Compliance Verification Activity Report: CV2223-155 - Trans-Northern Pipelines Inc.


Compliance verification activity type: Field Inspection

Activity #: CV2223-155
Start date: 2022-09-06
End date: 2022-09-09


Regulated company: Trans-Northern Pipelines Inc.

Operating company: Trans-Northern Pipelines Inc. (TNPI or Company)

Province(s) / Territory(s):


Related events:

Rationale and scope:

The purpose of these inspections is to verify compliance with the Canadian Energy Regulator Act, the Canadian Energy Regulator Onshore Pipeline Regulations, CSA Z662, and any other relevant plans, manuals, and procedures.

The primary focus area of these inspections will be the Environmental Protection Program, its implementation at facility operations, as well as operations & maintenance activities (O&M Activities), primarily integrity dig sites and reclamation of those sites.

The scope of these inspections will include, but may not be limited, to pre-disturbance planning for O&M Activities, surface water management at facility sites, deactivated facilities, and follow-up to previous CVAs having occurred in 2019, 2020 and 2021, as well as the general state of regulated facilities.   


Compliance tool(s) used:

Facility details


Regulatory requirements

Regulatory requirements that apply to this activity:

Observations (no outstanding follow-up required)

Observation 1 - Stations - General - Environment

Date & time of visit: 2022-09-07 08:00

Discipline: Environmental Protection




CER Officer inspected several stations on TNPIs System, including the:
Saint Clet Transition
Farran's Point Station
Prescott Junction
Belleville Meter Station
Deseronto Pump Station
Ste Rose Junction

The main themes of observations are summarized below, grouped by subject.

Surface Water Management and Containment Systems (swales, berms, sumps, oil water separators)

Groundwater Monitoring Wells Hazardous Materials Vegetation Management

Compliance tool used: No compliance tool used

Observation 2 - Information caviardée conformément au paragraphe 144(5) du Code canadien du travail

This information has been redacted pursuant to Section 144(5) of the Canada Labour Code

Observation 3 - Mirabel Station

Date & time of visit: 2022-09-08 09:00

Discipline: Administrative




Compliance tool used: No compliance tool used

Observation 4 - Maintenance Activities

Date & time of visit: 2022-09-07 14:30

Discipline: Environmental Protection




Operations and Maintenance Activities (O&M)were observed at four locations, each at a different stage of the process. Before the inspection began, the CER Officer requested TNPI's O&M schedule to assist with planning, which TNPI Representatives provided as requested and required. 

The first O&M site inspected was a series of digs which had been completed in the last year with the site reclaimed to its pre-work conditions.

The second O&M site was active with the crew onsite in preparation for a series of digs. The third O&M site was active and located immediately adjacent the Deseronto Pump Station. The fourth O&M site was a series of digs that had been completed approximately 1 year prior. Upcoming O&M Activities (Digs)

Compliance tool used: No compliance tool used

Observation 5 - Pipeline Right-of-Way (RoW) - General

Date & time of visit: 2022-09-08 13:30

Discipline: Damage Prevention




Work in Prescribed Area

Moira River Water Crossing  Rivière Des Mille Illes Water Crossing

Compliance tool used: No compliance tool used

Observations (company follow-up required)

Identified non-compliances to company plans or procedures are non-compliances either to:

- the condition of an authorization document that requires the implementation of that plan or procedure; or

- the relevant section of the regulations that requires implementation of that plan or procedure including those sections that require implementation of plans or procedures as a part of a Program