Notice: Ecology offices are open by appointment only. Contact us to schedule an appointment. You must complete an online health screening prior to your visit.
Find guidance on complying with Washington's dangerous waste regulations and safely managing hazardous waste. Find information on Washington's Hazardous Waste Generation Fee and Pollution Prevention Planning Fee.
Guidance on complying with Washington's dangerous waste regulations.
Resources and technical assistance for businesses in Washington.
Businesses with hazardous chemicals or dangerous waste must submit reports; may be subject to fees.