Washington TSDF Responsibilities regulations & environmental compliance analysis

Washington TSDF Responsibilities: What you need to know

Governing Law and Regulations
Regulatory Agency
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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. Washington's rules for dangerous waste treatment, storage, and disposal facilities (TSDFs) include the federal rules and some more stringent state requirements. The state's more stringent rules cover:

—Waste classifications

—Annual reports

—Contingency plans


—Facility design, construction, and operation standards

—TSDF permits

—Facility performance standards

—Closure and post-closure

—Corrective action

—Groundwater standards

—Disposal of dangerous wastes

—Pollution prevention

Administration and enforcement. WDOE's Hazardous Waste and Toxics Reduction Program enforces the TSDF requirements in Washington.

State Requirements


Washington refers to hazardous waste as dangerous waste. Dangerous waste is further classified by the state as either dangerous waste or extremely hazardous waste. The state's dangerous wastes include the federal hazardous wastes and several other types of waste. In addition, the state has a category of waste called "special wastes." For additional information on Washington's waste classifications, see the state sections HAZWASTE DETERMINATION (CLASSIFICATION) and LISTED WASTES.


TSDF owners and operators in Washington must report annually on their dangerous waste activities. The state's yearly reporting ...

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