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Aquatic Effects Monitoring Program (AEMP) Annual Report 2020, Part 1, Ekati Diamond Mine (Arctic Canadian Diamond Company, March 2021)
1 March 2021Report
The 2020 Aquatic Effects Monitoring Program (AEMP) Annual Report for the Ekati Diamond Mine documents a reduced field sampling program implemented due to COVID-19 care and maintenance operations, evaluating physical limnology, water quality, and aquatic biology across four monitored watersheds and associated downstream lakes. The report presents findings on mine-related changes in environmental parameters, Action Level exceedances, and Response Plans for the Koala, King-Cujo, Pigeon-Fay/Upper Exeter, and Horseshoe watersheds.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Aquatic Effects Monitoring Program (AEMP) 2020 Annual Report, Appendix A Data Report, Ekati Diamond Mine (Arctic Canadian Diamond Company, March 2021)
~2021Report
Approximate date — inferred from filename
This is the 2020 Aquatic Effects Monitoring Program (AEMP) Part 1 Annual Report Appendix A for the Ekati Diamond Mine, providing comprehensive tabular summaries of aquatic monitoring data collected from October 2019 to September 2020 across reference and monitored lakes and streams in five watersheds. The report documents physical limnology, water quality, sediment quality, plankton, benthos, and meteorological data collected under a reduced sampling program due to COVID-19 care and maintenance operations.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
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
Aquatic Effects Monitoring Program (AEMP) 2020 Annual Report, Appendix B, Historical Water Quality, Ekati Diamond Mine (Arctic Canadian Diamond Company, December 2020)
31 December 2020Report
This is Appendix B of the 2020 Aquatic Effects Monitoring Program (AEMP) Annual Report for Ekati Diamond Mine, presenting historical lake water quality data from 1994 to 2020 for 48 water quality variables across reference lakes and monitored lakes in five watersheds, with graphical trends and detection limits.
Aquatic Effects Monitoring (AEMP)Water Quality Aquatics
Aquatic Effects Monitoring Program (AEMP) 2019 Annual Report, Agency Comments, Ekati Diamond Mine (Independent Environmental Monitoring Agency, December 2020)
2 December 2020Letter
The Independent Environmental Monitoring Agency reviews Dominion Diamond Mines' 2019 Ekati Aquatic Effects Monitoring Plan Annual Report and provides six recommendations addressing concerns about dissolved oxygen in Cujo Lake, elevated selenium levels in fish tissues downstream of mining facilities, and mercury benchmarks in the Fish Response Plan that may not adequately protect Indigenous fish harvesters.
Aquatics Aquatic Effects Monitoring (AEMP)Water Quality
Air Quality Monitoring Program (AQMP) Report 2019, Agency Response Letter, Ekati Diamond Mine (Independent Environmental Monitoring Agency, July 2020)
20 July 2020Letter
The Independent Environmental Monitoring Agency reviews Dominion Diamond Mines' 2019 Air Quality Monitoring Program Report for Ekati, finding it acceptable while providing comments on mine footprint representation, unit conversion inconsistencies, and terminology standardization in comparisons to GNWT air quality standards.
Air Quality Monitoring Correspondence Development Plans
Water Licence and Environmental Agreement Annual Report 2019, Ekati Diamond Mine (Dominion Diamond, July 2020)
2 July 2020Report
Dominion Diamond Mines ULC's 2019 Environmental Agreement and Water Licence Annual Report documents compliance with regulatory requirements for the Ekati Diamond Mine, including water management, waste disposal, environmental monitoring programs, and operational activities across multiple mine pits and containment facilities in the Northwest Territories.
Water Licence Regulatory Monitoring
Water Licence and Environmental Agreement Annual Report 2019, Plain Language Summary, Ekati Diamond Mine (Dominion Diamond, July 2020)
2 July 2020Report
Dominion Diamond Mines' 2019 Environmental Agreement and Water Licence Annual Report Summary documents the Ekati Diamond Mine's environmental management, monitoring, and compliance activities throughout 2019. The report covers mining operations, waste management, water quality, air quality, wildlife monitoring, reclamation efforts, and regulatory compliance across multiple watersheds in the Northwest Territories.
