Algal blooms notice for Molloy Island near Augusta

The Department of Health is warning people to avoid contact with a Lyngbya sp. macroalgal bloom that formed in the Scott River Basin east of Molloy Island and upstream from the confluence of the Scott River within Augusta-Margaret River County (see map below).

Environmental Health Executive Director Dr. Mike Lindsay said the algae have a lumpy, greenish-brown stringy appearance in the water and that contact with the algae can potentially cause burning, itchy or blistering skin and breathing problems. in some people. Ingestion of affected water can also cause dizziness, diarrhea, vomiting, disorientation, difficulty breathing, and skin irritation.

“Recreational activities such as swimming, wading, kayaking, paddle-boarding, ski fishing, crab fishing and shellfish gathering should be avoided in these affected water areas and any other areas in which may form algae foam or visible discoloration, “he said.

“Pets and livestock should also be kept away from water during flowering.”

Dr. Lindsay said Augusta-Margaret River County will display signage of algal bloom on Molloy Island: Caravan Park and Ferry Crossing, and will also install health warning signs at key accessible points leading to the water area affected.

Anyone who comes into contact with algae foam should rinse it off with clean water and see a doctor if they feel unwell.

“As a general rule, people should avoid swimming in discolored waters or seaweed scum on the surface, and not eat recreational harvested shellfish as their safety cannot be guaranteed,” he said.

Dr Lindsay said farmed shellfish purchased in supermarkets and other outlets in WA are not affected as there is a rigorous quality assurance program to ensure they are safe for human consumption.

Not all waterways are always monitored for algae blooms and anyone who sees or suspects an algae bloom in a watercourse should report this to the Department of Water and Environmental Regulations ALGALWATCH during office hours at 6250 8064 or your local government authority for evaluation.

The Department of Water and Environmental Regulations will continue to monitor algal bloom and advise the Department of Health on algal activity levels at this location.

Learn more about monitoring algal bloom in Western Australia.

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