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Underground Storage Tank Program (UST)
The Official Website of the Massachusetts Department of Revenue   

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Getting Started in eUST
Register your business or service company and create an account to use eUST.
UST Overview Video Introduction to the UST Program's Online Application Filing System

Welcome to eUST! If you are a registered user and this is your first time logging in, we recommend that
you take a look at the tutorial videos once inside. These are located under the "Help Videos" tab:
  • "SuperUser Admin Functions" will guide you through how to update your organization's profile,
    create new users, and assign rights to an Authorized User.
  • "Reimbursement Applications" will walk you through preparing an Application for
  • "COC Applications" will guide you through completing a Certificate Of Compliance (COC) or a
    COC Renewal Application
If you are not a registered user, please select the Register link above and you will be redirected to a page
with instructions on becoming an eUST user.
eUST Announcements
NOTE: The UST information contained in eUST has been updated from the MassDEP DMS database as of 10/13/2016. If you have made changes in the DMS Database since the last update, you may not be able to proceed with certain applications. Please contact the UST Program if you have any questions.

New features have been added to eUST:
Posted: 8/3/2016

Filing Reconsideration and Conference Requests –Filing a Reconsideration and Conference Request electronically is now available. Once you select a voted claim to View, the “Appeals” option will become available in the left hand navigation bar. For step-by-step filing instructions, please refer to the Filing Appeals help document that can be found under the Help tab.

New Search Filters - The Application Dashboard has new filtering features that will allow you to search for claims that have had Reconsiderations and Conferences submitted in order to help you track any appeals that are in process. 

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