Share your ideas: Amendments to the Metal and Diamond Mining Effluent Regulations for the Scully Mine Tailings Expansion Project

Current status: Closed

This consultation was open from December 17, 2025, to February 15, 2026.

Background

Environment and Climate Change Canada (ECCC) is seeking comments on a proposed authorization under the Metal and Diamond Mining Effluent Regulations (MDMER) for the disposal of mine waste in fish-frequented water bodies at the Scully Mine site. 

• Tacora Resources Inc. (the Proponent) is proposing to increase the tailings capacity of the Scully Mine to extend the operational life of the mine. The mine is located two kilometers northeast of the town of Wabush, in Newfoundland and Labrador
• If approved, Schedule 2 of the MDMER would be amended to list these water bodies as “Tailings Impoundment Areas” for the Scully Mine

Focus of this consultation

ECCC is consulting on the Alternatives Assessment report and the Fish Habitat Compensation Plan.

• Alternative Assessment (PDF) (prepared by the proponent and available in English only)
  • Summary of the Alternatives Assessment (PDF) (prepared by the proponent)
• Fish Habitat Compensation Plan (PDF) (prepared by the proponent and available in English only)
  • Summary of the Fish Habitat Compensation Plan (PDF) (prepared by the proponent)

How to participate

By mail

Send a letter with your ideas and input to the address and contact information below.

By email

Send an email with your ideas or comments using the contact information below.

Comments must be submitted by February 15, 2026.

Please read our privacy statement for this consultation.

Who is the focus of this consultation

ECCC would like to hear from:

• Indigenous Peoples
• provincial, territorial and local governments
• industry stakeholders and association members
• non-governmental organizations
• general public

Related information

• Tailings Impoundment Areas
• Metal and Diamond Mining Effluent Regulations
• Fisheries Act
• Guidelines for the assessment of alternatives for mine waste disposal
• Guide To The Regulatory Process For Listing Water Bodies Frequented By Fish In Schedule 2 Of The Metal And Diamond Mining Effluent Regulations

Contact us

Environment and Climate Change Canada
Environnemental Protection Branch 
Metal and Diamond Mining Effluent Section 
351 boulevard Saint-Joseph 
Gatineau QC K1A 0H3

Email: mdmer-remmmd@ec.gc.ca