UNDERGROUND STORAGE TANKS (USTs)*
Overview of Program
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.
Changes to UST Regulations
On August 8, 2012, the Department of Ecology (Ecology)
adopted changes to Chapter 173-360 WAC, Underground Storage Tank Regulations. The changes will be published in the
Washington State Register on September 5, 2012, and become
effective on October 1, 2012 (view
To learn more about the changes and get copies of the adopted rule amendments, click here.
Compliance with New Operator Training Requirements
Under the adopted rule amendments, operators must be trained by December 31, 2012. To learn more about operator training requirements and training opportunities, click here.
American Recovery and Reinvestment Act
Overview of the American Recovery and Reinvestment Act (ARRA) and Leaking Underground Storage Tank Sites in Washington State... (more
Underground Storage Tank Compliance Act of 2005
In 2005, Congress passed the Energy Policy Act. Title XV, Subtitle B of this act (titled the Underground Storage Tank Compliance Act) contains amendments to Subtitle I of the Solid Waste Disposal Act, the original legislation that created the federal UST program. The Act requires state UST programs receiving federal funding to comply with new federal requirements, including:
To learn more about these new federal requirements, see
* Always check with your local environmental authority as they may have regulations for activities regarding USTs, Oil Water Separator Maintenance and Rules.
Copyright © Washington State Department of Ecology. See http://www.ecy.wa.gov/copyright.html.