Glenn Groundwater Authority

Notice of Intent to Develop a Groundwater Sustainability Plan for the Colusa Subbasin

Press Release: Sustainable Groundwater Management Act (SGMA) Groundwater Sustainability Planning


The Glenn Groundwater Authority was created by forming a Joint Exercise of Powers Agreement, signed by nine local agencies, with the purposes of being a Groundwater Sustainability Agency for the Glenn County portion of the Colusa Subbasin. 

Glenn Groundwater Authority Member Agencies include:

  • City of Orland
  • City of Willows
  • County of Glenn
  • Glenn-Colusa Irrigation District
  • Glide Water District
  • Kanawha Water District
  • Orland-Artois Irrigation District
  • Princeton-Codora-Glenn Irrigation District
  • Provident Irrigation District


The notice declaring the Glenn Groundwater Authority’s decision to become a Groundwater Sustainability Agency and its intent to manage groundwater within the Glenn County portion of the Colusa Subbasin submitted to the Department of Water Resources (DWR) can be found on the DWR SGMA Portal at:

A copy of the Joint Powers Agreement (JPA) and resolutions from each member agency can also be found on the DWR SGMA Portal.


The GGA Board of Directors' Meeting Schedule was revised May 14, 2018.

The GGA Executive Committee Meeting Schedule was approved May 8, 2018.  Meetings are open to the public.  See the GGA Meetings page for more information. 


Meeting Information


Board of Directors