Free boat launching will commence at O’Sullivan Beach boat ramp from 1 November 2025 thanks to a harmful algal bloom response partnership between the City of Onkaparinga and the state government.
The state government has created a web page that answers a wide range of questions and provides a list of links to other relevant state government agencies leading the response.
A semi aquatic groundcovering plant that thrives in damp and wet conditions. It is common along many watercourses in the Adelaide region where it provides important habitat for a variety of native wildlife.
Shelter for insects, tadpoles, frogs, snails and crustaceans. Nesting material and food source for native birds. Pollinated by native butterflies and native bees.
Persicaria decipiens flower
Persicaria decipiens