The troubled $6 billion flagship will be out of action "for a number of weeks," just as Santos' customers are desperate for gas to replace supply from the Middle East.
The shutdown of the Yara Pilbara plant comes as a quarter of global trade in ammonia, used for urea fertiliser and mining explosives, is blocked by war.
Serpentine Dam is the largest in Water Corporation's Integrated Water Supply System, which supplies Western Australia's South West. Its future is threatened due to a high risk of contamination from Alcoa's nearby bauxite mining.
