Northern Beaches Council has tackled a significant pollution incident at Beacon Hill, with crews cleaning up a toxic substance before it made its way into South Creek and Narrabeen Lagoon.

Mayor Michael Regan said the incident had resulted in serious impacts to local environment and wildlife after a stormwater detention basin captured around 200,000 litres of contaminated water in a holding pond near Endeavour Drive.

“The thoughtless actions of one or more people have killed most of the aquatic life within the area, and cost the community around $150,000 in clean-up costs, as well as hundreds of hours of staff time dealing with this situation.

“The only survivors were three native eastern long-necked turtles that were rescued and relocated by Council staff.

“This is one of the biggest pollution incidents we’ve had to deal with as Northern Beaches Council. It happened on Christmas Eve and we’re still dealing with the after-effects.

“Fortunately, the prompt response of Council officers contained the pollution in the pond, but the impact was so bad the only way to remove it was to drain and dig out the entire pond, and that’s a huge job.

“We’ve had to organise a number of waste water tankers, excavators and dump trucks, at considerable expense,” Mayor Regan said.

Along with emptying the contaminated water, crews have also removed around 60 tonnes of sediment as a result of the incident.

Illegally disposing of chemicals can drastically affect our natural areas and harm our local wildlife. Visit northernbeaches.nsw.gov.au and search hazardous waste for more information and to learn about correct disposal procedures.

“Quite apart from the environmental impact, the cost of this clean-up is substantial, and that’s money which could have been spent providing community services and other benefits. It’s really frustrating,” Mayor Regan said.

Council’s Environmental Compliance team is investigating the source of the pollution, and anyone with information is asked to contact Council on 1300 434 434.