Napa-Sonoma Valley – Sonoma Valley
Statistics
- Basin Name
- Napa-Sonoma Valley – Sonoma Valley
- Basin Number
- 2-002.02
- SGMA Basin Priority
- High
- Critically Overdrafted
- No
- Hydrologic Region Name
- San Francisco Bay
- Counties
- Sonoma
- Adjacent Basins
Basin Notes
2003: Bulletin 118 basin description
2019: Basin boundary modification approved. Per DWR: It “revises and aligns the shared boundary between Sonoma Valley and Sonoma Lowlands to follow the shared Sonoma and Napa County line.”
2022: January 29 – 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 - Sonoma Valley Subbasin Groundwater Sustainability Plan
California Department of Water Resources (DWR) | January 26th, 2023
Sonoma Valley Groundwater Sustainability Plan
Sonoma Water | January 29th, 2022
California Coastkeeper v. County of Sonoma
Superior Court of California, County of Sonoma | June 21st, 2021
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 (
Geohydrological Characterization, Water-Chemistry, and Ground-Water Flow Simulation Model of the Sonoma Valley Area, Sonoma County, California
U.S. Geological Survey (USGS) | December 14th, 2006
Sonoma County is in the northern part of the greater San Francisco Bay region, an area of Northern California that has experienced rapid population growth and accelerated
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
Bulletin 118: California's Groundwater (1980)
California Department of Water Resources (DWR) | January 1st, 1980
Ground water management is a major issue in California. The Governor's Commission to Review California Water Rights Law, in its December 1978 report, recommends a new g
Geology and Ground Water in the Santa Rosa and Petaluma Valley Areas, Sonoma County, California
U.S. Geological Survey (USGS) | January 31st, 1958