Massachusetts Department of Environmental Protection (MassDEP) Underground Storage Tank (UST) Regulations (310 CMR 80.00) address the registration, installation, operation, maintenance, closure and inspection of UST systems used to store petroleum fuels and hazardous substances. Learn more…

News & Updates

Online Filing & Forms

Image of MassDEP UST Online Filing login button

Login to the data management system for owner and operator registration and reporting. If you are a new user, you will need to create an account first.

Regulations, Policies & Compliance

UST Operators

  • 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
  • UST System Operators - November 21, 2016  pdf format of UST System Operators
xls format of                             List of Massachusetts UST System Operators
    All individuals who have passed their Class A, B or A/B Operator exams. This list is updated frequently. There are additional requirements for being certified. See: 310 CMR 80.02(7)&(8)

Financial Responsibility Requirements

Third-Party Inspections & Inspectors

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