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Air Quality Monitoring Program (AQMP) Report 2017, Comment Letter, Ekati Diamond Mine (Independent Environmental Monitoring Agency, May 2018)
30 May 2018Letter
The Independent Environmental Monitoring Agency provides comments on Dominion Diamond Ekati ULC's 2017 Air Quality Monitoring Program Report, noting improvements but raising concerns about declining data capture rates for PM2.5 and TSP, dustfall impacts on vegetation and caribou, and the need for enhanced dust suppression and spring monitoring protocols.
Air Quality Particulate Matter Dust Deposition
Air Quality Monitoring Program (AQMP) Report, Ekati Diamond Mine (Dominion Diamond, March 2018)
31 March 2018Report
This is the 2017 Air Quality Monitoring Program report for the Ekati Diamond Mine, covering monitoring data from 2015 to 2017. The report presents results from seven monitoring components including meteorological data, air emissions and greenhouse gas calculations, ambient air quality monitoring, dustfall monitoring, acid and metal deposition, snow chemistry, and lichen tissue sampling, demonstrating that mine effects on air quality are limited to approximately 1 km for fugitive dust and 15 km for smaller particles.
Air Quality Monitoring Greenhouse Gas
Lake Sediment Literature Review, Interim Closure and Reclamation Plan (ICRP) Version 3.0, Ekati Diamond Mine (Dominion Diamond, March 2018)
1 March 2018Report
This literature review examines the suitability of stockpiled lake sediment from the Ekati Diamond Mine as a reclamation substrate for revegetating rock pads and tailings. The document synthesizes greenhouse trials, field studies, and long-term monitoring data (1995–2017) to assess lake sediment's physical and chemical properties, limitations, and potential when used alone or in combination with glacial till, topsoil, or processed kimberlite.
Closure & Reclamation Revegetation Waste Rock Monitoring
Aquatic Effects Monitoring Program (AEMP) 2016 Annual Report, Review and Comments, Ekati Diamond Mine (Independent Environmental Monitoring Agency, July 2017)
7 July 2017Letter
The Independent Environmental Monitoring Agency reviews Dominion Diamond Ekati Corporation's 2016 Aquatic Effects Monitoring Plan Annual Report and provides comments on water quality exceedances in Koala and King-Cujo watersheds, recommendations for improved data visualization, and recommendations for harmonizing monitoring methodologies with Diavik to address cumulative impacts on Lac de Gras.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Aquatic Effects Monitoring Program (AEMP) Part 1, Evaluation of Effects, Ekati Diamond Mine (Dominion Diamond, March 2017)
31 March 2017Report
The 2016 Aquatic Effects Monitoring Program (AEMP) annual report for the Ekati Diamond Mine evaluates aquatic effects across multiple watersheds through comprehensive monitoring of physical limnology, water quality, and aquatic biology. The report compares 2016 monitoring results to predicted water quality benchmarks and historical baseline data to assess mine-related impacts on lakes and streams.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Waste Rock and Waste Rock Storage Area Seepage Survey Report, Ekati Diamond Mine (Dominion Diamond, March 2017)
31 March 2017Report
This 2016 Waste Rock and Waste Rock Storage Area Seepage Survey Report documents monitoring of waste rock storage areas and seepage quality at the Ekati Diamond Mine, prepared by SRK Consulting for Dominion Diamond Ekati Corporation in compliance with Water Licence W2012L2-0001. The report presents results from waste rock sampling, coarse kimberlite reject characterization, and seepage monitoring conducted during freshet, summer, and fall surveys across multiple mine areas including Panda/Koala, Fox, Misery, Pigeon, and Lynx.
Waste Rock Acid Rock Drainage Geochemistry
Aquatic Effects Monitoring Program (AEMP) Summary Report, Ekati Diamond Mine (Dominion Diamond, March 2017)
31 March 2017Report
This is the 2016 Aquatic Effects Monitoring Program (AEMP) Summary Report for the Ekati Diamond Mine, submitted by Dominion Diamond Ekati Corporation to the Wek'èezhìi Land and Water Board under Water Licence W2012L2-0001. The report documents comprehensive monitoring of aquatic ecosystems across multiple watersheds (Koala, King-Cujo, Pigeon-Fay, Upper Exeter, and Carrie Pond) to detect changes potentially caused by mine activities, evaluating physical limnology, water quality, and biological parameters including phytoplankton, zooplankton, and benthos communities.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Aquatic Effects Monitoring Program (AEMP) Part 2, Data Report, Ekati Diamond Mine (Dominion Diamond, March 2017)
31 March 2017Report
This is the 2016 Aquatic Effects Monitoring Program Part 2 – Data Report for the Ekati Diamond Mine, submitted to the Wek'èezhìi Land and Water Board in March 2017. The report presents comprehensive field methodology and detailed monitoring data for aquatic environmental components including hydrology, physical limnology, water quality, phytoplankton, zooplankton, and benthic invertebrates collected from October 2015 to September 2016 across multiple lakes and streams in four watersheds surrounding the mine.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Aquatic Effects Monitoring Program (AEMP) 2016 Annual Report, Part 3 - Statistical Report, Ekati Diamond Mine (Dominion Diamond, March 2017)
31 March 2017Report
This is Part 3 of the 2016 Aquatic Effects Monitoring Program (AEMP) annual report for Ekati Diamond Mine, submitted to the Wek'èezhìi Land and Water Board under Water Licence W2012L2-0001. The document presents detailed statistical analyses of water quality, plankton, and benthic data collected from monitored and reference lakes in multiple watersheds, using linear mixed effects regression and before-after-control-impact (BACI) design methodologies to evaluate potential mine-related effects on aquatic ecosystems.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Environmental Impact Report, Final Agency Comments, Ekati Diamond Mine (Independent Environmental Monitoring Agency, January 2017)
11 January 2017Letter
The Independent Environmental Monitoring Agency provides final review comments on Dominion Diamond Ekati Corporation's 2016 Environmental Impact Report, approving it for submission while offering recommendations for improvement across chapters on environmental management, air quality, land use, water quality, and wildlife monitoring.
Development Plans Correspondence Monitoring
Environmental Impact Report 2016 Plain Language Summary, Ekati Diamond Mine (Dominion Diamond, September 2016)
1 September 2016Report
This 2016 Environmental Impact Report Plain English Summary from Dominion Diamond Ekati Corporation describes the ongoing environmental management and monitoring at the Ekati Diamond Mine in the Northwest Territories, covering mining activities from 2012-2015, key environmental risks across air, land, water, and wildlife categories, and future operations planned through 2018. The report fulfills requirements of the 1997 Environmental Agreement and details adaptive management practices, community engagement, and compliance with regulatory instruments including water licences and Fisheries Act authorizations.
Development Plans Monitoring Environmental Agreement
Aquatic Effects Monitoring Program (AEMP) Fish Response Plan, Version 1.0, Ekati Diamond Mine (Dominion Diamond, April 2016)
30 April 2016Report
This Aquatic Response Plan for Fish addresses low action level exceedances detected in 2012 for tissue metals (antimony, molybdenum, selenium, uranium) and EROD activity in lake trout and round whitefish at the Ekati Diamond Mine, submitted to the Wek'èezhìi Land and Water Board in compliance with Water Licence W2012L2-0001. The report describes the likely causes of exceedances (elevated metal concentrations in water and sediments downstream of the Long Lake Containment Facility and King Pond Settling Facility), ecological implications, and proposes response actions including toxicology literature review and fish growth studies to establish medium and high action levels.
Aquatics Aquatic Effects Monitoring (AEMP)Water Quality
Aquatic Effects Monitoring Program (AEMP) 2015 Annual Report, Summary Report, Ekati Diamond Mine (Dominion Diamond, March 2016)
31 March 2016Report
The 2015 Aquatic Effects Monitoring Program (AEMP) Summary Report documents the comprehensive annual monitoring of aquatic ecosystems at the Ekati Diamond Mine across four watersheds (Koala, King-Cujo, Carrie Pond, and Pigeon-Fay/Upper Exeter), assessing water quality, physical limnology, and biological communities to detect mine-related environmental changes. The report includes evaluation of effects, action level exceedances under the Aquatic Response Framework, and response plans for nitrogen and potassium exceedances.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Status and Trends of Water Chemistry and Flow in the Coppermine and Lockhart River Basins, Final Report (Stantec, March 2015)
31 March 2015Report
This final report by Stantec evaluates the status and trends of water chemistry and flow in the Coppermine and Lockhart River watersheds in the Northwest Territories, analyzing 50+ years of monitoring data from Environment Canada and GNWT to assess spatial variability, seasonality, and temporal trends in response to mining development and other pressures.
