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Quarry Lake closed due to poor water quality

Routine water quality testing at the Ferntree Gully Quarry Reserve Lake has detected Enterococci bacteria at levels that can pose a risk to human and animal health.

Signage is being erected around the lake warning visitors not to swim, fish, or let their dogs enter the water effective today, 16 January 2024 until further notice.

Enterococci occur naturally in plants, sand, soil, and sediments but high levels may indicate faecal contamination from sources such as stormwater runoff, sewage, dog poo, or wildlife waste.

Enterococci are typically not considered harmful to humans. Still, the presence of these bacteria in the water may indicate other disease-causing bacteria, viruses, and protozoa which can make swimmers and people who eat fish from the water sick.

If you have experienced any symptoms including diarrhoea, abdominal pain, and cramps, fever, respiratory infections, ear infections, or skin rashes after swimming in or eating fish from the lake, please seek medical attention.

Testing will be conducted weekly until mid-April.  We will advise when water quality returns to safe levels. 

For more information, see our website or contact our Stormwater team on 9298 8000.

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