Washington Underground Storage Tanks regulations & environmental compliance analysis

Washington Underground Storage Tanks: What you need to know

Governing Law and Regulations

Washington Underground Storage Tanks (UST) Act, Revised Code of Washington (RCW) 90.76, and regulations at Washington Administrative Code (WAC) 173-360

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Washington Petroleum UST Act, RCW 70.148

Applicability: WAC 173-360-110

Exemptions: WAC 173-360-110

Notification: WAC 173-360-200

Intent to install: WAC 173-360-200

Emergency replacement of a UST: WAC 173-360-200(5)

New system in use: WAC 173-360-200(2)

Annual tank fee: WAC 173-360-190

Secondary containment: WAC 173-360-800 to 173-360-830

Delivery prohibition: RCW 90.76.050 and WAC 173-360-165

Certification/licensing: WAC 173-360-600 and WAC 173-360-670

Operator training: RCW 90.76.020 and WAC 173-360-710 to 173-360-760

Operator classifications: WAC 173-360-120

Training requirements: WAC 173-360-710 to 173-360-760

Operation and maintenance plans: WAC 173-360-745

Emergency response requirements: WAC 173-360-750

Recordkeeping: WAC 173-360-760

Spill reporting: WAC 173-360-375 and WAC 173-340-450

Release reports: WAC 173-340-450

Closure: WAC 173-360-385

Enforcement: WAC 173-360-170

Recordkeeping: WAC 173-360

Regulatory Agency

Washington Department of Ecology (WDOE) Toxics Cleanup Program UST Section

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

• Rules. Washington State has a federally approved state underground storage tank (UST) program. This means that state law, not federal law, applies to UST systems in this state. Washington's UST rules include the federal standards and several state rules. The state has its own UST registration requirements, fees, release notification rules, and installer certification rules. Washington has also established ...

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More on this topic:

Governing Law and Regulations
Regulatory Agency
Comparison: State vs. Federal
State Requirements
Additional Guidance
Guidance Document