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
- New Data Management System Goes Live
Convenient online filing has replaced paper-based registration and third-party inspection reporting. Learn more about this change and available training.
- Enforcement Discretion: Installation Testing
Through June 1, 2017, MassDEP will not enforce the requirement that piping be tested before regulated substance is put in the tank.
Online Filing & Forms
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.
- Video: UST Data Management System Introduction
Learn how to create an account to file UST reports online and get acquainted with the user dashboard.
- UST Online Filing & Forms
Register underground storage tanks with MassDEP, notify the agency of changes in their status, and report the results of third-party inspections.
Regulations, Policies & Compliance
- UST Regulations & Policies
Environmental regulations that apply to the use and storage of gasoline and other motor fuels, the installation and operation of underground storage tanks, and the cleanup of oil and hazardous material releases.
- Frequently Asked Questions: 310 CMR 80.00
Learn more about the requirements of the new MassDEP regulations.
- Underground Storage Tank (UST) Program Compliance Information
Learn about UST registration, third-party inspections, compliance deadlines and more.
- UST Facility Search
A searchable, sortable public database of underground storage tank facilities across Massachusetts. Learn about USTs in your neighborhood and the surrounding community.
- 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 - June 30, 2015
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)
Third-Party Inspections & Inspectors
- Third-Party UST Inspection Program
All UST system owners/operators had until August 8, 2010, to have their systems inspected by MassDEP-approved Third-Party Inspectors (TPIs). Inspections need to be repeated every three years.
- Third-Party UST Inspector Frequently Asked Questions
Learn more about the role TPIs play in keeping UST systems in compliance with MassDEP requirements
- Massachusetts UST Facilities' Next Third-Party Inspection Due Dates - June 15, 2015 file size 2MB
This list is updated frequently. NOTE: Facilities are listed in ID Number order, but may be sorted by name, location, etc. in MS Excel. TPI reports are due 14 days after inspections are completed.
- Third-Party UST Inspectors
List of individuals qualified to perform third-party inspections in Massachusetts.
Other Helpful Links
- Report an Environmental Emergency
Instructions for notifying MassDEP of a UST leak or release of fuel, oil or hazardous materials.
- Department of Revenue UST Program Online Service Center
Learn about the Petroleum Product Cleanup (21J) Fund and the Cities and Towns Municipal Grants Program.
- Background Information: Massachusetts Underground Storage Tank (UST) Program Transition
Responsibility for administering the tank registration and compliance inspection provisions was transferred from the Department of Fire Services (DFS) to MassDEP in July 2009.