ARCHIVED – CER Oversight of Pipeline Incidents

This page has been archived on the Web

Information identified as archived is provided for reference, research or recordkeeping purposes. It is not subject to the Government of Canada Web Standards and has not been altered or updated since it was archived. Please contact us to request a format other than those available.


Below are incidents that have been immediately reported to us over the last few years, where the CER has actively responded and provided public updates on our actions.

We’ve gathered them to help you get a clear picture of what we are doing to ensure public safety and protect the environment. Details on all incidents reported to us, and our actions, can be found on Open Government or in our reports on compliance and enforcement.



What happened


Company / Line

Latest update

Enforcement actions
(if applicable)


Injury at Trans Mountain worksite

Burnaby, B.C.

Trans Mountain Pipeline ULC

News – Message from the CEO – injury at Trans Mountain work site


News – Trans Mountain suspends construction until January–4, 2021



Fatality at Trans Mountain worksite


Trans Mountain Pipeline ULC

News – CER statement on the fatality at Trans Mountain worksite


News – CER update regarding fatality at Trans Mountain worksite

News- CER issues order to Trans Mountain in relation to worksite fatality



Above ground crude oil release at the Enbridge Youngstown Pump Station

Youngstown, Alta.


News Release – Canada Energy Regulator responds to crude oil release at Enbridge’s Express Line Pump Station, near Youngstown, Alberta


News – Update on the Youngstown Pump Station incident



Above ground crude oil release at the Trans Mountain pipeline Sumas pump station

Abbotsford, B.C.

Trans Mountain Pipeline ULC

News – Canada Energy Regulator responds to incident at Trans Mountain’s Sumas Pump Station


News – Incident Update: CER Environmental Protection Inspection Officer deployed, to conduct inspection with IAMC Indigenous Monitors at incident site

News – CER on-site response to Trans Mountain’s Sumas Pump Station incident has concluded

Joint statement from CER and the Indigenous Advisory and Monitoring Committee for the Trans Mountain Expansion Project on joint inspection of Sumas Pump Station

Inspection report CV2021-454

Pipeline transportation safety investigation P20H0023


Aboveground crude oil release at the Line 3 Herschel pump station

Herschel, Sask.



News release – Canada Energy Regulator responds to incident at Enbridge Line 3 pump station


News – Update: Latest information on the incident at Enbridge’s Line 3 Herschel pump station

Feature story – Adapting inspections in response to COVID-19

Inspection report CV2021-414

Pipeline transportation safety investigation P20H0017

Pipeline transportation safety investigation report P20H0017


Gas pipeline rupture

Prince George, B.C.

Westcoast (owned and operated by Enbridge)

Archived content

Pipeline transportation safety investigation P18H0088

Enbridge (Westcoast Energy Inc.) 36 inch natural gas pipeline rupture, near Prince George, B.C. on October 9, 2018

CER oversight of recent incidents

Date modified: