Sustainable Groundwater Management Act (SGMA) Portal

Provide a description of your local agency's water supply, water management, or land use responsibilities within the groundwater basin / basins you intend to manage.
Pursuant to Water Code Section 10723.8 and 10724, Napa County hereby notifies the California Department of Water Resources (DWR) of its decision to become a Groundwater Sustainability Agency (GSA), and its intent to cover the entire unmanaged Napa-Sonoma Valley Basin - Napa Valley Subbasin. This notice is submitted in compliance with Water Code Section 10723 and 10724. Napa County is a local public agency organized as a general law County under the State Constitution and has land use responsibility for the unincorporated areas of the Subbasin proposed to be managed under this GSA.
Are you an "exclusive local agency" listed in Water Code �10723(c)?
No

Please enter the date your local agency, or agencies, decided to become or form a GSA.
12/17/2019
Upload a copy of the Government Code �6066 notice.
Napa-County-GSA-Affidavit-of-Publication-20191217.pdf (1.1MB) Uploaded on 12/17/2019 at 01:53PM
Upload a copy of resolution forming the new agency.
Napa-County-GSA-Formation-Reso2019-152-20191217.pdf (2.3MB) Uploaded on 12/17/2019 at 01:53PM
If desired, please upload or provide additional information related to your local agency's decision to become or form a GSA.
Napa County intends to be the GSA over the entire Napa-Sonoma Valley Basin - Napa Valley Subbasin located within the County's jurisdictional limits. It is the County's intention that no overlap shall occur in the Subbasin. Prior to its decision to become a GSA for the Subbasin, the County Board of Supervisors held a properly noticed public hearing on December 17, 2019. The public hearing was held in accordance with Water Code section 10723(b), and it was noticed on November 30th and December 5th, 2017 in the local Napa Valley Register in accordance with Government Code section 6066. Napa-County-GSA-Public-Hearing-Staff-Report-20191217.pdf (77.9kB) Uploaded on 12/17/2019 at 01:57PM

GSA Name

County of Napa GSA

Select a Point of Contact (POC) for your GSA.
Jamison Crosby
If you anticipate submitting multiple GSA notices on behalf of your local agency/GSA, please consider adding a "Local ID" for reference purposes to distinctly identify separate areas you intend to manage.
Is this a Single-Agency or Multiple-Agency GSA?
SINGLE

Select Basin(s)/Subbasin(s) to be managed by the GSA.
2-002.01 NAPA-SONOMA VALLEY NAPA VALLEY
Upload a PDF map that clearly defines: (1) the service area boundaries of each local agency that is part of your GSA; and (2) the boundaries of the basin(s) or portion of the basin(s) your GSA intends to manage.
Napa-County-GSA-Map-20191217.pdf (1.3MB) Uploaded on 12/17/2019 at 02:04PM
Upload service area boundary GIS shape file.
Napa County GIS Database Napa_County_ServiceArea_EPSG3310_2.zip (210.3kB) Uploaded on 12/17/2019 at 02:59PM
Upload GSA area boundary GIS shape file.
Napa County GIS Database and DWR Basin Mapping Tool Napa_County_GSA_EPSG3310_2.zip (12.9kB) Uploaded on 12/17/2019 at 03:00PM
If desired, please provide information that clarifies your service area boundary and GSA boundary, if those boundaries are different.
Napa County intends to be the GSA over the entire unmanaged Subbasin subject to SGMA that is located within the County's jurisdictional boundaries. The County?s service area boundary is much larger and includes the entirety of Napa County. Napa-County-Service-Area-20191217.pdf (1MB) Uploaded on 12/17/2019 at 02:09PM Napa-County-GSA-Map-20191217.pdf (1.3MB) Uploaded on 12/17/2019 at 02:25PM

Provide a list of interested parties developed pursuant to Water Code Section 10723.2 and an explanation of how their interests will be considered in the development and operation of the GSA and the development and implementation of the GSP.
Napa-County-GSA-List-of-Interested-Parties-20191217.pdf (90.2kB) Uploaded on 12/17/2019 at 02:10PM
Provide a list of the other agencies managing or proposing to manage groundwater within the basin, or upload a document or map that provides the same information.
No other agencies are managing, or proposing to manage, groundwater within the Napa Valley Subbasin at this time. Napa-County-GSA-Map-20191217.pdf (1.3MB) Uploaded on 12/17/2019 at 02:12PM
Provide a description or upload a copy of any new by laws, ordinances, or new authorities adopted by the local agency.
The Napa County GSA adopted bylaws on March 17, 2020 Res 2020-02 Bylaws of the Agency NCGSA sm.pdf (850.4kB) Uploaded on 03/18/2020 at 11:16AM

County of Napa GSA