Agnico Eagle Mines Limited - Permit to take water

Instrument type: Permit to take water

ERO number
019-9418
Ministry reference number
4033-DAYS59
Notice type
Instrument
Act
Ontario Water Resources Act, R.S.O. 1990
Posted by
Ministry of the Environment, Conservation and Parks
Notice stage
Proposal
Proposal posted
Comment period
November 21, 2024 - December 21, 2024 (30 days) Open
Last updated

This consultation closes at 11:59 p.m. on:
December 21, 2024

Proposal summary

This proposal is for an amendment and renewal to Permit to Take Water No. 4020-D3BJ7E for Agnico Eagle Mines Limited. Water will be taken from one well and two ponds for dewatering purposes at the Detour Mine, located in the Town of Cochrane, Ontario.

Location details

Site address

Cochrane, ON
Canada

Site location details

Detour Lake Mine
185 kilometres northeast via Highway 652 from Cochrane

Site location map

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Proponent(s)

Agnico Eagle Mines Limited
145 King Street East, Suite 400
Toronto, ON
M5C 2Y7
Canada

Proposal details

This proposal is for an amendment and renewal to Permit to Take Water No. 4020-D3BJ7E for Agnico Eagle Mines Limited. Water will be taken from one well and two ponds for dewatering purposes at the Detour Mine, located in the Town of Cochrane, Ontario. This amendment is to increase the water taking at the site. Details of the water taking are as follows:

Permit type – amendment and renewal

Source Name: Main Open Pit

  • purpose: mining dewatering
  • maximum rate per minute (litres): 110,846
  • maximum number of hours of taking per day: 24
  • maximum volume per day (litres): 159,619,000
  • maximum number of days of taking per year: 365
  • earliest calendar date of taking (mm/dd): 01/01
  • latest calendar date of taking (mm/dd): 12/31
  • period of taking: 10 years

Source Name: North Pit

  • purpose: mining dewatering
  • maximum rate per minute (litres): 4,628
  • maximum number of hours of taking per day: 24
  • maximum volume per day (litres): 6,665,000
  • maximum number of days of taking per year: 365
  • earliest calendar date of taking (mm/dd): 01/01
  • latest calendar date of taking (mm/dd): 12/31
  • period of taking: 10 years

Source Name: Well Field

  • purpose: mining dewatering
  • maximum rate per minute (litres): 1,315
  • maximum number of hours of taking per day: 24
  • maximum volume per day (litres): 1,894,000
  • maximum number of days of taking per year: 365
  • earliest calendar date of taking (mm/dd): 01/01
  • latest calendar date of taking (mm/dd): 12/31
  • period of taking: 10 years

There are 3 categories of a Permit to Take Water:

  • Category 1: water takings are anticipated to have a lower risk of causing an unacceptable environmental impact/interference
  • Category 2: water takings are anticipated to having a higher potential of causing unacceptable environmental impact or interference
  • Category 3: water takings are anticipated to have the highest potential of causing unacceptable environmental impactor interference

The proposed water taking qualifies as a Category 3 permit.

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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