Water Quality Monitoring Aquatic Effects Monitoring (AEMP)Regulatory
Wildlife Effects Monitoring Program (WEMP), Ekati Diamond Mine (Dominion Diamond, March 2015)
31 March 2015Report
This 2014 Wildlife Effects Monitoring Program annual report documents wildlife monitoring activities at the Ekati Diamond Mine from January 1 to December 31, 2014, covering habitat loss (52.2 ha in 2014, 3,293.9 ha cumulative), wildlife-vehicle interactions (19 mortalities), non-vehicle mortalities and incidents, and detailed observations of caribou, grizzly bears, wolves, wolverines, foxes, raptors, and breeding birds.
Monitoring Wildlife Caribou Wolverine
Aquatic Effects Monitoring Program (AEMP) Summary Report, Ekati Diamond Mine (Dominion Diamond, March 2015)
31 March 2015Report
The 2014 Aquatic Effects Monitoring Program (AEMP) annual report for the Ekati Diamond Mine documents comprehensive monitoring of aquatic ecosystems across multiple watersheds (Koala, King-Cujo, Pigeon-Fay, and Upper Exeter) to detect mine-related changes in water quality, physical limnology, sediment quality, and biological communities. The report includes updates to the Nitrogen Response Plan and a new Potassium Response Plan as required under Water Licence W2012L2-0001.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Aquatic Effects Monitoring Program (AEMP) Part 1 — Evaluation of Effects, Ekati Diamond Mine (Dominion Diamond, March 2015)
20 March 2015Report
The 2014 Aquatic Effects Monitoring Program (AEMP) evaluation assesses environmental effects of the Ekati Diamond Mine on lake and stream water quality, sediment composition, and aquatic biology across multiple watersheds including Koala, King-Cujo, and Pigeon-Fay, using statistical analysis and comparison to historical baseline data from 1994–2014.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Aquatic Effects Monitoring Program (AEMP) Part 2 — Data Report, Ekati Diamond Mine (Dominion Diamond, March 2015)
20 March 2015Dataset
This is the 2014 Aquatic Effects Monitoring Program Part 2 - Data Report for the Ekati Diamond Mine, documenting comprehensive field sampling and laboratory analyses of the aquatic environment from October 2013 to September 2014. The report presents detailed methodology and results for monitoring meteorology, hydrology, physical limnology, water quality, phytoplankton, zooplankton, benthic invertebrates, and sediment quality across multiple lakes and streams in four watersheds surrounding the mine.
Aquatics Aquatic Effects Monitoring (AEMP)Water Quality
Northwest Territories 2015 Environmental Audit (Audit Steering Committee, 2015)
~2015Report
Approximate date — inferred from filename
The Northwest Territories 2015 Environmental Audit examines the effectiveness of the regulatory system under the Mackenzie Valley Resource Management Act and monitoring methods for cumulative environmental impacts, with SENES Consultants conducting the independent audit and an Audit Steering Committee overseeing the process. The audit will review regulatory effectiveness, identify information gaps related to caribou, water, and fish, and provide recommendations to improve environmental management in the NWT.
Regulatory Monitoring Water Quality Traditional Knowledge Aquatics
Environmental Agreement and Water Licence Annual Report 2013 (Dominion Diamond, April 2014)
24 April 2014Presentation
This 2013 Environmental Agreement and Water Licence Annual Report documents Dominion Diamond Ekati Corporation's compliance with regulatory requirements for the Ekati Diamond Mine, including water management, waste disposal, mining operations, environmental monitoring, and reclamation activities throughout the reporting year.
Regulatory Water Licence Environmental Agreement

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844 documents · Page 7 of 43