Underground Storage Tank (UST) Owner & Operator Information

Learn about compliance requirements, check information the state has on file about your USTs, complete required forms, find a third-party inspector and find out what to do in the event of a leak.

Underground Storage Tank (UST) Operator Certification Program

All UST system owners/operators were required to designate at least one certified Class A, B and C Operator for each tank system by August 8, 2012.

Third-Party Underground Storage Tank (UST) Inspection Program

UST owner/operators are required to have their tanks inspected by August 8, 2010, and every three years thereafter. MassDEP approves third parties to perform these inspections. Learn more about the program and review a current list of approved inspectors.

Underground Storage Tank (UST) Query Tool

Facility owner/operators can check the state's database to verify the information MassDEP has on file about their USTs. Residents can learn about facilities with USTs in their communities and neighborhoods. NOTE: If you are unable to access the Query Tool on your first attempt, please try again later.

Delay of New UST Forms Rollout - April 2015  pdf format of Delay of New UST Forms Rollout - April 2015

Until the new MassDEP online underground storage tank (UST) data management system is available, UST owner/operators and third-party inspectors should continue using the existing FP-290, FP-290R and FP-289 forms to meet their registration, status change and inspection submittal requirements. 

MassDEP Underground Storage Tank (UST) Forms

Register underground storage tanks with MassDEP, notify the agency of changes in their status, and report the results of third-party inspections.

Underground Storage Tank (UST) Regulations & Policies

State gasoline/motor fuel inventory (527 CMR 5.06) and tank/container (527 CMR 9.00) regulations, UST closure assessment manual, site/spill assessment and cleanup regulations, and more.

Summary of Underground Storage Tank (UST) Information

Under the National Energy Policy Act, MassDEP reports annually on the number of active UST facilities across Massachusetts, the number inspected, the findings from those inspections, and the number of confirmed releases reported to the agency.

Underground Storage Tank (UST) Stakeholder Group

This group seeks public and regulated community input on MassDEP UST program, regulation and policy development.

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