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RWM Home > Programs > Underground Oil Storage Tanks

Underground Oil Storage Tanks (UST)

Removal of Underground Storage Tank

Report oil spills immediately!

Call 1-800-482-0777 from within Maine 24 hours a day.
Additional Emergency & Spill Response Reporting Telephone Numbers.

There are over 5,000 registered underground oil storage tanks located at approximately 3,000 underground oil storage facilities in the State of Maine. The Maine Department of Environmental Protection’s underground oil storage tank program is responsible for protecting public health and the environment, in particular groundwater, by preventing oil discharges to the greatest extent possible. The staff provides technical expertise, training, and outreach to underground oil storage facility owners and operators.

View registered UST, AST and Hazardous Oil Spill System locations on Google Earth. The Maine DEP GIS Unit is now offering selected data, geographically referenced, from a number of the Department's databases to the public via Google Earth. You will need to have Google Earth installed to view this data. This information and a link to download Google Earth is located here: http://www.maine.gov/dep/gis/datamaps/index.htm#Google_Earth_Maps.

  • Contacts - Who to contact for more information regarding the Underground Oil Storage Tanks Program.
  • UST Statutes, Rules and Policies - UST Statutes, Rules and Polices.
  • UST Enforcement - What to expect during a DEP Compliance Inspection.
  • UST Forms, Lists, Publications, Reports and Studies - UST Forms, Lists, Publications, Reports and Studies.
  • UST Additional Information (Program Information) - Third Party Annual Inspection, Installation, Registration and Retrofits, Leak Detection for Single-walled Underground Oil Storage Tanks, Removal and Requirements for Temporarily Out-of-Service Tanks.
  • Related Programs and Links - Aboveground Tanks, Board of Underground Storage Tank Installers, Community Action Agencies, Environmental Leader, Environmental Protection Agency, Finance Authority of Maine, and Ground Water Oil Clean-Up Fund.