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GALLERY: Fish-kill at Throsby Creek shocks residents


An ongoing investigation is underway after thousands of dead fish were spotted floating on the surface of Newcastle’s Throsby Creek on Monday morning.

Hunter Water, NSW DPI Fisheries and the NSW Environment Protection Authority (EPA) acknowledged they were working together to discover the source of the incident.

One theory suggests the significant ocean water temperature change over the past fortnight.

A number of residents contacted the Newcastle Weekly, stating the marine creatures could be seen from the Lewis Street Bridge (Tighes Hill/Maryville) to the Carrington Boat Ramp.

“Hunter Water is aware of the fish-kill in Throsby Creek,” a company spokesperson said.

“We have responsibility for the channel to the limit of Hannell Street bridge and own the stormwater channels upstream of this location.

“A Hunter Water environmental officer inspected the creek today.

“We can confirm there have been no operational issues within our network that would have caused this event.

“We are actively following up with other related agencies.”

The EPA, in conjunction with NSW DPI Fisheries, investigated the fish-kill at Tighes Hill at the weekend, stating officers observed hundreds of dead fish in the creek last night.

“There was no evidence of a polluting discharge from an industrial source,” a spokesperson said.

“All indications suggest the fish-kill was caused by critically-low dissolved oxygen levels in the creek.

“Further investigations identified that a build-up of leaf litter in the Newcastle area, followed by a short high-intensity rainfall event, along with increased temperatures, are likely to be contributors to the low oxygen levels and fish-kill.”

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