This Melbourne creek has turned bright blue – and a Big Build project is to blame

A creek in Melbourne’s north-east has turned bright blue after a construction chemical from the North East Link was swept into its waters this week.

The Environment Protection Authority (EPA) Victoria is investigating the blue discolouration in the Banyule Creek Drain near McCrae Road in Rosanna, following a complaint of pollution.

A creek has turned bright blue.Credit: Eddie Jim

Footage from Wednesday afternoon shows the water’s fluorescent blue hue. A dust suppressant on the North East Link Project (NELP) has been blamed for the bizarre sight.

“NELP is cleaning up the drain and EPA will monitor the project, which will now assess how to ensure such incidents are not repeated,” the EPA said in a statement.

“EPA investigations and assessments of any harm to the environment are continuing.”

The EPA has urged locals to avoid contact with the water as a precaution.

Banyule council said it was aware of the incident and is working alongside EPA Victoria and Melbourne Water to investigate.

“We understand this has raised local concern – and we share those concerns,” the council said in a statement.

A duck swimming in the polluted water.Credit: Eddie Jim

“While we discussed the possibility of local council drains being involved, we’ve been advised that our drainage system is not considered a source of the pollution.”

The North East Link Project has been contacted for comment.

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