Aquatic Effects Monitoring (AEMP)

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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
Aquatic Response Plan for Potassium, Version 1.0, Ekati Diamond Mine (Dominion Diamond, March 2015)
2015Report
Ekati Diamond Mine Aquatic Response Plan for Potassium, Version 1.0, prepared by Dominion Diamond Ekati Corporation, March 31 2015, submitted to Violet Camsell-Blondin, Chair, Wek'èezhli Land and Water Board (WLWB), Yellowknife. Documents Total Potassium concentrations at AEMP Lake Sites 1994-2014 (Reference: ERM, Nanuq, Vulture), Action Level status for King-Cujo and Pigeon-Fay / Upper Exeter watersheds (action level not reached), potassium source attribution to Process Plant kimberlite processing (particularly underground kimberlite per Rescan 2012c), and references to ERM-Rescan Long Lake Containment Facility water quality work.
Aquatics Aquatic Effects Monitoring (AEMP)Water Quality
WLWB Public Hearing — Lynx Project Water Licence & Land Use Permit, Ekati Diamond Mine (Multiple parties, February 2014)
6 February 2014Report
Public hearing proceedings (February 6-7, 2014) for Dominion Diamond Ekati Corporation's proposed Lynx Project water licence renewal and land use permit applications before the Wek'eezhii Land and Water Board, including presentations and interventions from IEMA, AANDC, Lutsel K'e Dene First Nation, Yellowknives Dene First Nation, and the proponent addressing water management, wildlife protection, closure planning, and regulatory compliance.
Regulatory Water Licence Water Quality
Aquatic Effects Monitoring Program (AEMP) Plan for 2013–2015, Ekati Diamond Mine (Dominion Diamond, April 2013)
2013Report
Aquatic Effects Monitoring Program (AEMP) Plan for 2013 to 2015 for the Ekati Diamond Mine, prepared by Rescan Environmental Services Ltd. for Dominion Diamond Ekati Corporation, April 29 2013. Submitted to Violet Camsell-Blondin, Chair, Wek'èezhìı Land and Water Board (WLWB), Yellowknife. Covers benchmark comparisons (Site-Specific Water Quality Objectives, CCME, Health Canada, British Columbia Ministry of Environment), biological archiving program (phytoplankton, zooplankton, benthic invertebrates, fish ageing samples, voucher collection), Kruskal-Wallis and two-way ANOVA evaluations of individual lakes, and the WLWB Decision for the 2012 AEMP Report.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Aquatic Effects Monitoring Program (AEMP) Summary Report, Ekati Diamond Mine (BHP Billiton, March 2013)
28 March 2013Report
BHP Billiton's 2012 Aquatic Effects Monitoring Program report presents annual results from monitoring aquatic ecosystems at the Ekati Diamond Mine in the Northwest Territories, submitted under Water Licence W2009L2-0001. The report concludes that changes observed in water quality, plankton, and benthos communities do not appear to have influenced fish populations or health in monitored lakes, though laboratory contamination issues affected some fish tissue metal analyses.
Aquatic Effects Monitoring (AEMP)Water Quality Monitoring
Aquatic Effects Monitoring Program (AEMP) Part 1 — Evaluation of Effects, Ekati Diamond Mine (BHP Billiton, March 2013)
1 March 2013Report
This is a comprehensive 2012 aquatic effects monitoring report for the Ekati Diamond Mine covering the Koala and King-Cujo watersheds, evaluating physical limnology, water quality, plankton, benthos, and fish populations across multiple lakes and streams using statistical and graphical analyses to assess mining-related impacts.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Aquatic Effects Monitoring Program (AEMP) Part 2 — Data Report, Ekati Diamond Mine (BHP Billiton, March 2013)
1 March 2013Report
This 2012 Aquatic Effects Monitoring Program (AEMP) Part 2 Data Report presents comprehensive field methodology and detailed monitoring data for the aquatic environment at BHP Billiton's Ekati Diamond Mine. The report documents physical limnology, water quality, plankton, benthic invertebrates, fish communities, hydrology, and meteorology data collected from October 2011 to September 2012 across multiple lakes and streams in the Koala and King-Cujo watersheds.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Panda Diversion Channel Proposed Habitat Enhancements, Ekati Diamond Mine (BHP Billiton, December 2012)
21 December 2012Report
BHP Billiton proposes final habitat enhancements to the Panda Diversion Channel to fulfill the 1996 Fish Habitat Compensation Agreement with Fisheries and Oceans Canada, including transplantation of 139 eelgrass clumps and installation of seven rocky ramps, three groyne pairs, and boulder clusters to increase habitat variability for Arctic grayling and other fish species.
Fish Habitat Aquatics Aquatic Effects Monitoring (AEMP)Development Plans
Aquatic Effects Monitoring Program (AEMP) Re-evaluation, Ekati Diamond Mine (BHP Billiton, December 2012)
3 December 2012Report
BHP Billiton's 2012 Aquatic Effects Monitoring Program Re-evaluation for EKATI Diamond Mine proposes updates to monitoring design, sampling methods, and analysis techniques for the 2013-2015 period, including new sampling stations, modified variable evaluation lists, and multivariate statistical analyses, along with a proposed Pigeon project AEMP plan. The report addresses stakeholder comments and provides 33 recommendations to improve detection of potential mine effects on aquatic ecosystems.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Work Plan for the Fish Component of the Aquatic Effects Monitoring Program (AEMP), Ekati Diamond Mine (BHP Billiton, May 2012)
28 May 2012Report
This is a revised work plan for the fish component of the 2012 Aquatic Effects Monitoring Program at EKATI Diamond Mine, incorporating recommendations from the Wek'èezhii Land and Water Board. The plan details sampling methodologies for lake trout, round whitefish, and slimy sculpin across nine AEMP lakes, including non-lethal sampling techniques, tissue analyses for metals and hydrocarbons, and palatability assessments using DELT analysis and traditional knowledge.
Aquatic Effects Monitoring (AEMP)Aquatics Monitoring
Aquatic Effects Monitoring Program (AEMP) Summary Report, Ekati Diamond Mine (BHP Billiton, April 2012)
5 April 2012Report
BHP Billiton's 2011 Aquatic Effects Monitoring Program report for EKATI Diamond Mine documents changes in aquatic ecosystem parameters across the Koala and King-Cujo watersheds, finding 16 water quality variables with elevated concentrations downstream of the Long Lake Containment Facility discharge point, along with biological changes in phytoplankton and zooplankton communities, assessed against reference lakes and baseline conditions.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Aquatic Effects Monitoring Program (AEMP) Part 2 — Data Report, Ekati Diamond Mine (BHP Billiton, April 2012)
1 April 2012Report
This is the 2011 Aquatic Effects Monitoring Program Part 2 Data Report for the Ekati Diamond Mine, prepared by Rescan Environmental Services for BHP Billiton Canada Inc. in April 2012. The report documents comprehensive aquatic environmental monitoring data collected from October 2010 to September 2011, including meteorology, hydrology, water quality, physical limnology, and biological communities (phytoplankton, zooplankton, benthic invertebrates) across lakes and streams in the Koala and King-Cujo watersheds.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Aquatic Effects Monitoring Program (AEMP) Part 1 — Evaluation of Effects, Ekati Diamond Mine (BHP Billiton, April 2012)
1 April 2012Report
This 2011 Aquatic Effects Monitoring Program report evaluates the effects of Ekati Diamond Mine operations on aquatic ecosystems in the Koala and King-Cujo watersheds. The comprehensive analysis covers water quality, sediment quality, physical limnology, and biological communities (phytoplankton, zooplankton, and benthos) across multiple lakes and streams over an 18-year monitoring period.
Aquatics Aquatic Effects Monitoring (AEMP)Water Quality
Panda Diversion Channel Monitoring Program Final Report, Ekati Diamond Mine (BHP Billiton, March 2012)
1 March 2012Report
This is the final year (2011, 13th year) of monitoring the Panda Diversion Channel (PDC), a compensatory fish habitat constructed in 1997 to offset stream losses from Ekati Diamond Mine development. The report assesses the PDC's effectiveness through measurements of physical habitat (flow, temperature, water quality, culverts, enhancement structures), biological productivity (benthic invertebrates, vegetation, fish populations), and Arctic grayling use, concluding that the PDC has successfully matured and serves its purpose as defined in the 1996 Fish Habitat Compensation Agreement with Fisheries and Oceans Canada.
Fish Habitat Aquatic Effects Monitoring (AEMP)Monitoring Traditional Knowledge
Long Lake Containment Facility (LLCF) Nitrate In Situ Treatment Test, Ekati Diamond Mine (BHP Billiton, August 2011)
22 August 2011Letter
This report documents the 2010 Long Lake Containment Facility Nitrate In Situ Treatment Test, in which monopotassium phosphate fertilizer was applied to Cell D to stimulate phytoplankton growth and reduce nitrate concentrations. While Phase II (2009) achieved a 19% reduction in nitrate load, Phase III (2010) showed no statistically significant reduction despite residual phosphate benefits and a large early phytoplankton bloom, likely due to efficient zooplankton grazing that collapsed the bloom in late July.
Wastewater Water Quality Aquatics
Fay Bay Monitoring Program, Ekati Diamond Mine (BHP Billiton, August 2011)
12 August 2011Report
This report presents the 2010 Fay Bay Aquatic Monitoring Program results following an unplanned processed kimberlite (PK) release in May 2008. The monitoring data indicate recovery of both aquatic and terrestrial environments, with vegetation re-establishing and water quality parameters returning toward baseline conditions, though some chemical effects remain three years after the incident.
Aquatics Aquatic Effects Monitoring (AEMP)Water Quality
Environmental Agreement and Water Licence Annual Report, Ekati Diamond Mine (BHP Billiton, April 2011)
30 April 2011Report
BHP Billiton Canada Inc.'s 2010 Environmental Agreement and Water Licence Annual Report documents compliance with Type A Water Licence W2009L2-0001 and the Environmental Agreement for the Ekati Diamond Mine. The report provides comprehensive data on water and waste management, mining operations (4.9 million tonnes of ore processed), environmental monitoring programs, spill incidents, and closure and reclamation planning with an updated liability estimate of $157 million CAD.
Environmental Agreement Water Licence Water Quality
Aquatic Effects Monitoring Program (AEMP) Summary Report, Ekati Diamond Mine (BHP Billiton, April 2011)
19 April 2011Report
BHP Billiton's 2010 Aquatic Effects Monitoring Program summary report presents results from 13 consecutive years of monitoring in the Koala Watershed and 10 years in the King-Cujo Watershed at Ekati Diamond Mine. The report documents water quality changes, biological effects, and four specialized studies, finding mine-related impacts on phytoplankton diversity and nitrogen concentrations in lakes downstream of the Long Lake Containment Facility.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Aquatic Effects Monitoring Program (AEMP) Part 1 — Evaluation of Effects, Ekati Diamond Mine (BHP Billiton, April 2011)
1 April 2011Report
This 2010 Aquatic Effects Monitoring Program report evaluates long-term trends and mine-related effects on aquatic ecosystems in the Koala and King-Cujo watersheds at EKATI Diamond Mine, including analysis of water quality, physical limnology, and biological communities (phytoplankton, zooplankton, and benthos) across multiple lakes and streams.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality
Aquatic Effects Monitoring Program (AEMP) Part 2 — Data Report, Ekati Diamond Mine (BHP Billiton, April 2011)
1 April 2011Report
This 2010 Aquatic Effects Monitoring Program (AEMP) Part 2 Data Report for Ekati Diamond Mine presents comprehensive aquatic environmental monitoring results and field methodologies for the October 2009 to September 2010 period. The report documents meteorological, hydrological, physical limnological, water quality, and biological monitoring data (phytoplankton, zooplankton, and benthic invertebrates) from lakes and streams in the Koala and King-Cujo watersheds, including three special studies on benthos mesh size, sediment sampling methods, and sediment hydrocarbons.
Aquatic Effects Monitoring (AEMP)Aquatics Water Quality

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