Aquatic Effects Monitoring Program (AEMP) 2019 Response Framework Re-evaluation, Appendix A, Response Framework Re-evaluation, Ekati Diamond Mine (Dominion Diamond, December 2019)
This 2019 Aquatic Response Framework Re-evaluation for the Ekati Diamond Mine provides a comprehensive assessment of water quality, sediment quality, and biological monitoring variables, incorporating four years of implementation experience and Board directives. The document recommends updates to ARF benchmarks, removal of total manganese from water quality variables, revised reporting procedures for total phosphorus action level exceedances, and detailed analysis of sediment quality and selenium relationships to inform potential new action levels.
- Date
- Document type
- Report
- Parties
- Dominion Diamond Mines ULC, ERM Consultants Canada Ltd., Wek'èezhìi Land and Water Board, Government of the Northwest Territories - Environment and Natural Resources
- Locations
- Ekati Diamond Mine, Northwest Territories, Yellowknife, Koala Watershed, Lac de Gras, King-Cujo Watershed, Lac du Sauvage, Leslie Lake, Moose Lake, Nema Lake, Slipper Lake, Cujo Lake, Vulture Lake, Kodiak Lake, Nanuq Lake, Long Lake Containment Facility, King Pond Settling Facility, Horseshoe Watershed, Upper Exeter Lake, Desperation Pond
- Parameters
- water quality, sediment quality, aquatic effects, action levels, benchmarks, dissolved oxygen, pH, total suspended solids, chloride, fluoride, sulphate, total ammonia-N, nitrate-N, nitrite-N, total phosphorus, total metals, aluminum, antimony, arsenic, barium, boron, cadmium, chromium, copper, lead, molybdenum, nickel, potassium, selenium, strontium, uranium, vanadium, zinc, fish tissue, lake trout, round whitefish, slimy sculpin, benthic invertebrates, sediment selenium, total nitrogen, available phosphorus, total organic carbon, significance threshold, response framework
- Pages
- 58
Original document
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