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821 documents · Page 29 of 42

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Stream Habitat Compensation Program, Panda Diversion Channel, Ekati Diamond Mine (BHP Billiton, May 1998)
1 May 1998Report
This is BHP Diamonds Inc.'s Stream Habitat Compensation Program report for the Panda Diversion Channel at Ekati Mine, describing the design, construction, and monitoring plans for creating fish habitat as compensation for impacts from mine development. The report details the physical characteristics of the constructed diversion channel between Panda and Kodiak Lakes, its hydrology, fish species present, and comprehensive habitat enhancement designs including fish passage structures, boulder clusters, and riffles to support arctic grayling, lake trout, and other native species.
Fish Habitat Aquatic Effects Monitoring (AEMP)Benthic Invertebrates Water Quality
Environmental Agreement Annual Report 1997, Ekati Diamond Mine (BHP Billiton, April 1998)
30 April 1998Report
BHP Diamonds Inc.'s 1997 Annual Report on the Ekati Diamond Mine construction and operations, detailing compliance with the Environmental Agreement and Water Licence N7L2-1616, including construction progress, water management, environmental monitoring results for aquatic and wildlife communities, and associated studies on fisheries, reclamation, and traditional knowledge.
Monitoring Water Quality Aquatics
Environmental Agreement Annual Report 1997, Ekati Diamond Mine (BHP Billiton, April 1998)
30 April 1998Report
BHP Diamonds Inc.'s 1997 annual report for the Ekati Diamond Mine documents the first year of construction and regulatory compliance under the Environmental Agreement and Water Licence N7L2-1616. The report covers construction progress (approximately 75% complete by year-end 1997), water management activities including dewatering of multiple lakes, comprehensive environmental monitoring results for aquatic ecosystems and wildlife, and compliance with water quality standards and discharge requirements.
Monitoring Water Quality Aquatics
Environmental Agreement Annual Report 1997, Ekati Diamond Mine (BHP Billiton, April 1998)
30 April 1998Report
BHP Diamonds Inc.'s 1997 Annual Report for the Ekati Diamond Mine documents construction progress, operational activities, and environmental compliance monitoring required under the Environmental Agreement and Water Licence N7L2-1616. The report covers facility construction, mine operations including Panda Pit development, water and sewage management, aquatic and wildlife monitoring programs, and fisheries mitigation studies for Canada's first diamond mine in the Northwest Territories.
Environmental Agreement Monitoring Water Quality
Nunavut General Monitoring Program (NGMP) Technical Workshop Final Report (GeoNorth Limited, April 1998)
21 April 1998Report
This is a final report on the Nunavut General Monitoring Program (NGMP) Technical Workshop held April 21-22, 1998 in Yellowknife. The workshop brought together representatives from government, Inuit organizations, and communities to develop monitoring frameworks across natural environment (terrestrial and aquatic), economic, and community wellness themes, proposing specific measurement tools and indicators for tracking environmental and social change in Nunavut.
Monitoring Traditional Knowledge Aquatics Water Quality Development Plans
Zach Pond Fisheries Resource and Habitat Survey, Ekati Diamond Mine (BHP Billiton, April 1998)
1 April 1998Report
Baseline fisheries resource and habitat survey of Zach Pond conducted in 1997 by Rescan Environmental Services for BHP Diamonds Inc. prior to proposed bulk sample drilling. Survey documented water quality characteristics, captured two burbot fish specimens, identified an isolated burbot population with minimal spawning habitat, and confirmed the dry outflow stream contained no fish habitat.
Fish Habitat Aquatic Effects Monitoring (AEMP)Water Quality
Operating Environmental Management Plan, Ekati Diamond Mine (BHP Billiton, April 1998)
1 April 1998Report
BHP Diamonds Inc.'s Operating Environmental Management Plan for the Ekati Diamond Mine in the Northwest Territories outlines comprehensive environmental protection and management strategies for the operational phase of the mine, covering air quality, water management, wildlife protection, waste management, reclamation, and monitoring programs aligned with regulatory requirements and the Environmental Agreement with Canadian and territorial governments.
