In compliance with the National Energy Policy Act requirements of 2005, the Department of Environmental Protection (MassDEP) has prepared this table summarizing the total number of active UST facilities across Massachusetts, the number of UST facilities inspected by MassDEP between October 1, 2012, and September 30, 2013, and the findings from those inspections. This table also summarizes the number of confirmed releases from USTs reported to MassDEP during the same period.
Massachusetts Summary of Information on Underground Storage Tanks (Federal Fiscal Year 2013)
Federal Fiscal Year2012 (10/1/11-9/30/12)2013 (10/1/12-9/30/13)
Total Number of "Active" UST Facilities ("In-use" & "temporarily out of service" petroleum & hazardous waste USTs)4,1973,891
Total Number of "Active" UST Systems ("In-use" & "temporarily out of service" petroleum & hazardous waste USTs)11,37511,737
Number of Facilities Inspected1,2572,151
Percent Compliance*32%22%
Number of Confirmed Releases3835
Summary Information for Release Sources & Causes (7/13/13-9/20/13)
SpillOverfillCorrosionPhysical/Mechanical DamageInstall ProblemOtherUnknownTotal
Tank  1  236
Piping      11
Dispenser     111
Submersible Turbine Pump        
Delivery Problem        
Other     618
Unknown     022
Total  1  9818

Note: To find facility-specific information, please use the Underground Storage Tank (UST) Query Tool

  • "Look Up UST Facility Data" provides facility-specific UST information.
  • "Record of Leaks & Spills" provides access to facility specific records of reported releases associated with UST systems.

*Rate based on state inspection of a statistically significant number of UST facilities.

This page was last updated on June 2, 2014.