Clinton Creek mine site reports

Resources

• Assessment of the Effects of the Clinton Creek Mine Waste Dump and Tailings, Yukon Territory PDF

  Date updated:

  2023-10-03

  An investigation into the impacts of mining activities in the Clinton Creek area. This report includes a summary of asbestos-related studies regarding asbestos ingestion, fisheries and asbestos levels in water.

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• Former Clinton Creek Asbestos Mine: Summary of 2004 Hazard Mitigation Work, Monitoring and a Screening Level Risk Assessment for Airborne Asbestos PDF

  Date updated:

  2023-10-03

  This report evaluates health hazards and risks at the former Clinton Creek asbestos mine site based on 2004 site conditions. It looks at both physical hazards and risks associated with asbestos inhalation.

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• Clinton Creek Engineering Review and Assessment: Part 1 PDF

  Date updated:

  2023-10-03

  An engineer's review, risk assessments and short-term mitigation recommendations for both Drop Structure 4 and a cascading failure of the Clinton Creek Channel at the former Clinton Creek mine site.

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• Clinton Creek Engineering Review and Assessment: Part 2 PDF

  Date updated:

  2023-10-03

  An engineer's review, risk assessments and short-term mitigation recommendations for Clinton Creek mine site components such as Drop Structures 1 to 3, the Hudgeon Lake outlet, the Clinton Creek site access road, waste rock dumps, pits, tailings...

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• Clinton Creek Remediation Project: 2018 Site Investigation Report PDF

  Date updated:

  2023-10-03

  This report describes results from geotechnical and environmental investigations conducted in late summer and fall 2018.

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• Clinton Creek Surface Water Quality and Hydrological Investigations: Two Year Data Summary PDF

  Date updated:

  2023-10-03

  A summary of meteorological, hydrological and water quality data, including seasonal and site-specific trends, for the 2-year period between September 2017 and October 2019.

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• Clinton Creek surface Water Quality and Hydrological Investigations – Addendum to 2019 Two Year Summary PDF

  Date updated:

  2023-10-03

  This addendum extends analysis of the original 2020 report on meteorological, hydrological and water quality data to include data collected up to October 2022.

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• 2021 Annual Report, Long-Term Performance Monitoring Program: Clinton Creek Mine PDF

  Date updated:

  2023-10-03

  This geotechnical monitoring program aims to capture year-to-year movements of mine waste rock and tailings piles at the former Clinton Creek mine site. It assesses the risk of failure of stabilization works, evaluates movement at key locations...

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• Clinton Creek Remediation Project: Closure of Post 10% Design Services Data Gaps (draft) PDF

  Date updated:

  2023-02-03
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• Clinton Creek Surface Water Quality and Hydrological Investigations Quarterly Report: May 2022 PDF

  Date updated:

  2023-10-03

  This quarterly report provides hydrology and water quality results from the May 2022 monitoring event as part of the 2022-23 Clinton Creek Water Monitoring Program.

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• Clinton Creek Surface Water Quality and Hydrological Investigations Quarterly Report: August 2022 PDF

  Date updated:

  2023-10-03

  This quarterly report provides hydrology and water quality results from the August 2022 monitoring event as part of the 2022-23 Clinton Creek Water Monitoring Program.

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• Assessments of the Revegetation Options Conducted at the Waste Rock Dump at Clinton Creek: Year One PDF

  Date updated:

  2023-10-03

  This report is an assessment of revegetation techniques used to augment naturally occurring processes at the abandoned Clinton Creek mine site.

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• Clinton Creek Mine Waste Rock Dump: Assessment of Revegetation Potential, July 2008 PDF

  Date updated:

  2023-10-03

  An investigation into how to augment the naturally occurring revegetation of the Clinton Creek waste rock dump slopes and recommendations for future assisted revegetation efforts.

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• An Environmental Assessment of the Effects of Cassiar Asbestos Corporation on Clinton Creek, Yukon Territory PDF

  Date updated:

  2023-10-03

  A 1974-75 assessment of the chemical and biological impacts of the Clinton Creek mine site. The results presented in this report indicate significant adverse effects on the invertebrate communities and fish populations.

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• Final Report on Human Health Screening Level Risk Assessment for Clinton Creek Abandoned Asbestos Mine PDF

  Date updated:

  2023-10-03

  This report assesses the potential impacts on human health from exposure to hazards at the Clinton Creek site. It was part of a 24-site study by the Government of Canada to inform future funding priorities.

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• Clinton Creek Mine Site: Fisheries and Benthic Invertebrate Assessment Monitoring, 2007 PDF

  Date updated:

  2023-10-03

  A summer 2007 investigation designed to assess the impacts of the Clinton Creek mine site's gabion basket drop structures constructed at the outlet of Hudgeon Lake within Clinton Creek on fish and benthic invertebrate utilization upstream.

