Find documents by name, keyword, or question across the IEMA Ekati archive.
This 2001 waste rock storage area seepage and waste rock survey report documents monitoring results from the Ekati Diamond Mine in compliance with Water Licence N7L2-1616, evaluating seepage quality, waste rock geochemistry, thermal conditions, and groundwater characteristics at the Panda/Koala, Misery, and Coarse Kimberlite Reject storage areas.
This 2001 waste rock storage area seepage and waste rock survey report documents monitoring results from the Ekati Diamond Mine, including characterization of seepage quality, geochemical testing of waste rock from Panda, Koala, and Misery pits, thermal monitoring, and groundwater investigation conducted in compliance with Water Licence N7L2-1616. The report presents findings on acid-generating potential, seepage water types, and environmental impacts from multiple waste rock and kimberlite storage areas.
This research presentation investigates lake bottom sediment quality as an environmental indicator in four lakes of the Coppermine River basin headwaters, analyzing metal concentrations, sedimentation rates, and metal enrichment to determine anthropogenic and natural sources of contamination. Findings show elevated concentrations of several metals exceeding sediment quality guidelines, with lead and mercury enrichment attributed to long-range atmospheric transport, informing sediment quality targets and recommendations for policy development to reduce anthropogenic metal release.
This 2001 air-quality vegetation monitoring report for the Ekati Diamond Mine presents results from emissions-related lichen and vegetation sampling and establishes baseline data for proposed Sable Road dust monitoring. The study found significantly higher concentrations of aluminum, titanium, and iron in project-area lichens compared to reference areas, but attributes these to dust from mine activities rather than power plant emissions, with no detected effects on plant community composition or concern for toxicity.
This technical report presents results of the 2001 Kodiak Lake Sewage Effects Study, the second year of follow-up monitoring after a three-year specialized study (1997-1999) examining effects of treated sewage effluent discharge on the lake's aquatic ecosystem. The study found that Kodiak Lake has mostly recovered from eutrophication caused by past nutrient introduction, though current project activities (particularly the Panda Diversion Channel) continue to introduce elevated nitrate concentrations.
The 2001 Panda Diversion Channel Monitoring Program final report presents comprehensive environmental monitoring data from the stream habitat compensation program at Ekati Diamond Mine, including hydrology, fish populations, water quality, benthic communities, and habitat assessments conducted throughout the year.
Wildlife Effects Monitoring Program (WEMP) Binder 2 for the Ekati Diamond Mine (BHP Billiton Diamonds — BHPB) covering 2004-2006. Includes correspondence between Brent Murphy (BHPB), David Scott, Elizabeth Fillatre, Holly Newton (BHPB), Rob Mulders, Raymond Bourget (Resources Wildlife and Economic Development / RWED), Anne Gunn (GNWT), Ernie Campbell (GNWT), Kim Poole (Rescan), and Kevin O'Reilly (IEMA). Covers Wildlife Risk Assessment for the Long Lake Containment Facility (LLCF) under exceptional land-use scenarios — predicts acceptable risks for all metals except aluminum and magnesium. Includes Human Health Risk Assessment for animals feeding in LLCF, references on Dutch agricultural grassland breeding birds and forest cover/fragmentation impacts (Riffell, Gutzwiller, Anderson; van der Zande; Fahrig).
Workshop to Review the "Working Draft" NWT Cumulative Effects Assessment Management Strategy and Framework, Katimavik Rooms, Explorer Hotel Yellowknife, January 29-30 2002. Includes Northern Organization for Responsible Development (NORD) participant materials, "Traditional Knowledge and the CEAM Strategy and Framework" Draft Report (January 3 2002) — practical examples of TK direct application (aboriginal community involvement in pre-decision discussions, caribou-migration buffer distances, camp / work-site siting logistics), digital TK storage for youth transmission, capacity-building recommendations for non-aboriginal organizations, and CEAM spin-off / multi-stakeholder funding options (Pay-to-Play membership, licensing fees).
This 2001 Wildlife Effects Monitoring Program report for the Ekati Diamond Mine presents five years of data on wildlife species and habitats, including monitoring of caribou migration patterns, grizzly bear presence, wolf denning, wolverine disturbance, and upland breeding birds. The report documents habitat losses of 1,148 hectares (46% of predicted loss), assesses effectiveness of mitigation measures for vehicle/aircraft collisions and landfill management, and evaluates impacts of mining activities on valued ecosystem components in the Northwest Territories.
This preliminary Wastewater and Processed Kimberlite Management Plan for the Ekati Diamond Mine describes comprehensive waste water management strategies and processed kimberlite disposal methods for the mine's 17-year operational life, including details on lake dewatering, pit water management, the Long Lake Containment Facility, and remote site operations at Misery and Sable.
