Qualco Energy Digester - When Farms and Fish Work Together Tulalip Tribes partner with Werkhoven Dairy to produce power through Qualco Energy. Partner FFF entity news, Snohomish BasinKari QuaasNovember 18, 2021Snohomish County, Tulalip Tribes, Qualco Energy Facebook0 Twitter LinkedIn0 Reddit Tumblr Pinterest0 0 Likes