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• Health Assessment of Slimy Sculpin in Three Yukon Streams PDF

  Date updated:

  2023-10-03

  This report aims to identify short and long-term effects of asbestos exposure on fish health in the Clinton Creek ecosystem to inform the closure planning process for the site.

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• Geotechnical Evaluation: Borrow Source Assessment – Clinton Creek Area, Dawson, Yukon – 2015 PDF

  Date updated:

  2023-10-03

  This 2015 geotechnical assessment identifies and considers potential borrow sources along readily accessible areas of the abandoned Clinton Creek asbestos mine to support on-site care and maintenance, and long-term site remediation.

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• Aquatics Existing Conditions Investigations at Clinton Creek Mine Site, 2016 PDF

  Date updated:

  2023-10-03

  A detailed survey of the existing aquatic conditions at several sites at the former Clinton Creek mine. The survey includes the following: fisheries analysis, habitat assessment, benthic invertebrates, water temperature profiling, water quality...

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• Clinton Creek Site: Fish Utilization and Passage – March 2017 revision PDF

  Date updated:

  2023-10-03

  This report focuses on the fish habitat utilization of Clinton Creek. It provides a summary of pre-mining aquatic baseline conditions, describes the downstream effects of Hudgeon Lake and anticipates the effects various mine remediation options...

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• Clinton Creek Remediation Project: Human Health and Ecological Risk Assessment Update PDF

  Date updated:

  2023-10-04

  The purpose of this report is to update the 2017 Human Health and Ecological Risk Assessment (HHERA) report with new information. This HHERA Update does not replace the 2017 HHERA, rather it supplements it with new information and should be read...

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• Clinton Creek Remediation Project: Dam Breach Assessment PDF

  Date updated:

  2023-10-04

  A slide of tailings in 1974 partially dammed Clinton Creek's flow path and formed Hudgeon Lake. This report evaluates 6 engineered options (10% design) that could remediate the geotechnical hazards created by sliding tailings and close the Clinton...

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• Clinton Creek Remediation Project: 10% Design Phase Cost Estimate PDF

  Date updated:

  2023-10-04

  This document presents 10% Design Phase cost estimates for the candidate closure options for the abandoned Clinton Creek mine.

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• Clinton Creek Remediation Project: Environmental Site Characterization Update PDF

  Date updated:

  2023-10-04

  The document provides results from a 2018 field investigation about Clinton Creek mine site conditions that would factor into selection of a closure concept.

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• Geotechnical Summary: Clinton Creek Remediation Project (revised December 2019) PDF

  Date updated:

  2023-10-04

  This report summarizes the geotechnical studies undertaken in support of the Clinton Creek Remediation Project 10% Design Phase. It serves as a collection of various engineering memorandums that have been completed as a part of the 10% design of...

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• Clinton Creek Remediation Project: 10% Design Phase Report PDF

  Date updated:

  2023-10-04

  This report targets 6 options for reclamation of the Clinton Creek and Wolverine Creek mine areas. The designs for each of the 6 options were developed taking into consideration the design criteria for Closure – Passive Care under Canadian Dam...

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• Clinton Creek Remediation Project: 10% Design Phase – Alternative Designs PDF

  Date updated:

  2023-10-04

  This report takes an alternate design approach for closure of the Clinton Creek mine that focuses on meeting the design standards for Closure – Active Care under Canadian Dam Association (CDA) guidelines.

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• Clinton Creek Site 2019 Bat Investigation Report PDF

  Date updated:

  2023-10-04

  This study investigates whether bats occur at the Clinton Creek mine site and, if they do, to both identify the species of bats and investigate where they may be roosting.

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• Ecological Landscape Classification and Rare Plant Assessment Report for the Clinton Creek Mine Site PDF

  Date updated:

  2023-10-04

  This report updates a previous vegetation study report and provides the findings of the 2016 and 2019 field programs to map the vegetation communities within the Clinton Creek area. It also summarizes the findings of the 2016 rare plants...

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• Clinton Creek Site: 2016-2018 Terrestrial Existing Conditions Report PDF

  Date updated:

  2023-10-04

  This report presents information on environmental studies conducted at the Clinton Creek mine site between 2016 and 2018. Its primary objective was to collect information on existing vegetation and wildlife resources at the site to describe...

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• Clinton Creek Site: 2017-2018 Fish and Fish Habitat Existing Conditions Studies Report PDF

  Date updated:

  2023-10-04

  This report presents information on fishery-related environment studies conducted at the Clinton Creek mine site between 2016 and 2018. Its primary objective was to collect information on local fish and fish habitats to describe existing...

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