Washington Landfills: What you need to know

Governing Law and Regulations

Dangerous waste landfill rules: Washington Administrative Code (WAC) 173-303-665 and WAC 173-303-400 (interim status)

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Construction quality assurance program: WAC 173-303-335

Response action plan: WAC 173-303-665(9)

Solid (nondangerous) waste landfill rules: WAC 173-304-460 to 468 and WAC 173-351

Disposal facility performance standards: WAC 173-303-283

Dangerous waste landfill disposal restrictions: WAC 173-303-140, WAC 173-303-400(3)(c)(xiii)(A), and WAC 173-303-665(1)

Dangerous waste landfill location standards: WAC 173-303-282

Lab packs: WAC 173-303-161

Disposal of extremely hazardous waste (EHW) at Hanford: WAC 173-303-700

Regulatory Agency

Washington Department of Ecology (WDOE)

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. At present, Washington has no commercial landfills that accept dangerous waste (DW) or extremely hazardous waste (EHW). However, the state's DW management program retains DW landfill regulations that follow the federal rules and additional state requirements. The state's regulations for DW landfills focus on disposal restrictions, location standards, performance standards, and lab packs. The state has a special facility at Hanford that manages the DW and EHW generated exclusively on that site.

Washington has its own rules for solid (nondangerous) waste landfills. The federal solid waste landfill requirements also apply in Washington. See the state section SOLID WASTE for more information.

Administration and enforcement. WDOE administers and enforces both the dangerous and solid (nondangerous) waste landfill requirements in Washington.


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State Requirements

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Washington Landfills Resources

Landfills Products

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