NORTHERN NATURAL GAS CO

gas_transmission Incident, , January 16, 2026

Incident Information

Incident DateJanuary 16, 2026
OperatorNORTHERN NATURAL GAS CO
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates46.31285, -92.88400

Cause

CauseMATERIAL FAILURE OF PIPE OR WELD
SubcauseORIGINAL MANUFACTURING-RELATED (NOT GIRTH WELD OR OTHER WELDS FORMED IN THE FIELD)

Casualties

Fatalities0
Injuries0

Costs

Property Damage$10,000,000
Emergency Response$200,000
Other Costs$3,000,000

Location Map

Incident Narrative

"ON JANUARY 16, 2026, THE M440B NORTH BRANCH-TO-CARLTON 20-INCH MAINLINE RUPTURED AT MILEPOST 55, NEAR FOX LAKE IN PINE COUNTY, MINNESOTA. THE NEAREST TOWN IS WILLOW RIVER, MINNESOTA. THIS MAINLINE IS 85.7 MILES LONG. AT APPROXIMATELY 14:01HRS, NORTHERN WAS CONTACTED BY THE PINE COUNTY SHERRIFF, WHO REPORTED A RUPTURE AND A FIREBALL. THE SEGMENT WAS ISOLATED FROM VALVE 3 AT MILEPOST 43.1 NEAR THE WEST FORK ROAD CROSSING TO VALVE 4 AT MILEPOST 57.2 NEAR THE OAK BEND WAY ROAD CROSSING. THE BLOCK VALVES ARE MANUALLY OPERATED. BY 15:12HRS, THE SEGMENT HAD BEEN ISOLATED, AND THE FIRE WAS OUT OTHER THAN RESIDUAL GAS BURNING OFF. THERE WERE NO INJURIES OR FATALITIES. APPROXIMATELY 1723 FEET OF 20-INCH PIPE WAS IMPACTED BY THE RUPTURE. THE REMAINDER OF THE MAINLINE WAS REDUCED TO 80% OF THE ACTUAL OPERATING PRESSURE AT THE TIME OF THE INCIDENT."

About This Pipeline Incident

Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.

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