Skip to main content Skip to navigation


Master Gardeners help solve plant problems

Water Quality Resources

Washington State University’s Columbia County Extension Office and staff connect the people of Columbia County to the research and knowledge base of the state’s land grant research university. This knowledge base provides solutions to local issues and concerns while stimulating the local economy. Our county-based faculty work with partners in the local communities to provide educational programs and leverage the broad resources of a major university to create a positive future for the residents of Columbia County.

County Programs

Columbia County Extension

137 E. Main Street
Dayton, WA

Extension programs and employment available to all without discrimination. Evidence of non-compliance may be reported through your local Extension Office.

Current Links



Working Forests for Landowners–Workshop

This workshop will be held at the Columbia County Fairgrounds on March 24, 2018.  Print a brochure through the link listed below.  Register early!

Read more about Forestry Opportunities and news at