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Water Information Links
Colusa Groundwater Authority Website
The Colusa Groundwater Authority is the Groundwater Sustainability Agency for the Colusa County portions of the groundwater basins that are subject to the Sustainable Groundwater Management Act. Visit this 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)
Local SGMA Planning and Implementation by the Colusa Groundwater Authority

DWR Sustainable Groundwater Management Information Page:

SGMA Legislation Text_11.10.2015

SGMA Implementation Timeline Chart

DWR Groundwater Sustainability Program Draft Strategic Plan



DWR Groundwater Information Center:

Well Owner Information:

Click this link to read a good overview on California Groundwater, including information on SGMA (June, 2016):


Water Conditions

DWR Information on Current Water Conditions:

California Data Exchange Center:

California Statewide Water Conditions:

Daily Reservoir Storage:

Daily Reservoir Conditions Chart:

Central Valley Project Daily Report:



Be Prepared for Drought-related Well Outages
Click here to download the Colusa County DROUGHT PREPAREDNESS FLYER.

University of California Drought Management:

DWR Drought Information Center:

California Office of Emergency Services Weekly drought summary:

CDFA Drought Resources for Farmers, Ranchers & Farm Workers:

Save Our Water:

U.C. Davis California Drought Watch: