Search the archive

Find documents by name, keyword, or question across the IEMA Ekati archive.

Showing only documents tagged Waste Rock.

472 documents · Page 3 of 24

Sort

Waste Rock Storage Area (WRSA) 3-Year Seepage Program Report, Part 2, Ekati Diamond Mine (Arctic Canadian Diamond Company, May 2023)
1 May 2023Report
This 2022 3-Year Waste Rock and Waste Rock Storage Area Seepage Survey Report documents environmental monitoring results from the Ekati Diamond Mine, analyzing seepage chemistry from multiple waste rock storage areas (Fox, Misery, Lynx, Panda, and Koala WRSAs) to assess water quality, metal/metalloid concentrations, and potential environmental concerns from 2002-2022.
Waste Rock Geochemistry Monitoring
Waste Rock Storage Area 3-Year Seepage Program Report, Part 3, Ekati Diamond Mine (Arctic Canadian Diamond Company, May 2023)
1 May 2023Report
Laboratory analytical results from Bureau Veritas for water samples collected from waste rock storage area seepage at Ekati Diamond Mine in June 2022, including chemical analyses, toxicology bioassays, and quality assurance documentation for three seepage monitoring stations.
Waste Rock Water Quality Monitoring
Land Use Permit Inspection Report, Point Lake Project, Ekati Diamond Mine (Government of the Northwest Territories, Environment and Climate Change, May 2023)
1 May 2023Regulatory Filing
Land Use Permit inspection report for the Ekati Diamond Mine Point Lake project conducted on March 13 and April 24, 2024, documenting compliance with permit conditions across road construction, waste rock storage, equipment management, and waste handling. The inspector found no concerns and all inspected operating conditions were rated acceptable.
Inspections Regulatory Land Use Permit Wastewater
Land Use Permit W2017D0004 Inspection, Misery Camp, Ekati Diamond Mine (Government of the Northwest Territories, Environment and Climate Change, May 2023)
1 May 2023Regulatory Filing
GNWT-ECC conducted a Land Use Permit inspection of the Ekati Diamond Mine's Misery Camp on February 28 and March 14, 2023, under permit W2017D0004. The inspection identified two minor concerns: a frozen and plugged refueling station containment sump requiring thawing before freshet, and unlabelled hydrocarbon storage containers requiring inventory and labelling.
Land Use Permit Regulatory Inspections Waste Rock Wastewater
Waste Rock Storage Area (WRSA) 3-Year Seepage Program Report, Part 4, Ekati Diamond Mine (Arctic Canadian Diamond Company, May 2023)
1 May 2023Report
This 2022 3-Year Waste Rock and Waste Rock Storage Area Seepage Survey Report presents temporal trend graphs (1999–2022) for multiple chemical parameters measured in seepage from the Panda/Koala and SW waste rock storage areas at Ekati Diamond Mine, including total and dissolved concentrations of metals, nutrients, and suspended solids.
Waste Rock Geochemistry Monitoring
Surveillance Network Program (SNP) Monthly Report, Ekati Diamond Mine (Arctic Canadian Diamond Company, April 2023)
1 April 2023Report
Arctic Canadian Diamond Company's April 2023 monthly Surveillance Network Program report for Water Licence W2020L2-0004, submitted to the Wek'èezhìi Land and Water Board, documenting water volumes, lake elevations, minewater management, sewage treatment, ore and waste rock production, and detailed water quality analytical results from two sampling events.
SNP Water Quality Monitoring Regulatory
Surveillance Network Program (SNP) Monthly Report, Ekati Diamond Mine (Arctic Canadian Diamond Company, February 2023)
1 February 2023Report
Arctic Canadian Diamond Company's February 2023 monthly Surveillance Network Program report for Water Licence W2020L2-0004, submitted to the Wek'èezhìi Land and Water Board, documenting water sampling results, flow and volume measurements, and operational monitoring data from the Ekati Diamond Mine.
SNP Water Quality Monitoring Waste Rock
Annual Water Licence Geotechnical Inspection (Government of the Northwest Territories, Environment and Climate Change, January 2023)
27 January 2023Report
Industrial water use inspection report for Ekati Diamond Mine (W2020L2-0004) conducted January 25-26, 2023 by GNWT Resource Management Officer Nahum Lee. The inspection found no major concerns across all inspected areas including Point Lake dewatering, waste facilities, fuel storage, and ammonium nitrate building, with all findings rated acceptable or not applicable.
Regulatory Water Licence Inspections Waste Rock Closure & Reclamation
Interim Closure and Reclamation Plan (ICRP) Version 3.1, Appendices A–D, Ekati Diamond Mine (Dominion Diamond, December 2022)
1 December 2022Report
This document is Appendix A-D of the Ekati Diamond Mine Interim Closure and Reclamation Plan Version 3.1 (December 2022), containing a comprehensive glossary of technical terms, acronyms, units of measure, a record of community and stakeholder engagement, and lessons learned from reclamation activities at Ekati and other northern mines.
Closure & Reclamation Waste Rock Water Quality
Interim Closure and Reclamation Plan (ICRP), Version 3.1, Part 2, Ekati Diamond Mine (Arctic Canadian Diamond Company, December 2022)
1 December 2022Report
This is the Ekati Diamond Mine Interim Closure and Reclamation Plan Version 3.1 (December 2022), a comprehensive regulatory document outlining the permanent closure and reclamation strategy for the Ekati mine, expected to continue operations until 2029. The plan presents site-wide closure objectives, criteria, and detailed reclamation approaches for seven planning areas including open pits, underground workings, waste rock storage areas, processed kimberlite containment facilities, water management infrastructure, and buildings/infrastructure, with emphasis on wildlife safety, caribou movement, ecosystem restoration, and community engagement.
Closure & Reclamation Closure Plan Waste Rock Revegetation
Waste Rock Geochemical Characterization and Kinetic Testing Report, Part 2, Ekati Diamond Mine (Arctic Canadian Diamond Company, August 2022)
1 August 2022Report
This report documents humidity cell test results and geochemical assessment of metasediment from the Point Lake Project at Ekati Diamond Mine, addressing water licence requirements for kinetic testing and investigation of NAG pH discrepancies. The study evaluates acid generation potential, metal leaching, and parameters of concern in Point Lake metasediment to inform waste rock storage area seepage predictions.
Waste Rock Acid Rock Drainage Geochemistry Regulatory
Water Licence Inspection Report, Ekati Diamond Mine (Government of the Northwest Territories, Environment and Climate Change, May 2022)
26 May 2022Report
Industrial water use inspection report for Ekati Diamond Mine conducted March 2 and April 20, 2022 by GNWT Department of Lands, documenting compliance with Water Licence W2020L2-0004 across multiple operational areas including fuel storage, waste management, aeration systems, and spill incidents. The inspector found no concerns and rated all inspected facilities as acceptable.
Regulatory Water Licence Inspections Water Quality
Environmental Agreement and Water Licence Annual Report 2021, Plain Language Summary, Ekati Diamond Mine (Arctic Canadian Diamond Company, May 2022)
19 May 2022Report
Arctic Canadian Diamond Company's 2021 Environmental Agreement and Water Licence Annual Report Plain Language Summary documents the Ekati Diamond Mine's environmental management and compliance with regulatory requirements. The report covers mining operations, water quality monitoring across multiple watersheds, air quality and greenhouse gas emissions, wildlife monitoring, waste management, and reclamation activities for the reporting year.
Monitoring Water Quality Regulatory
Waste Rock and Ore Storage Management Plan (WROMP), Version 11, 2019 Seepage Survey Report, Reasons for Decision, Ekati Diamond Mine (Wek'èezhìı Land and Water Board, March 2022)
15 March 2022Regulatory Filing
The Wek'èezhìi Land and Water Board issued a Reasons for Decision on March 15, 2022, approving Arctic Canadian Diamond Company's 2019 Seepage Survey Report but rejecting Version 11.0 of the Waste Rock and Ore Storage Management Plan (WROMP), requiring substantial revisions by May 30, 2022 to address water licence compliance issues related to seepage management and geochemical characterization.
Waste Rock Acid Rock Drainage Water Quality
