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Cameco|Canada|Cigar Lake|Key Lake|McArthur River|Mining|Uranium|Flooding|Saskatchewan
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cameco|canada|cigar-lake|key-lake|mcarthur-river|mining|uranium|flooding|saskatchewan

Cameco temporarily halts production at northern Saskatchewan sites amid flooding

11th May 2026

By: Sabrina Jardim

Senior Online Writer

     

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Amid flooding in the region of its northern Saskatchewan sites, in Canada, TSX-listed Cameco has temporarily halted production activities at its Key Lake mill and reduced activity at its McArthur River mine until the normal delivery of critical operating materials can resume.

While Cameco’s sites are not directly impacted by flood waters, flooding has caused the collapse of the Smoothstone river bridge, which is the primary route the company uses to transport supplies to the McArthur River and Key Lake sites.

Restrictions on the use of an alternative roadway are in place.

Cameco says it is in regular contact with the Saskatchewan Ministry of Highways and is working with its sites to minimise the impact of delivery disruptions.

The timeline for the resumption of normal deliveries is currently unknown.

“At present, the Cigar Lake mine continues to operate and our consolidated annual production plan remains unchanged.

“Depending on the duration of the road restrictions and our ability to make deliveries of critical operating materials, there is a risk that our 2026 production outlook for the McArthur River/Key Lake operation could be impacted,” the company says.

Edited by Chanel de Bruyn
Creamer Media Online Managing Editor

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