On behalf of the Colusa Groundwater Authority (CGA) and Glenn Groundwater Authority (GGA), we are pleased to offer an opportunity to review the Public Review Draft Groundwater Sustainability Plan (GSP) for the Colusa Subbasin.  The GSP is being prepared as a requirement of the Sustainable Groundwater Management Act of 2014 (amended 2015). Click HERE to download the draft Colusa Subbasin Groundwater Sustainability Plan

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