Surveillance Network Program (SNP) Summary and Waste Rock Seepage Survey Report, Appendices A-B, Ekati Diamond Mine (Arctic Canadian Diamond Company, December 2021)
31 December 2021Report
This 2021 Surveillance Network Program (SNP) summary and Waste Rock Seepage Survey report documents water quality monitoring and effluent compliance at the Ekati Diamond Mine under Water Licence W2020L2-0004, including monthly sampling results from multiple surveillance stations, seepage quality assessments across waste rock storage areas, and identification of twelve seeps of potential concern requiring adaptive management.
SNP Water Quality Effluent Quality Criteria Regulatory
Interim Closure and Reclamation Plan (ICRP) 2021 Annual Progress Report, Ekati Diamond Mine (Arctic Canadian Diamond Company, December 2021)
23 December 2021Report
Arctic Canadian Diamond Company's 2021 Annual Closure and Reclamation Progress Report documents reclamation research, activities, and monitoring completed at the Ekati Diamond Mine to meet Water Licence W2020L2-0004 reporting requirements. The report details engagement activities, reclamation research findings, completed and planned progressive reclamation activities, and updates on reclamation security held by the Government of the Northwest Territories totaling $282,126,775 as of December 31, 2021.
Closure & Reclamation Closure Plan Revegetation Waste Rock Regulatory
Waste Rock and Ore Storage Management Plan (WROMP), Version 11.0, Ekati Diamond Mine (Arctic Canadian Diamond Company, June 2021)
29 June 2021Report
Arctic Canadian Diamond Company submitted Waste Rock and Ore Storage Management Plan (WROMP) Version 11.0 to the Wek'èezhìi Land and Water Board addressing regulatory directives and incorporating a new Seepage Response Framework to manage waste rock seepage quality at the Ekati Diamond Mine. The plan details geochemical characterization, storage area designs, monitoring protocols, and adaptive management procedures for multiple kimberlite pipes and waste rock storage areas across the mine site.
Waste Rock Acid Rock Drainage Geochemistry
Seepage Survey Report, Ekati Diamond Mine (Arctic Canadian Diamond Company, April 2021)
1 April 2021Report
This 2020 annual waste rock and seepage survey report for the Ekati Diamond Mine documents geochemical monitoring of waste rock storage areas and seepage quality from multiple mine pits and underground operations. The report identifies five seeps of potential concern based on exceedances of effluent quality criteria and 95th percentile screening thresholds, with detailed adaptive management responses outlined for each.
Waste Rock Acid Rock Drainage Geochemistry
Environmental Agreement and Water Licence Annual Report Summary, Ekati Diamond Mine (Arctic Canadian Diamond Company, December 2020)
31 December 2020Report
This 2020 Environmental Agreement and Water Licence Annual Report Summary for the Ekati Diamond Mine documents Arctic Canadian Diamond Company's environmental management and monitoring activities during a year when the mine entered Care and Maintenance due to COVID-19. The report covers water quality monitoring across multiple watersheds, air quality and greenhouse gas emissions, wildlife effects monitoring, waste management, spills reporting, and reclamation research activities.
Monitoring Water Quality Air Quality
Waste Rock and Ore Storage Management Plan (WROMP) Version 11 and Seepage Response Framework Version 1, Agency Comment Letter, Ekati Diamond Mine (Independent Environmental Monitoring Agency, August 2020)
19 August 2020Letter
The Independent Environmental Monitoring Agency provides detailed comments on the Ekati Diamond Mine Waste Rock and Ore Storage Management Plan Version 11 and Seepage Response Framework Version 1, recommending that neither document be approved in their current form. The letter identifies concerns regarding waste rock characterization methods, acid-base testing procedures, discontinuation of Sable waste rock sampling, diabase risk mitigation monitoring, and the adequacy of seepage threshold derivation and management approaches.
Waste Rock Acid Rock Drainage Geochemistry

Tags

472 documents · Page 3 of 24