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, 2013, and September 30, 2014, 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 2014)
Federal Fiscal YearFFY 2013 (10/1/12-9/30/13)FFY 2014 (10/1/13-9/30/14)
Total Number of "Active" UST Facilities ("In-use" & "temporarily out of service" petroleum & hazardous substance USTs)3,8913,840
Total Number of "Active" UST Systems ("In-use" & "temporarily out of service" petroleum & hazardous substance USTs)10,47011,003
Number of Facilities Inspected2,151677
Percent Compliance*22%29%
Number of Confirmed Releases35106
Summary Information for Release Sources & Causes (10/1/13-9/30/14)
Mechanical Damage
Install ProblemOtherUnknownTotal
Tank  81 16328
Piping2    12115
Dispenser     3 3
Submersible Turbine Pump       0
Delivery Problem1      1
Other2    9112
Unknown 1   222447

Note: To find facility-specific information, please use the UST Facility Search . For information about product releases/spills reported to MassDEP, Search for Waste Sites .

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

This page was last updated on July 30, 2015.