Monitoring Water Quality Air Quality
Aquatic Effects Monitoring Program (AEMP) 2019 Annual Report, Part 1, Evaluation of Effects, Ekati Diamond Mine (Dominion Diamond, June 2020)
1 June 2020Report
This 2019 Aquatic Effects Monitoring Program report evaluates environmental effects on aquatic ecosystems around the Ekati Diamond Mine across multiple watersheds, presenting comprehensive water quality, physical limnology, and biological data collected from lakes and streams with historical trend analysis and statistical evaluation against benchmarks.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Aquatic Effects Monitoring Program (AEMP) 2019 Annual Report, Part 2, Data Report (Volume 1 of 2), Ekati Diamond Mine (Dominion Diamond, June 2020)
1 June 2020Report
This is the 2019 Aquatic Effects Monitoring Program Part 2 Data Report for the Ekati Diamond Mine, documenting comprehensive aquatic environmental monitoring conducted from October 2018 to September 2019 across multiple watersheds and lakes. The report presents detailed field methods, sampling design, and tabular and graphical results for physical limnology, water quality, sediment quality, hydrology, phytoplankton, zooplankton, and benthic invertebrate communities.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Aquatic Effects Monitoring Program (AEMP) 2019 Annual Report, Part 4 Summary Report, Ekati Diamond Mine (Dominion Diamond, June 2020)
1 June 2020Report
The 2019 Aquatic Effects Monitoring Program (AEMP) Summary Report documents the results of aquatic ecosystem monitoring at the Ekati Diamond Mine across four watersheds and associated lakes, evaluating physical limnology, water quality, biological parameters, and hydrological conditions to detect mine-related effects. The report presents data collection methods, climatic and hydrological conditions for 2019, and summaries of evaluation of effects for the Koala, King-Cujo, Pigeon-Fay/Upper Exeter, and Horseshoe watersheds.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Aquatic Effects Monitoring Program (AEMP) 2019 Annual Report, Part 2, Data Report (Volume 2 of 2), Ekati Diamond Mine (Dominion Diamond, June 2020)
1 June 2020Report
This is the 2019 Aquatic Effects Monitoring Program (AEMP) Part 2 Data Report for the Ekati Diamond Mine, documenting comprehensive environmental sampling and monitoring across multiple lakes, streams, and watersheds in the Northwest Territories. The report details field methods, data analysis, and results for meteorology, hydrology, physical limnology, water quality, and sediment quality monitoring conducted throughout 2019.
Aquatics Aquatic Effects Monitoring (AEMP)Water Quality
Aquatic Effects Monitoring Program (AEMP) 2019 Annual Report, Part 3 Statistical Report, Ekati Diamond Mine (Dominion Diamond, June 2020)
1 June 2020Report
This is the 2019 Aquatic Effects Monitoring Program Part 3 Statistical Report for the Ekati Diamond Mine, presenting comprehensive statistical analyses of water quality, phytoplankton, zooplankton, and benthos data collected from multiple watersheds and lakes. The report details regression modelling methods, hypothesis testing procedures, and results comparing monitored sites to reference sites across the Koala, King-Cujo, Pigeon-Fay, Upper Exeter, and Horseshoe watersheds.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Aquatic Effects Monitoring Program (AEMP) Re-Evaluation Plan, Comments, Ekati Diamond Mine (Independent Environmental Monitoring Agency, March 2020)
12 March 2020Letter
The Independent Environmental Monitoring Agency provides detailed comments on Dominion Diamond Mines' Ekati Aquatic Effects Monitoring Plan (AEMP) Re-Evaluation Plan, recommending continued monitoring of harvestable fish species, increased sampling frequency for contaminants, improved sediment sampling methods, inclusion of sediment-based benchmarks in the Aquatic Response Framework, and retention of dustfall and meteorological data in AEMP reporting.
