Santa Rosa Plain Groundwater Basin

View Santa Rosa Plain Groundwater Basin Map

Are You in the Santa Rosa Plain Groundwater Basin?

There is a tool on the California Department of Water Resources website that can help you determine the basin where your property is located.

Go to

Some basic instructions:

      1. On the right side of the page, check the box that reads “Bulletin 118 Groundwater Basins.”
      2. Type the property address into the search bar on the map.
      3. A dot will appear that identifies the property location.
      4. The name of the basin will also be in the map.

Santa Rosa Plain Groundwater Sustainability Agency

The Santa Rosa Plain Groundwater Sustainability Agency is a newly formed public agency and its purpose is to secure groundwater sustainability for the Santa Rosa Plain groundwater basin. The agency has a governing board and an advisory committee.

Scheduled Meeting Dates

For more information on GSA Board meetings, click here. For more information on advisory committee meetings, click here.

Board of Directors Meetings Advisory Committee Meetings
December 14, 2017 – Canceled February 12, 2018 – 3:00 pm
February 8, 2018 – 1:00 pm April 9, 2018 – 3:00 pm
April 12, 2018 – 1:00 pm May 7, 2018 – 3:00 pm
June 14, 2018 – 1:00 pm July 9, 2018 – 3:00 pm
  September 10, 2018 – 3:00 pm
  November 5, 2018 – 3:00 pm