Contaminated dirt/soil is not 100% soil. It is either contaminated with materials like plastic, wood, or metal, or hazardous materials like oil or chemicals.
Soil without Hazardous Material Small amounts of soil can go in your garbage if it contains no hazardous material. Do not exceed weight limits. Large quantities are accepted at the Transfer Station, for a fee. Remove recyclables and garbage from the soil and Dispose of them appropriately. View other disposal options once soil has been cleaned.
Soil with Hazardous Material Dirt/Soil with hazardous materials requires special treatment. Contact the Household Hazards Line at (206) 296-4692.
Seattle Public Utilities | 700 Fifth Avenue, Suite 4900 | PO Box 34018 Seattle, WA 98124-4018 | (206) 684-3000 | Contact Us