Cosumnes Groundwater Authority

Cosumnes Groundwater Authority (CGA)

In November 2021, the 7 Groundwater Sustainability Agencies (GSAs) within the Cosumnes Subbasin formed the Cosumnes Groundwater Authority (CGA). The CGA is charged with the responsibility of implementing the Cosumnes Subbasin Groundwater Sustainability Plan and meet the California Sustainable Groundwater Management Act (SGMA) requirements for the Cosumnes Subbasin.

  1. Joint Powers Authority (JPA) agreement to form the Cosumnes Groundwater Authority for GSP implementation
  2. Initial Funding and Revenue Agreement

CGA Meetings

The CGA meets on the third Mondays of the month at 9:00a (unless noted otherwise). Until the CGA has an independent website, the meeting notice and agenda will be posted here on the Cosumnes Subbasin SGMA Working Group website. 

Meeting Information*
Location: Community Conference Room at the Galt Police Station
455 Industrial Dr., Galt, CA 95632

Additionally, a Zoom call-in option will also available:
Refer to the Meetings Page for CGA Meeting Zoom Info

*Refer to the Agenda Packet or the Meetings Page to confirm the location for each upcoming CGA meeting. Due to COVID, some meetings may be held virtually

Next Meeting: January 21, 2021 [ONLINE ONLY]View Agenda Packet
(Note: Meeting rescheduled. No CGA meeting on January 19)

Zoom Link:
Meeting ID: 844 7484 8919  Dial in:   +1 669 900 9128


Click here to find past CGA meeting materials

Have Questions? If you have any questions regarding the Cosumnes Groundwater Authority please contact Austin Miller, Cosumnes Subbasin Groundwater Sustainability Plan Interim Plan Manager, at 916-526-5447 or

Want to receive updates about the CGA? If you are already subscribed to the Cosumnes Working Group list-serve, you will automatically receive updates. 

Past CGA Meetings

December 20, 2021: Agenda Packet | Minutes

November 29, 2021: Agenda Meeting Packet | Minutes and Resolutions