Napa-Sonoma Valley – Napa Valley
Statistics
- Basin Name
- Napa-Sonoma Valley – Napa Valley
- Basin Number
- 2-002.01
- SGMA Basin Priority
- High
- Critically Overdrafted
- No
- Hydrologic Region Name
- San Francisco Bay
- Counties
- Napa
- Adjacent Basins
Basin Notes
2003: Bulletin 118 2003 basin description
2018: Final Basin Prioritization: High.
2022: January 31 – GSP submitted to DWR
2023: January 26 – GSP approved by DWR
At-A-Glance

California Water Library Documents About This Basin
Statement of Findings regarding the Approval of the Napa-Sonoma Valley Basin -- Napa Valley Subbasin Groundwater Sustainability Plan
California Department of Water Resources (DWR) | January 26th, 2023
Napa Valley Subbasin Groundwater Sustainability Plan
Napa County | January 31st, 2022
Napa County Comprehensive Groundwater Monitoring Program 2016 Annual Report and GASGEM Update
Napa County | March 15th, 2017
A Napa County Groundwater Monitoring Plan 2013 (Plan) was prepared to formalize and augment groundwater monitoring efforts conducted as part of a Comprehensive Groundwate
Conceptual Model Review of Napa Valley Groundwater Model
Napa County | November 15th, 2010
The purpose of this technical memorandum is to provide a general review of the Napa Valley Groundwater model (groundwater model) produced by DHI Water & Environment (
Napa County Baseline Data Report, Chapter 16, Groundwater Hydrology
Napa County | November 30th, 2005
This chapter summarizes the basic groundwater hydrology of Napa County and documents the construction of a local integrated groundwater model. The groundwater hydrology a