Development Plans Air Quality Waste Rock
Aquatic Effects Monitoring Program (AEMP) Technical Overview Working Document, Ekati Diamond Mine (BHP Billiton, April 1998)
1998Report
BHP Diamonds Inc. Aquatic Effects Monitoring Program (AEMP) Technical Overview Working Document, Final, April 1998 (Version 4, 3/811-01). Prepared by EVS Environment Consultants (North Vancouver) for BHP Diamonds Inc. (Yellowknife). Covers AEMP study design Before/After × Reference/Impact factorial (Lake/Stream — Vulture, Grizzly, Nanuq, RAA reference sites), Appendix F rationalization of the choice and appropriateness of reference lakes within and outside the Koala watershed (criteria: prior exploration or development activity, potential for future activity), and simulated-disturbance abundance figures.
Aquatic Effects Monitoring (AEMP)Aquatics Monitoring Development Plans
Zach Pond 1997 Fisheries Resource and Habitat Survey (BHP Billiton, April 1998)
1 April 1998Report
This baseline fisheries resource and habitat survey of Zach Pond, a small oligotrophic tundra lake overlying a kimberlite pipe 11 km southeast of the Ekati Diamond Mine, documents fish populations, water quality, and habitat conditions prior to potential bulk sample drilling activities. The survey found an isolated burbot population with minimal available spawning habitat, clear slightly acidic water with low nutrient levels, and a dry outflow stream with no fish habitat.
Aquatics Fish Habitat Water Quality
Sable Lake Fisheries Resource and Habitat Survey, Ekati Diamond Mine (BHP Billiton, April 1998)
1 April 1998Report
This baseline fisheries resource and habitat survey of Sable Lake (8.9 ha), conducted in 1997 for BHP Diamonds Inc., documents water quality, fish community composition, and habitat conditions in preparation for potential future mining of a kimberlite pipe underlying the lake. The survey found the lake to be oligotrophic with 110 lake trout and 2 slimy sculpin, relatively low catch rates, boulder-dominated littoral habitat with minimal spawning areas, and a completely isolated fish community due to impassable inflow and outflow streams.
Fish Habitat Aquatics Water Quality Aquatic Effects Monitoring (AEMP)
Sable Lake 1997 Fisheries Resource and Habitat Survey (BHP Billiton, April 1998)
1 April 1998Report
This 1997 baseline fisheries survey of Sable Lake, a small oligotrophic tundra lake north of the Ekati Diamond Mine, documents fish community composition (110 lake trout and 2 slimy sculpin), habitat characteristics, and water quality conditions prior to potential future kimberlite mining. The isolated lake contains an estimated 99–189 lake trout susceptible to gill nets, with predominantly boulder substrate offering minimal spawning habitat and disconnected inflow/outflow streams.
Aquatics Fish Habitat Monitoring Development Plans Regulatory
Water Licence Annual Report for 1997, Water Licence N7L2-1616, Ekati Diamond Mine (BHP Billiton, March 1998)
31 March 1998Unknown / Unclassified
BHP Diamonds Inc.'s 1997 Annual Report for Water License N7L2-1616 documents water-related activities at the Ekati Diamond Mine during its construction phase. The report covers freshwater use, dewatering operations, process water management, sewage treatment, environmental monitoring, waste management plans, and spill incidents, with operational startup scheduled for October 1998.
Water Licence Wastewater Water Quality Waste Rock Closure & Reclamation
Technical Review of Acid/Alkaline Rock Drainage (ARD) and Geochemical Characterization Program and Waste Rock and Ore Storage Management Plan, Ekati Diamond Mine (Chris Mills, March 1998)
8 March 1998Report
Chris Mills provides a technical review of BHP Diamonds Inc.'s Acid/Alkaline Rock Drainage (ARD) and Geochemical Characterization Program and Waste Rock and Ore Storage Management Plan for the Ekati Diamond Mine. The review identifies critical uncertainties regarding the realizable neutralizing potential of kimberlitic materials proposed for blending with potentially acid-generating waste rock, particularly Misery Schist and Fox Diabase, and recommends additional quantitative mineralogical studies to resolve these uncertainties before final waste rock dump design.
Acid Rock Drainage Waste Rock Geochemistry Monitoring
Spill and General Contingency Plan, Ekati Diamond Mine (BHP Billiton, March 1998)
1 March 1998Report
BHP's Spill and General Contingency Plan for the Ekati Diamond Mine outlines emergency response procedures, safety protocols, and cleanup strategies for potential spills of petroleum products, chemicals, and other hazardous materials during mining operations and transportation. The plan includes detailed response actions for 24 different substance types, spill response organization, contact lists, equipment inventory, and environmental sensitivity mapping for the mine site and surrounding areas near Lac de Gras in the Northwest Territories.
Regulatory Wastewater Waste Rock Water Quality Environmental Agreement
Assessment of Kodiak Lake Mitigation for Oxygen Depletion, Ekati Diamond Mine (BHP Billiton, February 1998)
23 February 1998Report
This report assesses BHP Diamonds' response to rapid oxygen depletion in Kodiak Lake at the Ekati Mine in February 1998, evaluating mitigation measures including lake aeration, snow removal, sewage treatment modifications, and discharge alterations. The document provides monitoring data, literature review on Arctic lake limnology, and recommendations for continued monitoring and consultation with aeration experts.
Water Quality Aquatics Monitoring Aquatic Effects Monitoring (AEMP)
Aquatic Effects Monitoring Program (AEMP) Technical Overview Working Document, Final Draft Version 3, Ekati Diamond Mine (BHP Billiton, February 1998)
13 February 1998Report
This technical overview document details BHP Diamonds' Aquatic Effects Monitoring Program (AEMP) for the Ekati Diamond Mine, presenting a comprehensive framework for monitoring valued ecosystem components including water quality, sediment quality, and fish/aquatic habitat across the Koala drainage basin and reference lakes. The document outlines a tiered approach to monitoring, compliance requirements, stressors of potential concern (habitat impacts, sedimentation, contamination), and decision-making procedures to ensure the project does not cause significant adverse impacts on receiving aquatic ecosystems.
Aquatic Effects Monitoring (AEMP)Aquatics Fish Habitat Benthic Invertebrates
Panda Diversion Channel Sedimentation Management & Contingency Plan (BHP Billiton, February 1998)
1 February 1998Report
This is BHP Diamonds Inc.'s Sedimentation Management and Contingency Plan for the Panda Lake Diversion Channel at the Ekati Mine in the NWT, addressing sediment impacts to Kodiak Lake that occurred during the 1997 spring freshet. The plan outlines short-term stabilization and mitigation measures (including Grizzly Creek restoration, bank stabilization, and sediment curtains) and long-term monitoring and restoration strategies to minimize future sedimentation from channel construction and permafrost degradation.
Aquatics Water Quality Fish Habitat
Aquatic Effects Monitoring Program (AEMP) Technical Overview Working Document, Ekati Diamond Mine (BHP Billiton, January 1998)
27 January 1998Report
This technical overview document describes the Aquatic Effects Monitoring Program (AEMP) framework for the BHP Diamonds Project (Ekati), detailing objectives, valued ecosystem components (VECs), stressors of potential concern (SOPCs), monitoring parameters, and a tiered implementation approach to assess project impacts on aquatic ecosystems in the Northwest Territories.
Aquatics Aquatic Effects Monitoring (AEMP)Water Quality Benthic Invertebrates
Aquatic Monitoring Baseline Study Appendices, Ekati Diamond Mine (BHP Billiton, January 1998)
19 January 1998Report
1997 Aquatic Monitoring Baseline Study appendices for Ekati Diamond Mine, containing environmental sampling location maps and comprehensive water quality and sediment chemistry data from study lakes and streams.
Aquatics Aquatic Effects Monitoring (AEMP)Water Quality
Meteorology, Hydrology and Air Quality Studies, 1997 Environmental Data Report, Ekati Diamond Mine (BHP Billiton, January 1998)
9 January 1998Report
This 1997 environmental data report for the BHP Ekati Diamond Mine documents meteorology, hydrology, and air quality baseline monitoring conducted by Rescan Environmental Services. The report covers climate data from automated weather stations, stream flow measurements at seven hydrology sites, and total suspended particulate air quality monitoring, comparing 1997 results with historical data and regional reference stations.
Monitoring Air Quality Particulate Matter Development Plans

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821 documents · Page 29 of 42