COLORADO INTERSTATE GAS CO
gas_transmission Incident — — July 31, 2025
Incident Information
| Incident Date | July 31, 2025 |
| Operator | COLORADO INTERSTATE GAS CO |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 43.28002, -107.59293 |
Cause
| Cause | INCORRECT OPERATION |
| Subcause | OTHER INCORRECT OPERATION |
Casualties
| Fatalities | 0 |
| Injuries | 1 |
Costs
| Property Damage | $1,116,338 |
| Emergency Response | $172,685 |
| Other Costs | $0 |
Location Map
Incident Narrative
"ON JULY 31, 2025, AT APPROXIMATELY 11:01 A.M. MOUNTAIN TIME (MT), A RUPTURE AND FIRE OCCURRED WHILE NATURAL GAS PURGING AND RE-PRESSURIZATION OPERATIONS WERE BEING CONDUCTED ON THE CIG PIPELINE 70A NEAR THE LOST CABIN COMPRESSOR STATION. THE FAILURE RESULTED IN AN INJURY EMPLOYEE REQUIRING HOSPITALIZATION. SITE INVESTIGATIVE EFFORTS WERE IMMEDIATELY INITIATED. THE EVENT OCCURRED APPROXIMATELY 2.1 MILES SOUTH-EAST OF LOST CABIN, WYOMING, ON PIPELINE 70A APPROXIMATELY 0.10 MILES DOWNSTREAM OF THE LOST CABIN COMPRESSOR STATION NEAR VALVE P3. THE INCIDENT OCCURRED IN A CLASS 1 LOCATION. THE INVESTIGATION CONCLUDED THAT THE RUPTURE OCCURRED AS A RESULT OF IGNITION OF A COMBUSTIBLE MIXTURE INSIDE THE PIPELINE CAUSED BY INADEQUATE PURGING OF AIR FROM THE PIPELINE. CIG INSPECTED REMAINING FACILITIES FOR DAMAGE AND REPLACED EQUIPMENT AS NECESSARY. CIG SUSPENDED OQS AND WILL BE RETRAINING OPERATIONS PERSONNEL IN THE AREA AND REQUALIFYING EMPLOYEES ON SUSPENDED OQ TASKS."
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.