CASCADE NATURAL GAS CORP
gas_distribution Incident — COLLEGE PLACE, WA — August 9, 2021
Incident Information
| Incident Date | August 9, 2021 |
| Operator | CASCADE NATURAL GAS CORP |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_distribution |
Location
| City | COLLEGE PLACE |
| State | WA |
| County | WALLA WALLA |
| Coordinates | 46.05345, -118.37879 |
Cause
| Cause | OTHER OUTSIDE FORCE DAMAGE |
| Subcause | "NEARBY INDUSTRIAL, MAN-MADE, OR OTHER FIRE/EXPLOSION AS PRIMARY CAUSE OF INCIDENT" |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $500 |
| Emergency Response | $1,500 |
| Other Costs | $0 |
Location Map
Incident Narrative
"ON AUGUST 9, 2021 AT 2:18 P.M. PST CASCADE NATURAL GAS CORPORATION WAS NOTIFIED OF A FIRE THAT CAUSED A SUSPECTED NON-JURISDICTIONAL GAS EXPLOSION IN AN ATTACHED GARAGE AT 312 REDWOOD PLACE IN COLLEGE PLACE, WA. THE EXPLOSION CAUSED THE OUTSIDE WALL OF THE GARAGE TO BREAK THE GAS METER SET ASSEMBLY UPSTREAM OF THE SERVICE REGULATOR CAUSING A RELEASE OF JURISDICTIONAL GAS THAT IGNITED AND SUBSEQUENTLY SPREAD TO THE ADJACENT HOUSE AT 322 REDWOOD PLACE (GAS SERVICE LINE ALSO INSTALLED IN 1999). THE FIRE AT 322 REDWOOD PLACE WAS IN THE AREA OF THE GAS METER SET ASSEMBLY WHICH MELTED CAUSING A SECOND RELEASE OF NATURAL GAS WHICH ALSO IGNITED. CASCADE NATURAL GAS CORPORATION CONSTRUCTION CREWS REMOTELY SECURED THE RELEASES BY PERFORMING A SQUEEZE-OFF OF THE 2 INCH HDPE MAIN SERVING THE SERVICE LINES TO 312 AND 322 REDWOOD PLACE."
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.