Summary of Underground Storage Tank (UST) Information

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, 2009, and September 30, 2010, 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 2011

Federal Fiscal Year	2010 10/1/09-9/30/10	2011 10/1/10-9/30/11
Total Number of "Active" UST Facilities ("In-use" & "temporarily out of service" petroleum & hazardous waste USTs)		4,120 (4/12/2012)
Total Number of "Active" UST Systems ("In-use" & "temporarily out of service" petroleum & hazardous waste USTs)	10,005	9,917
# Facilities Inspected	1,795	547
Percent Compliance[1]	50%	36%
# Confirmed Releases	20	32

Summary Information for Release Sources & Causes Information concerning release sources & causes can be accessed through the link below.
Source: Tank
Source: Piping
Source: Dispenser
Source: Submersible Turbine Pump
Source: Delivery/Faulty Containment Device
Source: Other

Persons seeking site-specific information on facilities where one or more USTs are located or information about reported releases from USTs may obtain information from the MassDEP UST Query Tool: http://public.dep.state.ma.us/UST/ustQueryPage.asp "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.

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

This page was last updated on April 12, 2012.