HWTR Pollution Prevention

My Watershed

Designation and Disposal

Dangerous Waste Designation

Designation is the process of determining if a waste is dangerous waste and what the hazards are. It’s the first step in managing your dangerous waste properly. Find help here.

Find a Hazardous Waste Service Provider

Find businesses that can help you manage your wastes.

Industrial Materials Exchange (IMEX)

IMEX is a free listing service to help businesses find, buy, sell, or give away surplus materials and reusable wastes.

Treatment by Generator

This Ecology publication explains portions of the Dangerous Waste Regulations, Chapter 173-303 Washington Administrative Code (WAC), that apply to waste treatment by generator (TBG). TBG refers to methods by which generators may treat their own wastes on site without first obtaining a dangerous waste treatment permit.