Ontario Land Tribunal
Tribunal ontarien de l’aménagement du territoire
ISSUE DATE: January 14, 2026
CASE NO(S).: OLT-25-000760
PROCEEDING COMMENCED UNDER section 139(1)(b) of the Environmental Protection Act, R.S.O. 1990, c. E.19, as amended
Appellant: Denison Mines Inc.
Respondent: Director, Ministry of the Environment, Conservation and Parks
Subject of appeal: Conditions imposed on an application to upgrade the existing sewage works for the collection, transmission, treatment, and disposal of water overflow, including precipitation, stormwater runoff, and snowmelt, from the Tailings Management Area No. 1 Basin, located at the closed and decommissioned uranium mine site
Reference No.: 9801-DGZTNK
Property Address/Description: 1000 Cinder Lake Road
Municipality: Elliot Lake City
Upper Tier: District of Algoma
OLT Case No.: OLT-25-000760
OLT Lead Case No.: OLT-25-000760
OLT Case Name: Denison Mines Inc. v. Ontario (Environment, Conservation and Parks)
Heard: January 13, 2026 by video hearing
APPEARANCES:
Parties
Denison Mines Inc.
Director, Ministry of the Environment, Conservation and Parks
Counsel
Lana Finney
Leah Kelley
Amanda Landre
Isabelle O’Connor
MEMORANDUM OF ORAL DECISION DELIVERED BY DAVID BROWN ON JANUARY 13, 2026 AND ORDER OF THE TRIBUNAL
1The Tribunal convened a Case Management Conference (“CMC”) with respect to an Appeal filed by Denison Mines Inc. (“Appellant”) regarding conditions attached to an Amended Environmental Compliance Approval No. 9801-DGZTNK, dated September 22, 2025. (“Amended Approval”). The Amended Approval addresses the decommissioning of a former uranium mine on the property located at 1000 Cider Lake Road in Elliot Lake.
2The Parties advised the Tribunal that they are jointly seeking an adjournment of the CMC to facilitate settlement discussions.
3The Director, Ministry of Environment, Conservation and Parks (“Director”) provided a draft Procedural Order to the Appellant in advance of the CMC and the Appellant responded to the Director with a proposal to resolve the appeal. The Parties are requesting time to discuss the proposal and possibly negotiate a settlement of the appeal.
4The Tribunal scheduled a half-day for a further CMC to be held on Monday, April 27, 2026, at 10 a.m. by video hearing.
5Parties are asked to log in to the event at least 15 minutes before it begins to test their video and audio connections:
GoTo Meeting: https://global.gotomeeting.com/join/979388733
Access code: 979-388-733
6Parties are asked to access and set up the application well in advance of the event to avoid unnecessary delay. The desktop application can be downloaded at GoTo Meeting or a web application is available: https://app.gotomeeting.com/home.html
7Persons who experience technical difficulties accessing the GoTo Meeting application or who only wish to listen to the event can connect to it by calling in to an audio-only telephone line: (647) 497-9373 or (Toll Free) 1-888-299-1889. The access code is: 979-388-733.
8Individuals are directed to connect to the event on the assigned date at the correct time. It is the responsibility of the persons participating in the event to ensure that they are properly connected at the correct time. Questions prior to the event may be directed to the Tribunal’s Case Coordinator.
9Should the Parties be successful in the settlement negotiations, they are to advise the Tribunal as soon as possible of the settlement and they may request the Tribunal to convert the CMC to a Settlement Hearing. Failing that, the Parties shall submit a draft Procedural Order to the Tribunal by Wednesday, April 22, 2026.
10The case management directives set out above are so ordered.
11There will be no further notice provided in respect of these proceedings.
12The Member is not seized of this matter.
“David Brown”
DAVID BROWN
MEMBER
Ontario Land Tribunal
Website: www.olt.gov.on.ca Telephone: 416-212-6349 Toll Free: 1-866-448-2248
The Conservation Review Board, the Environmental Review Tribunal, the Local Planning Appeal Tribunal and the Mining and Lands Tribunal are amalgamated and continued as the Ontario Land Tribunal (“Tribunal”). Any reference to the preceding tribunals or the former Ontario Municipal Board is deemed to be a reference to the Tribunal.