Council prescribes dose of minerals for Einbunpin Lagoon in Sandgate
A trial to remove blue-green algae from Einbunpin Lagoon has been implemented by Brisbane City Council.
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A TRIAL to remove blue-green algae from Einbunpin Lagoon has been implemented by Brisbane City Council.
To combat the ongoing problem in central Sandgate, the council will dose water with a mineral supplement that encourages the growth of naturally-occurring organisms.
Chairman for Environment, Parks and Sustainability Cr David McLachlan said they would closely monitor the effects of the trial over the next few months to determine whether it had any impact on the algae’s growth.
“Council’s trial in the Einbunpin Lagoon will use minerals to promote the growth of naturally-occurring organisms already present in the lagoon, which will compete with the blue-green algae for nutrients,” Cr McLachlan said.
“If successful, council will be looking to roll out the program to other water bodies across the city.
“This will include Forest Lake in Brisbane’s south.”
Cr McLachlan said the trial would continue until July and would be expanded to other lakes and lagoons across Brisbane if successful.
Keep Sandgate Beautiful Association president Frank Box said it sounded like a good idea and he would be interested to see if it worked.
“The algae is there because there are too many nutrients in the system,” he said.
“I’d be interested to see how it works.
“They should really look at why the nutrients are there in the first place and solve the problem and see what we can do to minimise it.”
Recently the council fixed part of the crumbling retaining wall around Einbunpin Lagoon.
Mr Box said it looked better and there could be an option for more experimentation to fix the retaining wall in the long term.
“They did it on time by the end of June and it looks a lot better than it was,” he said.
“(The council should) take out a length of three metres and put in a Callistemon (bottlebrush) and the roots would hold the bank and see how it will go.
“That would be a much cheaper solution.”
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