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Toxics Cleanup Program


UNDERGROUND STORAGE TANKS (USTs)

TAKING AN UST OUT OF SERVICE




If you are temporarily or permanently closing your tanks, the following items may be required:

TEMPORARY CLOSURE PERMANENT CLOSURE
Required forms: Required forms:
Guidance: Required documents:

 

  • Site Assessment/Report3

 


All forms, checklists and reports must be submitted to:
Department of Ecology
Underground Storage Tanks
P.O. Box 47655
Olympia, WA 98504-7655

Check with your local city and county authorities to determine if there are additional requirements associated with your UST System(s).




1Formerly Closure & Site Assessment Notice
2The author of this report must be ICC-Certified or a registered professional engineer.