Aquatic Effects Monitoring Program (AEMP) Fish Response Plan, Version 4.0, Ekati Diamond Mine (Arctic Canadian Diamond Company, July 2025)
Burgundy Diamond Mines submits the Aquatic Response Plan for Fish, Version 4.0, to address Action Level exceedances observed in 2024 for catch per unit effort and mercury and selenium concentrations in fish tissues in the Koala and King-Cujo watersheds at the Ekati Diamond Mine. The plan proposes response actions including studies on mercury bioaccumulation sources and methylmercury proportions in large-bodied fish tissues, and continued monitoring of mercury and selenium in water, sediment, and fish tissues.
- Date
- Document type
- Report
- Parties
- Burgundy Diamond Mines Limited, Wek'èezhìi Land and Water Board, ERM Consultants Canada Ltd., Environment and Climate Change Canada, Health Canada, British Columbia Ministry of Environment
- Locations
- Ekati Diamond Mine, Northwest Territories, Koala Watershed, King-Cujo Watershed, Kodiak Lake, Leslie Lake, Moose Lake, Cujo Lake, Long Lake Containment Facility, King Pond Settling Facility, Canadian Arctic, Point Lake
- Parameters
- catch per unit effort, mercury, selenium, fish tissue concentrations, water quality, sediment quality, methylmercury, bioaccumulation, biomagnification, Slimy Sculpin, Lake Trout, Round Whitefish, aquatic effects monitoring, action levels, significance thresholds, minewater management, food web structure
- Pages
- 76
Original document
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