Barrick-Hemlo (Williams Operating Corporation ) - Amendment to a closure plan

Instrument type: Amendment to a closure plan

ERO number
013-3509
Ministry reference number
W-02 Williams Mine
Notice type
Instrument
Act
Mining Act, R.S.O. 1990
Posted by
Ministry of Energy, Northern Development and Mines
Transferred to
Ministry of Mines
Notice stage
Decision
Decision posted
Comment period
August 3, 2018 - September 2, 2018 (30 days) Closed
Last updated

This consultation was open from:
August 3, 2018
to September 2, 2018

Decision summary

The 2018 Closure Plan Amendment for the Williams Mine was filed by the Director of Mine Rehabilitation with changes addressed in the Closure Plan Amendment Update dated January 31, 2019 to address government technical reviews.

Location details

Site location details

The Williams Mine is located approximately 35km east of Marathon, Ontario or approximately 245km east of Thunder Bay, Ontario along the Trans-Canada Highway 17.

Site location map

The location pin reflects the approximate area where environmental activity is taking place.

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Proponent(s)

Barrick-Hemlo (Williams Operating Corporation )
Post Office Bag Delivery Bag 500
Marathon, ON
P0T 2E0
Canada

Decision details

The 2018 Closure Plan Amendment for the Williams Mine was filed by the Director of Mine Rehabilitation with changes addressed in the Closure Plan Amendment Update dated January 31, 2019 to address government technical reviews.

Comments received

Through the registry

0

By email

0

By mail

0
View comments submitted through the registry

Effects of consultation

No comments were received resulting in no impact on the decision whether or not to proceed with this proposal.

Supporting materials

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Get in touch with the office listed below to find out if materials are available.

Mineral Development Office (Thunder Bay)
Address

435 James Street South
Suite B002
Thunder Bay, ON
P7E 6E3
Canada

Office phone number

How to Appeal

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Original proposal

ERO number
013-3509
Ministry reference number
W-02 Williams Mine
Notice type
Instrument
Act
Mining Act, R.S.O. 1990
Posted by
Ministry of Energy, Northern Development and Mines
Proposal posted

Comment period

August 3, 2018 - September 2, 2018 (30 days)

Proposal details

Description of Instrument

Barrick-Hemlo has submitted a Mine Closure Plan for filing by the Ministry of Northern Development and Mines as required under the Mining Act. This Closure Plan proposes rehabilitation measures to be implemented upon the eventual closure of Barrick-Hemlo’s Williams Mine.

The following are the major components of this Closure Plan as proposed by Barrick-Hemlo

Rehabilitation measures adjusted to extend the current mine life from 2021 to 2027 which includes:

  • Thickened tailings deposition in the Williams Basin
  • Sulfide tailings deposition with water cover in the David Bell Basin
  • Installation of a desulfurization plant
  • Addition of a water treatment plant in 2090 for waste rock piles and pit lake area
  • Corresponding increase in financial assurance

Supporting materials

View materials in person

Some supporting materials may not be available online. If this is the case, you can request to view the materials in person.

Get in touch with the office listed below to find out if materials are available.

Mines and Minerals Division
Address

933 Ramsey Lake Road
Level B6
Sudbury, ON
P3E 6B5
Canada

Office phone number

Comment

Commenting is now closed.

This consultation was open from August 3, 2018
to September 2, 2018

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