Singapore's water security is the only thing that matters, and that is all water agency PUB was concerned about in announcing last night that it would take control of Tuaspring's desalination plant, should Hyflux subsidiary Tuaspring Private Limited (TPL) be unable to cure its defaults by April 5, observers said.

It has also agreed to waive any compensation it could have claimed from the Hyflux unit and is willing to purchase the plant for zero dollars.