Evolution Mining Gold Operations Ltd. - Environmental Compliance Approval (sewage)

Instrument type: Environmental Compliance Approval (sewage)

ERO number
025-1207
Ministry reference number
3867-DMUNEU
Notice type
Instrument
Act
Environmental Protection Act, R.S.O. 1990
Posted by
Ministry of the Environment, Conservation and Parks
Notice stage
Proposal
Proposal posted
Comment period
October 31, 2025 - November 30, 2025 (30 days) Open
Last updated

This consultation closes at 11:59 p.m. on:
November 30, 2025

Proposal summary

This proposal is for an amendment to Environmental Compliance Approval No. 7435-BW4KJM issued to Evolution Mining Gold Operations Ltd. for industrial sewage works servicing the Red Lake Operations, located at 15 Eric Radford Way, Balmertown, Municipality of Red Lake, District of Kenora, Ontario. 

Location details

Site address

15 Eric Radford Way
Balmertown
Red Lake, ON
Canada

Site location details

Red Lake Operations

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Proponent(s)

Evolution Mining Gold Operations Ltd.
15 Eric Radford Way
Red Lake, ON
P0V 1C0
Canada

Proposal details

Evolution Mining Gold Operations Ltd. is applying to amend Environmental Compliance Approval No. 7435-BW4KJM to authorize the operation of the works including: 

  1. The operation of certain activities to allow the deposit of Campbell Mill tailings into the Red Lake Tailings Management Area (TMA)  to facilitate closure of the Campbell tailings storage facility.
  2. The operation of the upgraded mine wastewater treatment plant to handle arsenic, heavy metals and ammonia. 

The proposal is open for a 30-day comment period instead of 45 days due to consultation previously carried out under the previous proposal posting for the sewage works:  A decision was made on that previous proposal posting to allow the construction but not operation of the works: https://ero.ontario.ca/notice/019-9291.

Supporting materials

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Client Services and Permissions Branch
Address

135 St. Clair Avenue West
Floor 1
Toronto, ON
M4V 1P5
Canada

Office phone number

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