Aquatics Aquatic Effects Monitoring (AEMP)Fish Habitat
Aquatic Effects Monitoring Program (AEMP) 2018 Annual Report Addendum, Review Letter, Ekati Diamond Mine (Independent Environmental Monitoring Agency, February 2020)
18 February 2020Letter
The Independent Environmental Monitoring Agency confirms it has reviewed the 2018 AEMP Annual Report Addendum submitted by Dominion Diamond Mines ULC and is satisfied with clarifications provided, determining that a formal review is not necessary.
Correspondence Aquatic Effects Monitoring (AEMP)Water Quality
Aquatic Effects Monitoring Program (AEMP) 2020 Annual Report, Appendix C, Aquatic Response Framework, Ekati Diamond Mine (Arctic Canadian Diamond Company, January 2020)
~2020Report
Approximate date — inferred from filename
This 2020 Aquatic Effects Monitoring Program annual report presents the results of comparing water quality and biological data to Aquatic Response Framework Action Levels for the Ekati Diamond Mine. The document identifies Action Level exceedances for four water quality variables (dissolved oxygen, chloride, total potassium, total phosphorus) and four biological variables (phytoplankton biomass, phytoplankton density, phytoplankton community composition, zooplankton community composition), and provides detailed summaries of existing Response Plans and their status.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality Benthic Invertebrates
Aquatic Effects Monitoring Program (AEMP) 2020–2022 Design Plan, Version 7.0, Appendix B, Ekati Diamond Mine (Dominion Diamond, December 2019)
15 December 2019Report
This document presents the proposed 2020 to 2022 Aquatic Effects Monitoring Program (AEMP) Design Plan Version 7.0 for the Ekati Diamond Mine, which consolidates monitoring across four geographic areas and incorporates the Aquatic Response Framework. The plan outlines comprehensive monitoring protocols for physical, chemical, and biological parameters in lakes and streams to detect mine-related effects on the aquatic environment.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Surveillance Network Program (SNP) Monthly Report, Ekati Diamond Mine (Dominion Diamond, December 2019)
1 December 2019Report
Dominion Diamond Mines' Surveillance Network Program (SNP) monthly report for December 2019 under Water Licence W2012L2-0001, submitted to the Wek'èezhìi Land and Water Board, documenting water sampling results, flow measurements, containment facility volumes, minewater pumping quantities, and comprehensive analytical chemistry data from five water samples collected at Ekati monitoring stations.
SNP Water Quality Regulatory
Aquatic Effects Monitoring Program (AEMP) 2019 Re-evaluation, Part 2, Ekati Diamond Mine (Dominion Diamond, December 2019)
1 December 2019Report
This 2019 Aquatic Effects Monitoring Program (AEMP) re-evaluation report for Ekati Diamond Mine presents principal components analysis (PCA) of lake and stream benthos data, fish biology variables, and fish tissue metal concentrations collected from 1994–2018. The analysis integrates monitoring data to assess spatial and temporal trends in aquatic communities and identify potential mine-related environmental effects.
Aquatic Effects Monitoring (AEMP)Aquatics Benthic Invertebrates
Aquatic Effects Monitoring Program (AEMP) 2019 Re-evaluation, Appendix C, Statistical Results Part 1, Ekati Diamond Mine (Dominion Diamond, December 2019)
1 December 2019Report
This is Appendix C of the 2019 Aquatic Effects Monitoring Program (AEMP) Re-evaluation for Ekati Diamond Mine, containing comprehensive statistical results from principal components analysis of water quality, sediment quality, and biological communities (phytoplankton, zooplankton, benthos, and fish) across multiple monitoring sites and years from 1994-2018.
Aquatics Aquatic Effects Monitoring (AEMP)Water Quality

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844 documents · Page 5 of 43