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The Mass fish kill in Menindee raises concerns of NSW chief scientist

In Breaking News
16 5 月, 2023
NSW Deputy Chief Scientist Dr Darren Saunders
A three-month review into the cause of Menindee's recent mass fish kill has been launched. The report is expected to be made public by the end of August.

Two months after tens of millions of native fish died on the Darling River at Menindee, an independent review has been launched to find the cause of the event.

The Office of the NSW Chief Scientist and Engineer (OCSE) will spend the next three months researching and preparing a report for the state government, while a group of external experts and a community panel of locals will also contribute.

“Hopefully [we’ll] explore some strategies to stop it from happening again,” NSW Deputy Chief Scientist Dr Darren Saunders said.

The OCSE will travel to Menindee later this month to hear from residents face-to-face.

“We’ll probably make multiple visits to sort of understand all of the local concerns and questions that exist,” Dr Saunders said.

The review will be informed by scientific measures, such as data on temperatures and water flow, while also hearing firsthand accounts of what residents observed.

It will also try and assess if the actions of government agencies contributed to the event, and the effectiveness of the response in the immediate aftermath.

About 20 million fish died
About 20 million fish died after the oxygen levels plummeted during mid-March.(ABC News: Bill Ormonde)

‘No trust in water authorities’ 

Menindee resident Graeme McCrabb says the government faces a long road in rebuilding community trust after years of frustration over the river system’s management.

Graeme McCrabb
Graeme McCrabb says many in town have little faith in government agencies.(ABC Broken Hill: Bill Ormonde)

“There’s absolutely no trust in water authorities,” he said.

“It was utter chaos and certainly that played a role in the fish kills that we had.

“There’s absolutely no faith in water agencies at the moment, but I think chemical residues and how the lakes are managed will be front and centre.”

Dr Saunders says he is aware the team will have to overcome the distrust many in Menindee have towards the government.

“We already have a pretty good understanding there’s a deep cynicism in the community and probably a deep loss of trust in various agencies around this,” he said.

Murray Cod
The majority of native fish that died were Bony Bream but larger species like Murray Cod also perished.(ABC News: Bill Ormonde)

Truth ‘is in the pudding’

Rob Gregory heads the local tourism association and is hopeful the review will uncover the cause behind the mass fish kill.

“There’s certainly a lot more interest in what happened this time,” he said.

But while a number of recommendations from a report handed down in the wake of 2018/2019 fish kills had not been adopted, he remained cautiously optimistic.

“The truth is in the pudding … it’d be nice to see a different angle on it and see things get implemented,” Mr Gregory said.

Rob Gregory
Rob Gregory says he just wants to see a healthy river system.(ABC Broken Hill: Bill Ormonde)

He would like to see a balance struck between river uses both up and down the system, but acknowledged it was a hard note to strike.

“A fix would be nice so this doesn’t happen again,” Mr Gregory said.

NSW Water Minister Rose Jackson said the review would be completed and released by August 31.

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