This comprehensive 2001 monitoring report for the Panda Diversion Channel at the Ekati Diamond Mine documents stream hydrology, fish populations (especially Arctic grayling and lake trout), larval fish distribution, benthic invertebrate communities, and habitat conditions across multiple assessment sites. The appendices provide detailed data on fish capture records, water quality measurements, substrate composition, and photographic documentation of habitat conditions during both high and low flow periods.
This preliminary wastewater and processed kimberlite management plan for the Ekati Diamond Mine describes treatment and disposal strategies for all wastewater sources including lake dewatering, process plant drainage, pit water, and sewage, with detailed specifications for the Long Lake Containment Facility and separate management plans for Misery and Sable sites. The plan addresses water quality criteria, retention times, discharge volumes, and monitoring requirements over the 17-year mine life through 2014.
This is a comprehensive data report from the 2001 Kodiak Lake Sewage Effects Study conducted by Rescan Environmental Services for BHP Billiton Diamonds Inc., presenting all environmental monitoring data collected from Kodiak Lake and surrounding areas near the Ekati Diamond Mine in the Northwest Territories, including water quality, sediment quality, hydrology, and aquatic biology parameters.
Misery Surplus Water Atomization Project (SWAP) binder for the Ekati Diamond Mine (2002-2003). Correspondence between Ian Goodwin (BHPB), Latisha Heilman (MVLWB), Sean Kollee (IEMA / Agency), Jane Howe (BHPB), and Environment Canada (Yellowknife, June 3 2002). Documents the June 2001 revised Wastewater and Processed Kimberlite Management Plan identifying the Misery site for surplus-water atomization, Dr. Dennis Trotter's (AMEC) review of the Misery Site document on public registry, and Misery Atomization Information Request / Reasons for Decision / Refusal Letter from the MVLWB.
A radio-tagging study conducted between June and September 2001 documenting the movements and migration of Arctic grayling, lake trout, and longnose sucker through the Koala watershed between Kodiak Lake and Lac de Gras, including assessment of fish passage around BHP's mining diversion channel. The study demonstrates that these fish species are capable of moving freely through the interconnected lake and stream system.
Tailings Management Binder 1 (2002) for the Ekati Diamond Mine (BHP Billiton). Correspondence between Ian Goodwin (BHPB), John Witteman (BHP), Derek Chubb (BHPB), Darnell McCurdy (DIAND), Bill Ross (IEMA / Agency), Melody McLeod (MVLWB). Includes the Agency letter on Misery Land Treatment — water-retention times before reaching Cujo Lake, meteorology / precipitation variability impacts, road-side ponding control, contingency plans for treatment-process failure, and ecological effects on valued ecosystem relationships. References Price (1996) Mine Rock and Resource Characterization Guidelines and Mills & Jambor 1995 AQUAMIN (Assessment of the Aquatic Effects of Mining in Canada Working Group) report.
Correspondence binder January 2002 – August 15 2002 for the Independent Environmental Monitoring Agency (IEMA, Yellowknife) covering the Ekati Diamond Mine. Includes Northwestel telecom statements, Mackenzie Valley Land and Water Board (MVLWB) faxes regarding Sable / Pigeon / Beartooth (SPB) development, BHP Billiton Diamonds Inc. (April 19 2002) Reclamation Liability Estimate for SPB Developments (February 2002, 2 copies enclosed paper + electronic), questions on existing water quality of Horseshoe Lake / Pigeon Stream / North Panda Lake, decommissioning of Bearclaw-Lake-to-Beartooth-Stream diversion pipeline, and post-mining pit-flooding water sources for SPB pits.
A summary report documenting the state of knowledge about the West Kitikmeot Slave Study area, prepared by the WKSS Society partnership (1995-2001), which synthesizes traditional Aboriginal knowledge and scientific research on mineral development, climate, ecosystems, and various environmental stresses affecting the region.
This preliminary waste rock storage management plan for BHP Billiton's Pigeon Pipe kimberlite mining development describes geochemical testing, thermal and hydrological modeling, and adaptive management strategies to minimize environmental impacts from waste rock disposal, incorporating operational experience from existing Ekati waste rock storage areas.
This preliminary waste rock storage management plan for BHP Billiton's Beartooth Pipe development describes geochemical testing, site characterization, and management strategies for waste rock disposal in the Panda/Koala waste rock storage area. The document concludes that approximately 99% of waste rock (biotite granite) has low reactivity, while small components of biotite schist are potentially acid-generating and will be segregated and encapsulated with non-reactive granite to ensure freezing conditions.