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Arctic Canadian Diamond Company Ltd. - W2022L2-0001


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

The Renewal application includes proposed water use from Upper Exeter Lake, Ursula Lake, Lac de Gras, and Lac du Sauvage, and an underwater remote mining trial at Lynx Pit.


The current Licence (W2020L2-0004) contains scope as described below:


a) 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, and Fox 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 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.This Licence also entitles the Licensee to Dewater Point Lake, use water, and dispose of Waste, for the purposes of mining the Point Lake, Phoenix and Challenge kimberlite pipes and carrying out Reclamation of the Point Lake Development.

The activities listed above are to be conducted as described in the relevant portions of the approved Environmental Impact Assessments and determinations made under Part 5 of the MVRMA.


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5. Reports and Studies
Annual Reports
Document Received/Sent Uploaded
Ekati - 2024 Annual Water Licence Report - Extension Request Approval - Mar 7_25.pdf (226.83 KB)
Ekati - 2023 Annual Report - EA and WL Plain Language Summary - Apr 30_24.pdf (5.35 MB)
Ekati - 2023 Annual Report - Appendix E WEMP Summary - Apr 30_24.pdf (1.13 MB)
Ekati - 2023 Annual Report - Appendix H Annual Closure and Reclamation Progress Report - Apr 30_24.pdf (81.26 MB)
Ekati - 2023 Annual Report - EA and WL Report Cover Letter - Apr 30_24.pdf (201.01 KB)
Ekati - 2023 Annual Report - Appendix A and B SNP Summary and AEMP Summary - Apr 30_24.pdf (2.2 MB)
Ekati - 2023 Annual Report - Appendix C Spills and Non-compliance - Apr 30_24.pdf (25.11 MB)
Ekati - 2023 Annual Report - Appendix F Annual Geotechnical Inspection Report - Apr 30_24.pdf (19.39 MB)
Ekati - 2023 Annual Report - Appendix G Annual Seepage Report - Apr 30_24.pdf (179.9 MB)
Ekati - 2023 Annual Report - Appendix I 2022 Annual Report Comments - Apr 30_24.pdf (708.61 KB)
Ekati - 2023 Annual Report - EA and WL Report - Apr 30_24.pdf (2.06 MB)
Ekati - 2023 Annual Report - Appendix D Air Quality Program Monitoring Report - Apr 30_24.pdf (216.13 MB)
Designs and As-Builts
Document Received/Sent Uploaded
Ekati - Sable WRSA - Sable WRSA Design Report V 3.0 Retraction - May 16_24.pdf (155.98 KB)
Inspection Reports
Document Received/Sent Uploaded
Ekati - Water Licence Inspection Report - January 2025 - Jan 24_25.pdf (6.85 MB)
Ekati - Water Licence Inspection Report - October November 2024 - Dec 6_24.pdf (9.95 MB)
Ekati - Water Licence Inspection Report - August and September 2024 - Oct 10_24.pdf (14.29 MB)
Ekati - Water Licence Inspection Report - June 18 2024 - Jul 11_24.pdf (6.4 MB)
Ekati - Water Licence Inspection Report - December 13 2024 - Jan 12_24.pdf (3.58 MB)
Operations and Notifications
Document Received/Sent Uploaded
Ekati - Detailed Spill Report -Spill-2025089 - Feb 17_25.pdf (369.98 KB)
Ekati - Detailed Spill Report - Spill-2025107 - Mar 12_25.pdf (186.46 KB)
Ekati - Authorization to Discharge - King Pond to Cujo Lake- Feb 18_25.pdf (171.75 KB)
Ekati - Request for Authorization - Discharge from KPSF to Cujo Lake - Feb 18_25.pdf (1.27 MB)
Ekati - Spring 2024 Seepage EQC Exceedances Notification - Resubmission - Feb 22_25.pdf (7.99 MB)
Ekati - Spring 2024 Seepage EQC Exceedances Notification - Dec 18_24.pdf (8.09 MB)
Ekati - 2024 TRSP to Horseshoe Lake Pumping Summary - Data - Nov 9_24.pdf (8.97 MB)
