Enbridge Line 2 Oil Pipeline

This article is part of the Global Fossil Infrastructure Tracker, a project of Global Energy Monitor and the Center for Media and Democracy.

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Enbridge Line 2 Oil Pipeline is a major oil pipeline in the Enbridge Pipeline System that conveys petroleum from western Canada to its Superior Terminal in Wisconsin, United States.

Location

The pipeline originates in Edmonton, Alberta, and terminates in Superior, Wisconsin.

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Project Details

• Operator: Enbridge
• Current capacity: 442,000 barrels per day
• Length: 1767 km (1098 mi)
• Status: Operating
• Start Year: 1957

Background

Line 2 was placed in service in 1957. It consists of two sections: the 596-mile Line 2A, originating in Edmonton, Alberta and terminating in Cromer, Manitoba, and the 502-mile Line 2B, originating in Cromer and terminating in Superior.

Accidents

In January 2010, Enbridge shut down Line 2B after discovering a leak in Pembina County, North Dakota. In total, approximately 3,748 barrels of synthetic crude oil was released at milepost 774.18.

In July 2010, Enbridge discovered a leaking flange on Line 2 at the North Cass Lake, Minnesota, Station, with as much as 1,500 barrels of oil released.

In September 2015, Enbridge spilled 29,000 gallons of water when test equipment malfunctioned at a pump station near Floodwood, North Dakota as part of a hydrostatic dye testing.