Resources

A public meeting was hosted by the Corning Sub-basin Groundwater Sustainability Agency (CSGSA) on Monday, March 2 at the Hamilton City Community Hall (300 Broadway Avenue Hamilton City, CA 95951).

Updates were shared on groundwater conditions and ongoing efforts to implement the Corning Subbasin Groundwater Sustainability Plan. This was a great opportunity to hear what’s happening locally, ask questions, and stay involved.

Please see materials related to the meeting below.

• Meeting Flyer
• Meeting Presentation
• Meeting Summary (coming soon!)

NEW- See Webinar Materials below!

The Pilot Domestic Well Mitigation (DWM) Program is a regional initiative to protect and support residents whose drinking water wells have been impacted by declining groundwater levels or land subsidence. The program is jointly led and funded by the Colusa Groundwater Authority, Glenn Groundwater Authority, and the Corning Sub-basin Groundwater Sustainability Agency, reflecting a shared commitment to protecting access to safe and reliable drinking water while responsibly managing our groundwater resources.

The Pilot DWM Program provides assistance to eligible applicants to restore their drinking water supply and to implement long-term solutions that address drinking water well impacts and meet household water needs.

Services are available to eligible applicants within the Colusa and Glenn County portions of the Colusa and Corning Subbasins who meet the following criteria:

• Well must be located within the Pilot DWM Program area (refer to map below).
• Well must be a drinking water well used primarily for household drinking water supply.
• Well has experienced an impact caused by groundwater level decline or land subsidence (not routine maintenance or normal wear and tear).
• Well has not previously received assistance through this DWM Program.

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What will you need to begin the application?

• Applicant contact information
• Well Owner contact information
• Well Type (Use) and Location information
• Well issue (dry, reduced water, etc.) and approximate date issue began
• Well construction information (if known)- optional
• Prepared to submit an application fee following a completeness review (will be contacted with details)

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View informational flyer: Pilot Domestic Well Mitigation Program Overview

Submit an application online: Pilot Domestic Well Mitigation Program Application (online application link)

Download and mail or hand deliver a printed application: Pilot Domestic Well Mitigation Program Application (pdf application)

Printed applications may be mailed or hand delivered to Lisa Hunter at 225 N. Tehama St., Willows, CA 95988. 

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A webinar introducing the Program was held January 23, 2026.  Materials from the webinar are linked below.

• Webinar Flyer
• Webinar Presentation
• Webinar Recording