Water Information Links

 Colusa Groundwater Authority Website

The Colusa Groundwater Authority (CGA) is the Groundwater Sustainability Agency for the Colusa County portions of the groundwater basins that are subject to the Sustainable Groundwater Management Act. Visit the CGA website to learn about local SGMA planning and implementation.

Colusa Groundwater Facebook Page

Please visit and "like" the Colusa County Groundwater Facebook Page

Water Resources Updates - Newsletter

Sustainable Groundwater Management Act (SGMA)


Water Conditions