Ekati - 2024 TRSP to Horseshoe Lake Pumping Summary - Nov 9_24.pdf (133.55 KB)
Ekati - Water Quality Exceedence - KPSF to Cujo Lake July 2024 - Follow up Report - Oct 19_24.pdf (4.14 MB)
Ekati - 2024 KPSF to Cujo Lake Pumping Summary - Sep 21_24.pdf (11.4 MB)
Ekati - Water Quality Exceedance - KPSF to Cujo Lake - July 2024 - Aug 01_24.pdf (6.42 MB)
Ekati - Notification - Transferring water from Bear Claw Lake to Panda North Lake - Jul 5_24.pdf (227.66 KB)
Ekati - Request for Authorization to Discharge - TRSP to Horseshoe Lake - Jun 20_24.pdf (1.19 MB)
Ekati - Authorization to Discharge Water From King Pond - Jun 24_24.pdf (170.95 KB)
Ekati - Authorization to Discharge Water From TRSP to Horseshoe and Road Watering - Jun 20_24.pdf (190.53 KB)
Ekati -Request for Authorization - TRSP - Road Watering and Discharge - Jun 20_24.pdf (1.23 MB)
Ekati - Spill Report - Detailed Spill Report– Spill-2024111 - May 19_24.pdf (206.59 KB)
Ekati - Overburden Stockpile Seepage and Runoff - Reasons for Decision - April 26_24.pdf (447.2 KB)
Ekati - Detailed Spill Report– Spill-2024078 - Apr 25_24.pdf (403.93 KB)
Ekati - Overburden Stockpile Seepage and Runoff - Request to Board - Follow-up Correspondence - Apr 18_24.pdf (306.35 KB)
Ekati - Spill Report - Detailed Spill Report - 2023527 - Jan 14_24.pdf (213.17 KB)
Ekati - Detailed Spill Report - Spill 2024044 - Mar 14_24.pdf (213 KB)
Ekati - Sable Development Pad Extension - IEMA Letter to GNWT-ECC - Mar 19_24.pdf (166.52 KB)
Ekati - Point Lake Seepage Collection System Notification - Mar 22_24.pdf (475.02 KB)
Ekati - Overburden Stockpile Seepage and Runoff - Request to Board- Feb 23_24.pdf (224.74 KB)
Ekati - Sable Development Pad Extension - Request to Inspector and Inspector Approval - Feb 2_24.pdf (2.51 MB)
Other
Document Received/Sent Uploaded
Ekati - Two Rock Submissions - Conformity Confirmation - Mar 03_25.pdf (191.92 KB)
Ekati -Two Rock Outfall Report - V. 3.2 - Dec 11_24.pdf (9.76 MB)
Ekati - Two Rock Plume Delineation Report - V 2.0 - Dec 11_24.pdf (2 MB)
Ekati - Dam Classification Assessment Report - Nov 13_24.pdf (18.87 MB)
Ekati - Board Letter to Arctic - Annual Geotechnical Reports (2022 and 2023) and 2023 DSRs - Oct 18_24.pdf (190.91 KB)
Ekati - Dam Safety Review Reports - Long Lake Outlet and Panda Dams - Aug 28_24.pdf (15.68 MB)
Arctic - Point Lake Stage 2 Dewatering Wildlife Monitoring Report - Apr 23_24.pdf (2.16 MB)
Arctic - WEMP - 2023 Annual Report - Apr 1_24.pdf (47.61 MB)
SNP Reports
Document Received/Sent Uploaded
Ekati - SNP Report - January 2025 - Feb 28_25.pdf (1.46 MB)
Ekati - SNP Report - December 2024 - Jan 30_25.pdf (1.49 MB)
Ekati - SNP Report - November 2024 - Dec 28_24.pdf (904.39 KB)
Ekati - SNP Report - October 2024 - Nov 27_24.pdf (4.39 MB)
Ekati - SNP Report - September 2024 - Oct 30_24.pdf (20.89 MB)
Ekati - SNP Report - August 2024 - Oct 1_24.pdf (9.89 MB)
Ekati - SNP Report - July 2024 - Aug 28_24.pdf (10.76 MB)
Ekati - SNP Report - June 2024 - Jul 30_24.pdf (11.01 MB)
Ekati - SNP Report - May 2024 - Jun 30_24.pdf (23.81 MB)
Ekati - SNP Report - April 2024 - May 31_24.pdf (1.19 MB)
Ekati - SNP Report - March 2024 - Apr 30_24.pdf (2.32 MB)
Ekati - SNP Report - February 2024 - Mar 31_24.pdf (1.04 MB)
Ekati - SNP Report - January 2024 - Feb 29_24.pdf (974.61 KB)
Ekati - SNP Report - December 2023 - Jan 31_24.pdf (2.6 MB)
Ekati - SNP Report - November 2023 - Jan 2_24.pdf (2.77 MB)
Waste Rock and Seepage
Document Received/Sent Uploaded
Ekati - 2022 WRSA 3-Year Seepage Program Report - Reasons for Decision - Jan 31_24.pdf (498.43 KB)