SCD services and workshops in the Stillaguamish watershed are supported by the Stillaguamish River Clean Water District to help residents improve water quality.

Depending on the class, other sponsors include: Camano Island Wildlife Project, the City of Mill Creek, City of Everett, Horses for Clean Water, Northwest Agriculture Business Center (NABC), Skagit Farm Supply, Washington Conservation Commission, Washington Department of Ecology, and WSU Extension Snohomish County.