Decommissioning Data - Canada

(last updated 25 Jul 2025)

Contents:

Mines
Waste Rock

Mines

Uranium mines - Canada
Location	Type	Total Production [t U]	Status
Northwest Territories
Port Radium			abandoned [ISSUES]
Rayrock			abandoned [ISSUES]
Saskatchewan
Beaverlodge			abandoned [ISSUES]
Gunnar			abandoned [ISSUES]
Lorado			abandoned [ISSUES]
Nisto			abandoned [ISSUES]
Rabbit Lake	OP		closed [ISSUES]
Cluff Lake			closed [ISSUES]
Key Lake	OP		mine closed; Deilmann pit to receive McArthur River tailings
McArthur River	UG		operating [ISSUES]
McClean Lake	OP, UG		idle; JEB pit receives tailings
Ontario
Pronto (Rio Algom)	UG
Quirke (Rio Algom)	UG		remediation complete
Denison (Denison)	UG
Panel (Rio Algom)	UG		remediation complete
Can-Met (Denison)
Stanrock (Denison)	UG		remediation complete
Stanleigh (Rio Algom)			remediation in action
Buckles	UG		remediated
Spanish American (Rio Algom)	UG
Milliken	UG
Lacnor (Rio Algom)	UG		remediated
Nordic (Rio Algom)	UG		remediated
Agnew Lake (ALM-Kerr Addison)	UG		remediation complete [ISSUES]
Bancroft
TOTAL		321,626*

Type: UG = underground, OP = open pit
* as of end 1998
Sources: Uranium 1999, OECD 2000

Uranium waste rock deposits - Canada
Location	No. of Heaps	Area ha	Volume 10⁶ m³	Status
?	?	?	?	?
TOTAL

Sources:

Uranium Mill Tailings Deposits - Canada
Location	Area ha	Contents 10⁶ t	Status
Northwest Territories
Port Radium		1	soil, rock cover [ISSUES]
Rayrock		0.07	soil cover [ISSUES]
Saskatchewan
Beaverlodge		5.7	lake disposal [ISSUES]
Gunnar	74	4.1	lake disposal, no reclamation [ISSUES]
Lorado	10	0.36	no reclamation [ISSUES]
Rabbit Lake	54	6	operating [ISSUES] [DECOMM. ISSUES]
Cluff Lake	36	2.5	closed [ISSUES]
Key Lake	45	9.2	original tailings deposit closed Deilmann pit to receive McArthur River tailings [ISSUES]
McClean Lake			disposal in JEB pit operating; also to receive tailings from Midwest and Cigar Lake [ISSUES]
Ontario
Pronto (Rio Algom)		2	no reclamation [ISSUES]
Quirke (Rio Algom)	192	46	flooded [ISSUES]
Denison (Denison)	280	63.3	[DETAILS: Denison ] [ISSUES]
Panel (Rio Algom)	123	16	flooded [ISSUES]
Stanrock (Denison)	52	5.7	[DETAILS: Denison ] [ISSUES]
Stanleigh (Rio Algom)		20	? [ISSUES]
Spanish American (Rio Algom)		0.4	lake disposal [ISSUES]
Lacnor (Rio Algom)		3	revegetated [ISSUES]
Nordic (Rio Algom)	10	12	revegetated [ISSUES]
Agnew Lake		0.4	soil cover [ISSUES]
Bancroft		4.4	soil cover [ISSUES]
TOTAL		> 202.13

Sources: TMW'97 p.763; Sudbury'95 V.3 p.1199; IAEA-TECDOC-865 V.1 p.65; IAEA-TECDOC-982 p.35 (1997); Panel (1996)