Historic Mine Remediation
Location
Provincial Crown lands with former mine sites
As studies are finalized, they will be released and posted to this page. To date the following reports are available:
Montague Gold Mines Site
September 2024 – Ecological Risk Assessment for the Historic Montague Mines Tailings Site
March 2022 – Human Health Risk Assessment for the Historic Montague Mines Tailings Area
October 2021 – Former Montague Gold Mines Site Phase II ESA Report
December 2020 – Former Montague Gold Mines Site Phase I ESA Report
December 2020 – Lake Charles Human Health Risk Assessment Q & A
December 2020 – Lake Charles Human Health Risk Assessment Summary
August 2020 – Lake Charles Human Health Risk Assessment
February 14, 2020 – Barry’s Run Health Risk Assessment Q & A
February 14, 2020 – Barry’s Run Health Risk Assessment Summary
February 14, 2020 – Barry’s Run Health Risk Assessment
July 24, 2019 – Conceptual Closure Study for the Historic Montague Mines Tailing Areas
Goldenville Mine Site
July 24, 2019 – Conceptual Closure Plan for the Historic Goldenville Tailings Area
Other sites
Country Harbour Mine Site
- March 2025 – Human Health and Ecological Risk Assessment Part 1
- March 2025 – Human Health and Ecological Risk Assessment Part 2
- March 2025 – Human Health and Ecological Risk Assessment Part 3
- March 2024 – Phase II Environmental Site Assessment
- September 2023 – Environment Screening Report
Frenchvale Mine Site
- November 2025 – Human Health and Ecological Risk Assessment Problem Formulation
- November 2025 – Supplemental Sampling Report
- April 2025 – Phase II Environmental Site Assessment Part 1
- April 2025 – Phase II Environmental Site Assessment Part 2
- April 2025 – Phase II Environmental Site Assessment Part 3
Gold Brook Lake and Seal Harbour Mine Site
- November 2023 – Updated Phase II ESA Report Part 1
- November 2023 – Updated Phase II ESA Report Part 2
- November 2023 – Updated Phase II ESA Report Part 3
- October 2022 – Former Gold Brook Lake and Seal Harbour Mine Sites Phase I ESA Report
- October 2022 – Former Gold Brook Lake and Seal Harbour Mine Sites Phase II ESA Report
Lake Enon Mine Site
- January 2025 – Human Health and Ecological Risk Assessment and Ancillary Assessment Activities (Final) Part 1
- January 2025 – Human Health and Ecological Risk Assessment and Ancillary Assessment Activities (Final) Part 2
- January 2025 – Human Health and Ecological Risk Assessment and Ancillary Assessment Activities (Final) Part 3
- January 2025 – Human Health and Ecological Risk Assessment and Ancillary Assessment Activities (Final) Part 4
- January 2025 – Human Health and Ecological Risk Assessment and Ancillary Assessment Activities (Final) Part 5
- January 2025 – Human Health and Ecological Risk Assessment and Ancillary Assessment Activities (Final) Part 6
- May 2023 – Human Health and Ecological Risk Assessment Problem Formulation (Final) Part 1
- May 2023 – Human Health and Ecological Risk Assessment Problem Formulation (Final) Part 2
- May 2023 – Human Health and Ecological Risk Assessment Problem Formulation (Final) Part 3
- October 2022 – Former Lake Enon Mill Site Phase I ESA Report
- October 2022 – Former Lake Enon Mill Site Phase II ESA Report
Lochaber Mine Site
- November 2024 – Human Health and Ecological Risk Assessment
- November 2024 – Phase II Environmental Site Assessment
- December 2023 – Phase I Environmental Site Assessment
Mill Village
- February 2025 – Supplemental Sampling Program and Human Health and Ecological Risk Assessment
- February 2025 – Phase II Environmental Site Assessment
- September 2023 – Environmental Screening Report
- August 2023 – Phase I Environmental Site Assessment Field Program Memo
Miller Lake Mine Site
- October 2024 – Phase II Environmental Site Assessment
- March 2024 – Phase I Environmental Site Assessment Part 1
- March 2024 – Phase I Environmental Site Assessment Part 2
- March 2024 – Phase I Environmental Site Assessment Part 3
- March 2024 – Phase I Environmental Site Assessment Part 4
- March 2024 – Phase I Environmental Site Assessment Part 5
Mooseland Mine Site
- September 2023 – Updated Phase II ESA Report
- October 2022 – Former Mooseland Mine Site Phase I ESA Report
- October 2022 – Former Mooseland Mine Site Phase II ESA Report
Ocean Street Steel Plant
- October 2022 – Former Ocean Street Steel Plant Phase I ESA Report
- October 2022 – Former Ocean Street Steel Plant Phase II ESA Report
Silica Lake Mine Site
- March 2025 – Phase II ESA Report
- March 2025 – Phase I ESA Report
Widow Point Mine Site
- December 2024 – Remedial Action Plan, Risk Management Plan and Site Closure Report
- June 2024 – Human Health and Ecological Risk Assessment
- February 2024 – Limited (L2) Environmental Site Assessment and Remedial Options Analysis
- October 2023 – Phase I Environmental Site Assessment Memo and Field Program Report
- October 2023 – Species at Risk Screening
Thornburn Mine Site
- August 2025 – Phase I and II Environmental Site Assessment Part 1
- August 2025 – Phase I and II Environmental Site Assessment Part 2
- August 2025 – Phase I and II Environmental Site Assessment Part 3
- December 2024 – Technical Memorandum – Thorburn Mine Phase I Environmental Site Assessment