  1. Water Availability Analysis Update Public Workshop Agenda (PDF)
  2. Handout: Summary of Draft Changes to the Three Tier Procedure in the Water Availability Analysis (WAA) (PDF)
  3. Introduction Presentation provided by Patrick Lowe (PDF)
  4. WAA Overview Presentation and Proposed Updates provided by Steve Lederer (PDF)

April 8, 2014 - Final Report and Recommendations to the Board of Supervisors

  1. Item 9b Final Update on the Conclusions and Recommendations of the Groundwater Advisroy Committee (PDF)

March 10, 2014 - Groundwater Workshop

  1. Presentation - GRAC Update - Monitoring for Sustainability (PDF)
  2. Presentation - Understanding Groundwater in Napa County (PDF)
  3. Presentation - 2014 Drought Update (PDF)

March 10, 2014 - Groundwater Reports and Monitoring Plan

  1. Updated Hydrogeologic Conceptualization and Characterization of Groundwater Conditions (Full Report 32Mb - Jan. 2013) (PDF)
  2. Napa County Groundwater Monitoring Plan (Jan. 2013) (PDF)

February 27, 2014

  1. Item 3b Handout - GRAC Work Plan (PDF)
  2. Item 5a Presentation - 2014 Drought Update (PDF)
  3. Final Meeting - Summary (PDF)

July 25, 2013

  1. Presentation - GRAC Outreach (PDF)

June 27, 2013

  1. Item 3d Handout - Response to GRAC Questions regarding Soil Root-Zone Water Balance Model (PDF)
  2. Item 3d Handout - Estimated Recharge in Napa Valley Area by Hydrogeologic Period (PDF)

April 25, 2013

  1. Item 5b Handout - Follow-Up Question - MST Geology (PDF)
  2. Item 5b Handout - Updated Hydrogeologic Report and Groundwater Monitoring Plan Cliff Notes (PDF)

February 28, 2013

  1. 2013 Updated Hydrogeologic Conceptualization and Characterization of Groundwater Conditions (Full Report 32mb) (PDF)
  2. 2013 Napa County Groundwater Monitoring Plan (PDF)

January 31, 2013

  1. Item 5c Presentation - Updated Hydrogeologic Conceptualization Part 1 - Report Overview and Recharge (PDF)
  2. Item 6a Handout - Draft Groundwater Data Management and Disclosure (PDF)

October 25, 2012

  1. Item 3c Handout - GRAC Work Plan Timeline (PDF)
  2. Item 5a Handout - Outline of Groundwater Data Mgmt. and Disclosure Guidance Document (PDF)
  3. Item 5a Handout - Publication of Data and Data Mgmt. and Disclosure Procedures (PDF)
  4. Item 5a Presentation - Groundwater Data Management and Disclosure (PDF)
  5. Item 5a Presentation - Landowners Perspective on Groundwater Monitoring (PDF)
  6. Item 5b Presentation Draft Napa County Groundwater Monitoring Plan (PDF)

August 23, 2012

  1. Item 5a Presentation - Draft Napa County Groundwater Monitoring Plan (PDF)

July 26, 2012

  1. Presentation - Update on WICC Board Activities (PDF)
  2. Presentation - Update on GRAC Activities (PDF)
  3. Handout - Draft GRAC Outreach Brochure (PDF)

June 28, 2012

  1. Item 5b Presentation - Draft Groundwater Monitoring Plan 2012 (PDF)
  2. Item 5b Handout - Draft Groundwater Monitoring Plan 2012 (PDF)
  3. Item 6b Handout - CASGEM and Napa County Programs Participant Letter (PDF)
  4. Item 6b Handout - GRAC General Outreach Brochure (PDF)

April 26, 2012

  1. Item 5a Presentation - Groundwater Conditions and Monitoring Recommendations (PDF)
  2. Item 5a Presentation - Conceptualization and Characterization of Hydrogeologic Conditions (PDF)
  3. Item 5a Handout - Updated Comments and Questions Regarding Groundwater Conditions (PDF)
  4. Item 5b Presentation - History and Update on the Milliken-Sarco-Tulocay (MST) Basin (PDF)
  5. Item 5c Presentation Groundwater Monitoring Plan Annotated Outline (PDF)

February 23, 2012

  1. Item 5a Presentation - Groundwater-Surface Water Interaction (PDF)
  2. Item 5b Presentation - Sonoma County Groundwater Monitoring Program (PDF)
  3. Item 5f Presentation - Well Location/Confidentiality (PDF)
  4. Item 5f Handout - State Water Code and Well Completion Report Form (PDF)

December 12, 2011

  1. Item 3b Handout - Signed Resolution Amending Bylaws (PDF)
  2. Item 5a Presentation - Groundwater Study Results Part 2 (PDF)
  3. Item 5a Handout - Comments and Questions Regarding Groundwater Conditions (PDF)
  4. Item 5a Handout - Requested Groundwater Study Area Maps w/Roads (PDF)
  5. Item 5b Presentation CASGEM Program Update (PDF)
  6. Item 5b Handout - CASGEM Well Location Accuracy (PDF)

October 27, 2011

  1. Item 6a Handout - County Groundwater Policies (PDF)
  2. Item 6b Presentation - Stakeholder Assessment (PDF)
  3. Item 6c Presentation - Groundwater Study Part 1 (PDF)

Groundwater Reports and Data