Mount Isa Police Station’s officer-in-charge, Senior Sergeant Renee Hanrahan, said the man collapsed while camping at the dam, which is also identified as Lake Mary Kathleen. 

She said the Queensland Police Service and Queensland Ambulance Service attended the scene. 

“A report will be furnished for the Coroner,” Senior Sergeant Hanrahan said. 

The dam is located about 25 kilometres east of Mount Isa.