TO: Technical Advisory Group for the Napa County Groundwater Sustainability Agency
FROM: Brian D. Bordona, Director of Planning, Building and Environmental Services
REPORT BY: Jamison Crosby, Natural Resources Conservation Manager
SUBJECT: Update on the Water Conservation and Groundwater Pumping Reduction Workplans Implementation
RECOMMENDATION
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Technical Advisory Group (TAG) members will receive a presentation on the revised version of the NCGSA Water Certification Partnership document. In addition, the TAG will also receive an update on the extended replanting concept. This is intended to spur discussion, questions, and provide feedback to staff and participants.
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Procedure
Staff introduces.
Questions and answers with the TAG.
Public comments.
BACKGROUND AND DISCUSSION
The Napa County Groundwater Sustainability Agency (NCGSA) is implementing the Water Conservation (WC) and Groundwater Pumping Reduction (GPR) Workplans (March 2024). The WC Workplan identified a suite of water conservation practices and the GPR Workplan developed an implementation plan to achieve measurable groundwater pumping reductions and overall water savings in the Napa Valley Subbasin (Subbasin). GPR implementation includes a voluntary, incentive-driven program for growers and other water users/industries in the Subbasin to adopt and expand water conservation practices. Mandatory measures are also included if the voluntary incentive-driven programs are insufficient. Napa Valley Subbasin Groundwater Sustainability Plan (GSP) implementation also includes evaluation of on-farm practices to increase infiltration (recharge).
The TAG has received information and presentations regarding WC, GPR, and certification program concepts, incentives, outreach, and benchmarking from NCGSA staff and consultants at TAG meetings in 2022, 2023, 2024, and 2025. A water conservation certification program concept was presented at prior TAG meetings, including an overview of the program concept and an...
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