DOME MINE LTD. - Permit to take water

Instrument type: Permit to take water

ERO number
026-0201
Ministry reference number
1000412217
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
February 26, 2026 - March 28, 2026 (30 days) Open
Last updated

This consultation closes at 11:59 p.m. on:
March 28, 2026

Proposal summary

This proposal is to amend Permit to Take Water No. P-300-7227499147 for dewatering (mining) for DOME MINE LTD. (previously GOLDCORP CANADA LTD.).

Location details

Site address

440 Hallnor Road
Porcupine, ON
Canada

Site location map

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

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Proponent(s)

DOME MINE LTD.
4315 Gold Mine Road
South Porcupine, ON
P0N 1H0
Canada

Proposal details

This proposal is to amend Permit to Take Water No. P-300-7227499147 for dewatering (mining) for DOME MINE LTD. (previously GOLDCORP CANADA LTD.). The amendment is only for increasing the maximum days of taking in a year for the five Pamour Wells from 275 days to 365 days. Details of the water taking are as follows:

Permit type: Amendment

Source Name: Pamour Pit Dewatering Well 1

  • purpose: dewatering
  • maximum rate per minute (litres): 11,033
  • maximum number of hours of taking per day: 24
  • maximum volume of taking per day (litres): 15,888,000
  • maximum number of days of taking in a year: 365
  • period of taking: January 1 to December 31 for 10 years

Source Name: Pamour Pit Dewatering Well 2

  • purpose: dewatering
  • maximum rate per minute (litres): 11,033
  • maximum number of hours of taking per day: 24
  • maximum volume of taking per day (litres): 15,888,000
  • maximum number of days of taking in a year: 365
  • period of taking: January 1 to December 31 for 10 years

Source Name: Pamour Pit Dewatering Well 3

  • purpose: dewatering
  • maximum rate per minute (litres): 11,033
  • maximum number of hours of taking per day: 24
  • maximum volume of taking per day (litres): 15,888,000
  • maximum number of days of taking in a year: 365
  • period of taking: January 1 to December 31 for 10 years

Source Name: Pamour Pit Dewatering Well 4

  • purpose: dewatering
  • maximum rate per minute (litres): 11,033
  • maximum number of hours of taking per day: 24
  • maximum volume of taking per day (litres): 15,888,000
  • maximum number of days of taking in a year: 365
  • period of taking: January 1 to December 31 for 10 years

Source Name: Pamour Pit Dewatering Well 5

  • purpose: dewatering
  • maximum rate per minute (litres): 11,033
  • maximum number of hours of taking per day: 24
  • maximum volume of taking per day (litres): 15,888,000
  • maximum number of days of taking in a year: 365
  • period of taking: January 1 to December 31 for 10 years

Source Name: TNL Sump (Drilling)

  • purpose: other
  • maximum rate per minute (litres): 167
  • maximum number of hours of taking per day: 24
  • maximum volume of taking per day (litres): 240,000
  • maximum number of days of taking in a year: 365
  • period of taking: January 1 to December 31 for 10 years

Source Name: Water Supply Well 1

  • purpose: water supply
  • maximum rate per minute (litres): 5
  • maximum number of hours of taking per day: 24
  • maximum volume of taking per day (litres): 7,200
  • maximum number of days of taking in a year: 365
  • period of taking: January 1 to December 31 for 10 years

Source Name: Water Supply Well 2

  • purpose: water supply
  • maximum rate per minute (litres): 5.5
  • maximum number of hours of taking per day: 24
  • maximum volume of taking per day (litres): 7,875
  • maximum number of days of taking in a year: 365
  • period of taking: January 1 to December 31 for 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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Get in touch with the office listed below to find out if materials are available.

Client Services and Permissions Branch
Address

135 St Clair Ave West
1st Floor
Toronto, ON
M4V 1P5
Canada

Office phone number

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