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Island County

Biosolids in Island County

What are Biosolids, and why should we care? WHAT: Biosolids are a fertilizer and soil conditioner made from human septage which has been filtered and aerobically digested, nearly eliminating pathogens. EPA requires all biosolids to be tested for heavy metals and pathogens. WHY SHOULD WE CARE? We all produce septage and it has to go somewhere. Currently biosolids are transported off island at a considerable cost (ie $700,000 in 2019). Click here to learn more about Biosolids, what they are, how they are applied, and what concerns exist.

Connecting People, Resources and Knowledge

WSU Extension programs connect the people and communities of Island County with the knowledge base of Washington State University to promote quality of life and advance economic well-being through fostering inquiry, learning, and the application of research.

County Programs

Master Gardener Volunteer Training

A seed sprounting in soil

Are you a Camano or Whidbey Island gardener? Do you enjoy learning and sharing your knowledge with others? Maybe you have just moved to the area and want to get involved in the community? Then the WSU Extension Island County Master Gardener Volunteer program may be just what you are looking for!

The Master Gardener program trains volunteers to work in partnership with WSU Extension to teach research-based gardening and environmental stewardship practices to county residents, while at the same time learning and having fun working with other like-minded volunteers.

Apply soon! Training begins March 28. More information and application here.

View Whidbey Television’s new video overview of the


Island County Master Gardeners

Educational Garden at Greenbank Farm


WSU Extension, Island County

406 N. Main Street
Coupeville, WA 98239
(360) 639-6060


Mar 01

Camano 101: Living on an Island

March 1 @ 1:00 PM - 4:00 PM
Mar 09
Mar 12
Mar 14
Mar 24

Island County 4-H Horse Leaders Meeting

March 24 @ 6:00 PM - 7:30 PM
Mar 28

Master Gardener Training

March 28 @ 9:00 AM - 12:00 PM