Aquatic Effects Monitoring Program (AEMP) 2019 Re-evaluation, Appendix E, Evaluation of Effects, Ekati Diamond Mine (Dominion Diamond, December 2019)
This report presents a graphical analysis of 2018 Aquatic Effects Monitoring Program (AEMP) data for the Koala Watershed and Lac de Gras at Ekati Diamond Mine, evaluating water quality parameters including physical variables, ions, nutrients, and metals to determine mine-related environmental effects. The analysis identifies downstream spatial gradients and increasing trends in multiple parameters relative to reference sites, with effects extending varying distances from the Long Lake Containment Facility discharge point.
- Date
- 2019-12-01
- Document type
- report
- Parties
- Dominion Diamond Mines ULC, ERM Consultants Canada Ltd., Independent Environmental Monitoring Agency (IEMA)
- Locations
- Ekati Diamond Mine, Koala Watershed, Lac de Gras, Long Lake Containment Facility (LLCF), Leslie Lake, Moose Lake, Nema Lake, Slipper Lake, Grizzly Lake, Kodiak Lake, Nanuq Lake, Vulture Lake, Counts Lake, Northwest Territories
- Parameters
- water quality, pH, total alkalinity, water hardness, chloride, fluoride, sulphate, total ammonia-N, nitrite-N, nitrate-N, total phosphorus, total organic carbon, total antimony, total arsenic, total barium, total boron, total molybdenum, total nickel, total potassium, total selenium, total strontium, total uranium, aquatic effects monitoring, mine-related effects, action levels, benchmarks
- Pages
- 81
Original document
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