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Arctic Canadian Diamond Company Ltd. - W2020L2-0004

​Diamond mining and milling at the Ekati Mine. Water Use and Waste Disposal.

Subject to the terms and conditions of this Licence, the Licensee may divert water from Upper Panda Lake to Kodiak Lake, and use water and dispose of Waste for the purpose of mining the Panda, Koala, Koala North, Misery, Fox, and Jay kimberlite pipes, for operating the processing facilities and related infrastructure, and carrying out Reclamation associated with diamond mining within the Koala, Misery, King-Cujo, Desperation-Carrie, and Lac du Sauvage Watersheds of the Lac de Gras basin, Northwest Territories.This Licence entitles the Licensee to use water, Dewater Sable, Pigeon, and Beartooth Lakes for the purpose of mining, to Drawdown Two Rock Lake, divert Pigeon Stream around the Pigeon pit, pipe water from Bearclaw Lake outflow around Beartooth pit, and deposit Processed Kimberlite into a Processed Kimberlite Containment Area for the purpose of creating a pit lake. The Licensee may also dispose of Waste for industrial undertakings in diamond mining and processing, production, Reclamation and associated uses in the Koala, Pigeon, and Sable watersheds, Northwest Territories as shown on Figure 6, 8, & 10 of the Class A Water Licence and Land Use Permits supporting documents, submitted August 21, 2001.This Licence entitles the Licensee to Dewater Lynx Lake, use water, dispose of Waste, and divert runoff around the Lynx pit, for the purposes of mining the Lynx kimberlite pipe and carrying out Reclamation of the Lynx Development.This Licence also entitles the Licensee to Dewater a portion of Lac du Sauvage, use water, dispose of Waste, and divert streams B0 and Ac35 around the perimeter of the Dewatered area, for the purposes of mining the Jay kimberlite pipe and carrying out Reclamation of the Jay Development, as shown in Map 3.1-3 of the Updated Project Description submitted June 7, 2016.This Licence also entitles the Licensee to use water, dispose of Waste, and divert Groundwater inflows for the purposes of underground mining of the Misery kimberlite pipe and carrying out Reclamation of the Misery Underground Development, as described in the Application submitted August 15, 2017 and the additional information submitted during the regulatory process.The activities listed above are to be conducted as described in the Environmental Impact Assessments.


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6. Management Plans
Assorted Management Plans
Document Received/Sent Uploaded
Ekati - Fox and Pigeon Pit Backflooding Plans - Verison 1.0 - Reasons for Decision - Nov 1_23.pdf (579.77 KB)
Ekati - Point Lake Project - Dewatering Plan - Interim Update - Reasons for Decision - Jun 9_23.pdf (401.63 KB)
Ekati - Preliminary Water Quality Prediction for Pigeon Pit Lake - Support Document for Back-flooding Plan - Jan 20_23.pdf (11.01 MB)
Ekati - Back-flooding Plan - Fox Pit - Jan 20_23.pdf (5.52 MB)
Ekati - Back-flooding Plan - Pigeon Open Pit - Jan 20_23.pdf (19.16 MB)
Ekati - Point Lake Dewatering - Stage 1 Completion and Update - Feb 2_23.pdf (2.14 MB)
Ekati - Wildlife Management and Monitoring Plan - Nov 17_22.pdf (26.84 MB)
Ekati - Point Lake Dewatering Plan - Letter from IEMA - Oct 24_22.pdf (130.23 KB)
Ekati - Point Lake Dewatering Plan - V 3.0 - Reasons for Decision - Jun 27_22.pdf (181.8 KB)
Ekati - Point Lake Project - Point Lake Dewatering Plan - V. 3.0 - May 17_22.pdf (11.36 MB)
Ekati - Point Lake Project - Point Lake Dewatering Plan V. 2.2 - Jan 20_22.pdf (720.98 KB)
Ekati - Point Lake Project - Point Lake Dewatering Plan V. 2.1 - Dec 1_21.pdf (749.26 KB)
Ekati - Point Lake Project - Point Lake Dewatering Plan V. 2.0 - Sep 17_21.pdf (275.99 KB)
Engagement Plan
Document Received/Sent Uploaded
Ekati - Engagement Plan - Version 5.1 - Oct 5_23.pdf (707.22 KB)
Ekati - Engagement Plan - Version 5.1 - Conformity Confirmation - Oct 10_23.pdf (217.75 KB)
Ekati - Engagement Plan - Version 5.0 - Reasons for Decision - Jul 6_23.pdf (413.84 KB)
Ekati - Engagement Plan - Version 5.0 - May 26_23.pdf (2.49 MB)
Spill - Contingency - Emergency Response
Document Received/Sent Uploaded
Ekati - Spill Contingency Plan - Version 15.1 - Decision Letter - Aug 25_22.pdf (110.88 KB)
Ekati - Spill Contingency Plan - Version 15.1 - Jul 8_22.pdf (3.31 MB)
Waste Management Plan
Document Received/Sent Uploaded
Ekati - Waste Management Plan - Stack Testing Requirement - Decision Letter - Oct 13_23.pdf (170.41 KB)
Ekati - Waste Management Plan - Stack Testing Requirement - Aug 21_23.pdf (175.98 KB)
Ekati - Waste Management Plan - Version 8.1 - Decision Letter - Aug 25_22.pdf (110.88 KB)
Ekati - Waste Management Plan - Version 8.1 - Jul 8_22.pdf (6.69 MB)
Waste Rock and Tailings Management
Document Received/Sent Uploaded
Ekati - WROMP - V12.0 - Part 1 of 2 - Nov 9_23.pdf (5.57 MB)
Ekati - WROMP - V12.0 - Part 2 of 2 - Nov 9_23.pdf (2.12 MB)
Ekati - WROMP - Version 11.1 - Reasons for Decision - Nov 30_22.pdf (390.38 KB)
Ekati - WROMP - Version 11.1 - Jun 17_22.pdf (19.01 MB)
Ekati - WROMP - 2019 Seepage Survey Report and WROMP V11- Reasons for Decision - Mar 15_22.pdf (405.74 KB)