TO: Napa County Groundwater Sustainability Agency (NCGSA)
FROM: Brian Bordona - Interim Director of Planning, Building, and Environmental Services
REPORT BY: Jamison Crosby, Natural Resources Conservation Manager
SUBJECT: Groundwater Sustainability Plan (GSP) Annual Report - Water Year 2022
RECOMMENDATION
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Interim Director of Planning, Building, and Environmental Services requests the Board of Directors of the Napa County Groundwater Sustainability Agency (NCGSA):
1. Receive the Napa County Groundwater Sustainability Annual Report - Water Year 2022 ("Annual Report") on groundwater conditions in Napa County with a focus on the Napa Valley Subbasin;
2. Receive a summary of the of the NCGSA Technical Advisory Group's key 2022 discussion topics; and
3. Approve the submittal of the Annual Report to the California Department of Water Resources (DWR).
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EXECUTIVE SUMMARY
As in the past eight consecutive annual reports, this Napa County Groundwater Sustainability Annual Report - Water Year 2022 (link: 2022-Napa-County-Groundwater-Monitoring-Annual-Report (countyofnapa.org)) includes an update on groundwater conditions in the Napa Valley Subbasin and elsewhere in Napa County. This is the second Annual Report prepared to support implementation of the Napa Valley Subbasin Groundwater Sustainability Plan (GSP), adopted by the NCGSA and submitted to DWR in January 2022 and approved by DWR on January 26, 2023. This Annual Report reflects an ongoing commitment by the County and NCGSA to sustainably manage groundwater resources by implementing an adaptive management approach supported by best available information. To better manage and respond to changing conditions, the NCGSA formed a Technical Advisory Group (TAG) to advise the NCGSA and aid in the implementation of the Napa Valley Subbasin GSP. The five-member committee was first convened on August 11, 2022.
Water Year 2022 (defined as October 1, 2021 through September 30, 2022) saw a continuation of drought ...
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