Aquatic Effects Monitoring Program (AEMP) Fish Response Plan Version 3.0, Reasons for Decision, Ekati Diamond Mine (Wek'èezhìı Land and Water Board, August 2022)
The Wek'èezhìi Land and Water Board approved Version 3.0 of the Fish Response Plan for Ekati Diamond Mine on August 25, 2022, establishing action levels and response protocols for selenium and mercury in fish tissue, with site-specific human consumption screening values derived from Indigenous community surveys. The Board also directed Arctic Canadian Diamond Company to assess the Operational Water Management Strategy in relation to the updated Koala Watershed Model and to evaluate a retroactive mercury exceedance in Kodiak Lake in 2018.
- Date
- 2022-08-25
- Document type
- regulatory-filing
- Parties
- Wek'èezhìi Land and Water Board, Arctic Canadian Diamond Company Ltd., Tłįcho Government, Independent Environmental Monitoring Agency (IEMA), Government of the Northwest Territories – Department of Environmental and Natural Resources, Environment and Climate Change Canada (ECCC), Fisheries and Oceans Canada (DFO), Wek'èezhìi Renewable Resources Board (WRRB), Łutsël K'é Dene First Nation (LKDFN), Fort Resolution Métis Government (FRMG), Deninu Kųę First Nation (DKFN)
- Locations
- Ekati Diamond Mine, Lac de Gras, Northwest Territories, Leslie Lake, Moose Lake, Kodiak Lake, Long Lake Containment Facility, Wekweètì, Yellowknife, Calgary
- Parameters
- fish tissue selenium concentration, fish tissue mercury concentration, action levels, aquatic effects monitoring, water quality, human consumption screening values, fish consumption rates, Operational Water Management Strategy, discharge management, Koala Watershed Model, large-bodied fish, small-bodied fish, lake trout, round whitefish, burbot
- Pages
- 10
Original document
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