Geosmin has presently been detected in the Mitta Mitta arm of Lake Hume at Tallangatta and in Lake Mulwala at Yarrawonga. It is a naturally occurring compound that can affect the taste and odour of our drinking water. It is caused by blue-green algae. Treatment processes are removing the geosmin from drinking water.
Below are frequently asked questions about Geosmin and its effects on treated water.