“During sustained rainfall, our network can’t manage our stormwater that finds its way into our network, creating the need for us to discharge into the Brisbane River.
“That has been ongoing since the commencement of the project and will continue until we’ve completed the replacement of both pipes within the siphon.”
“We signalled and communicated to community groups, to the Department of Environment, that there will be times, with the reduced capacity of the siphon, that there will be discharges.”
Arnold said the discharges occur from a point in Morningside and all have complied with regulations.
“Every time there’s a discharge, we take that very seriously,” he said.
“We want to make sure the community is protected so we issue emails and communicate to river users in the area that there has been a discharge.
“We ask them not to make contact with that area of the Brisbane River between Vic Lucas Park at Bulimba, all the way up to Colmslie Beach Reserve.”
Brisbane City Council is required to publish the results of its Water Quality Monitoring program.
A reading detecting 500 colony forming units per 100 millilitre of water suggests “there may be a significant risk of high levels of illness transmission” in the water.
In the weeks after Cyclone Alfred, readings detected more than three times that amount in Colmslie, West End and Indooroopilly.
Resident Adam Bowden began a community group to advocate for cleaner waterways, after bacteria levels spiked in Cabbage Tree Creek, near the Sandgate Sewage Treatment Plant.
He said the revelations of the discharges into the Brisbane River were “absolutely disgusting”.
Adam Bowden started a community group after local waterways were found to be contaminated.Credit: Nine News
“Honestly, we cannot continue to let this happen, I am mind-blown by this data,” he said.
“I knew the situation was bad but this is worse than I expected.
“We want people to come to Brisbane and see a beautiful clean city, if we continue on the path we’re going, we’re not going to see that.”
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