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Notice of Application
OSCA Application 1933887
EPEA Application 057-00000026
Syncrude Canada Limited
Mildred Lake – North Mine Centre Pond Tailings Plan

The Alberta Energy Regulator (AER) has received Oil Sands Conservation Act (OSCA)application 1933887 and Environmental Protection and Enhancement Act (EPEA) application 057-00000026 from Syncrude Canada Limited (Syncrude).

This notice also sets out the deadline for filing statements of concern on the applications. See the section below on how to file a statement of concern for filing dates.

Description of the Applications
Syncrude has applied under OSCA and EPEA to make changes to Syncrude's Mildred Lake tailings plan for the North Mine Centre Pond (NCMP) to include the co-deposition of coarse tailings materials with centrifuge cake and flocculated tailings, and to provide interim storage for untreated fluid tailings in NMCP-East.

The project is located about 35 kilometres (km) north of the city of Fort McMurray and 15 km south of the hamlet of Fort MacKay.

For a copy of the applications, contact

Syncrude Canada Ltd.
P.O. Bag 4009, MD: Y201
Fort McMurray, Alberta  T9H 3L1
Attention:  Rochelle Young
Telephone: 825-409-7090
Email: @email

To receive a copy of the applications and supporting documents, submit an information request, as outlined at, to

AER Information Distribution Services
Suite 1000, 250 – 5 Street SW
Calgary, AB  T2P 0R4
Telephone: 1-855-297-8311
(toll free; option 0)
Email: @email

Requirement to File a Statement of Concern
If you have concerns with these applications, you must file a statement of concern as described below. If you do not file a statement of concern, the AER may approve the applications without further notification.

How to File a Statement of Concern
For your submission to be considered a valid statement of concern, it must be filed before 4:00 p.m. on September 4, 2021. Send one copy of your statement of concern to Syncrude at the name and address above and one copy to

Regulatory Applications Branch
Alberta Energy Regulator
Suite 1000, 250 – 5 Street SW
Calgary, AB T2P 0R4
Fax: 403-297-7336
Email: @email

Contents of a Statement of Concern
For your submission to be considered a valid statement of concern, it must include

  1. why you believe that you may be directly and adversely affected by a decision of the AER on the applications;
  2. the nature of your objection to the applications;
  3. the outcome of the applications that you advocate;
  4. the location of your land, residence, or activity in relation to the location of the energy resource activity that is the subject of the applications; and
  5. your contact information, including your name, address in Alberta, telephone number, and
    email address or, if you do not have an email address, your fax number.

 The AER also requests that you include the application numbers in your statement of concern.

Section 49 of the Alberta Energy Regulator Rules of Practice (Rules of Practice) requires that all documents and information filed in a proceeding be placed on the public record. If you file a submission, you must not include any personal information that you do not want to appear on or are not authorized to put on the public record. Section 49(2) of the Rules of Practice states how to apply to the AER for an order to keep information confidential. The Rules of Practice is available on the AER website at

Submissions relating exclusively to compensation for land use are not dealt with by the AER and should be referred to the Land and Property Rights Tribunal (formerly the Surface Rights Board).

Under section 21 of the Responsible Energy Development Act, the AER does not have the jurisdiction to assess the adequacy of Crown consultation associated with the rights of aboriginal peoples as recognized and affirmed under the Constitution Act, 1982.

For information on AER procedures, contact the authorizations specialist, Rod Godwaldt, by phone at 403-355-5133 or by email to

Issued at Calgary, Alberta, on August 5, 2021.
Charlene Graham, General Counsel