NORTHWEST NATURAL GAS CO
gas_distribution Incident — WILLAMINA, OR
Incident Information
| Report Date | — |
| Operator | NORTHWEST NATURAL GAS CO |
| Commodity | — |
| Pipeline Type | gas_distribution |
Location
| City | WILLAMINA |
| State | OR |
| County | POLK |
| Coordinates | 45.04997, -123.50140 |
Cause
| Cause | PIPE, WELD, OR JOINT FAILURE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
AT APPROXIMATELY 1:43PM ON FEBRUARY 20, 2016 NW NATURAL RECEIVED AN ODOR CALL TO A RESIDENCE AT 23070 YAMHILL RIVER RD. IN WILLAMINA. THERE WAS A LEAK ON A 2 INCH STEEL MAIN DUE TO A CRACKED WELD AT THE WILLAMINA-SHERIDAN REGULATOR STATION. NWN FIRST RESPONDER ARRIVED ON SITE AT 2:06PM. GAS WAS CONTROLLED AT 9:03AM ON FEBRUARY 21, 2017 BY ACTIVATING A BYPASS DISTRICT REGULATOR AND INSOLATED THE LEAKING SECTION OF PIPE. SIX SERVICES WERE INTERRUPTED AND RELIT BY 5:49PM FEBRUARY 21, 2017. REPAIRS WERE COMPLETED BY 5:50PM FEBRUARY 22, 2017 AND THE DISTRICT REGULATOR WAS REACTIVATED. HIGH FLOW THROUGH A DISTRICT REGULATOR CAUSED ICING AND FROST HEAVE WHICH RESULTED IN A CRACKED FILLET WELD AT A 2"" LATERAL ON THE REGULATOR OUTLET PIPE. NW NATURAL IS REPORTING THIS INCIDENT DUE TO COSTS OF RESPONSE AND REPAIR EXCEEDING $50,000. NW NATURAL COST DATA REFLECTED THIS AS OF FEBRUARY 28, 2017.
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.