Washington Hazardous Waste Disposal regulations & environmental compliance analysis

Washington Hazardous Waste Disposal: What you need to know

Governing Law and Regulations

Hazardous waste disposal facility permit rules: Washington Administrative Code (WAC) 173-303-800 to 173-303-840

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Disposal facility location standards: WAC 173-303-282

Hazardous waste surface impoundment requirements: WAC 173-303-650 and WAC 173-303-400 (interim status)

Hazardous waste land treatment facility rules: WAC 173-303-655 and WAC 173-303-400 (interim status)

Hazardous waste incineration rules: WAC 173-303-670 and WAC 173-303-400 (interim status)

Hazardous waste landfill rules: WAC 173-303-665 and WAC 173-303-400 (interim status)

Definition of disposal: WAC 173-303-040

Land disposal restrictions (LDRs): WAC 173-303-140

Regulatory Agency

Washington Department of Ecology (WDOE) Hazardous Waste and Toxics Reduction Program

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. At the lower end of Washington's waste management hierarchy is waste disposal. The state prefers waste reduction, recycling, treatment, incineration, and stabilization and solidification over disposal. In light of the state's philosophy, it is no surprise that Washington's disposal standards for dangerous waste are more stringent than the federal standards. The state's more stringent requirements apply to: definition of disposal, land disposal restrictions (LDRs), and disposal facility permits.

The state also has additional design, operating, and post-closure rules for land disposal facilities. See the state sections CLOSURE AND POST-CLOSURE PLANS, LANDFILLS, LAND TREATMENT, SURFACE IMPOUNDMENTS, and UNDERGROUND INJECTION WELLS for more information.

Administration and enforcement. WDOE's Solid ...


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Washington Hazardous Waste Disposal Resources

Type Title
Forms ADEM Disposal Approval Request Form 278
See all Hazardous Waste Disposal Resources