TO: Technical Advisory Group (TAG) 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: Comment letter regarding the State Water Resources Control Board's Water Supply and Demand Assessment for the Napa River Watershed
RECOMMENDATION
title
Review draft final comment letter from the TAG expressing concerns related to the State Water Resources Control Board's (State Water Board) Supply and Demand Assessment Unit and Paradigm Environmental, Inc. project to model water supply and demand in the Napa River Watershed.
The TAG will be asked to: 1. Authorize and approve TAG Chair, Albert Filipelli, to sign the letter and 2. Recommend the NCGSA Board of Directors authorize and approve staff to send the letter on the TAG's behalf following the NCGSA's meeting on December 3, 2024.
body
Procedure
Staff introduces.
Questions and answers with the TAG.
Public comments.
Vote
BACKGROUND AND DISCUSSION
The Technical Advisory Group received a presentation from the State Water Board and their consultants, Paradigm Environmental, Inc., on a project called "Modeling Water Supply and Demand in the Napa River Watershed" on September 12, 2024. The State Water Board is responsible for allocating surface water through California's water rights priority system. The presentation provided an overview of the modeling effort proposed in the Napa River Watershed, which is to develop a water supply (hydrologic) model that assesses surface water availability where low flows and drought conditions may threaten water supplies, impair critical habitat, and/or create uncertainty for water users. The State Water Board's stated objective is to better allocate surface water through California's water rights priority system during critical drought periods to maintain water supplies in the Napa River critical for habitat and species. Please see th...
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