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Comments Due By 12/3

255 N. Forbes Street
Lakeport, California 95453
Telephone (707) 263-2344
Fax (707) 263-1965

Scott De Leon
Water Resources Director

Marina Deligiannis
Deputy Water Resources Director

Big Valley Basin Draft Groundwater Sustainability Plan (Draft GSP) Public Review and Comment Period – All Comments Due By December 3, 2021

LAKE COUNTY, Calif (November 16, 2021) – On behalf of the Big Valley Groundwater Sustainability Agency (GSA) and Big Valley Groundwater Sustainability Plan Advisory Committee (GSPAC), we are pleased to offer an opportunity to review the public Draft Groundwater Sustainability Plan (Draft GSP) for our Big Valley Groundwater Basin (5-015). The Big Valley Draft GSP is being prepared pursuant to the requirements of the Sustainable Groundwater Management Act of 2014 (amended 2015).

The Big Valley Basin Draft GSP is now available for review during a formal 21-day public comment period from November 12–December 3, 2021. We are looking forward to receiving your feedback. Here are a few details for providing your written comments:

  • When submitting comments, please include the Draft GSP section number to which you are referring, along with any line numbers that relate to the content you are referencing. Each section is labeled, and you will find line numbers on the left side of each document.
  • If you have comments on tables or figures in the Draft GSP, please provide the number and title for tables and figures you are referencing.
  • If you have multiple comments, please organize them by section.
  • Please also note, any comments submitted become part of the public record.

All comments on the Draft GSP must be submitted by December 3, 2021, in one of three ways:


By email: 

[email protected]
Please include “Draft GSP Comments” in the subject line

By postal mail:

Big Valley Basin Draft GSP Comments
c/o Lake County Water Resources Department
255 N. Forbes Street, Room 309
Lakeport, CA 95453

In-person drop-off:

Water Resources Front Desk
Big Valley Basin Draft GSP Comments
Attention: Lake County Water Resources Department
255 N. Forbes Street, Room 309
Lakeport, CA 95453

If you have questions regarding the Draft GSP public comment period, or if you have any issues accessing the Draft GSP files, please contact us at [email protected] or at (707) 263-2344.

You can find all GSP-related meetings in our archive, including meeting agendas, presentation materials, and recordings:
To receive updates about GSP development and future implementation, please sign up for the Big Valley Basin GSP Interested Parties list:

Community Visioning Planning

Meeting to be held Wednesday, 1/5, at 6pm

More Info