The Toowoomba Regional Council has decided to build two controversial flood detention basins in the city's south.
About 50 people protested outside city hall as the council met to vote on the East Creek Master Plan this morning.
More than 6,000 people have signed petitions opposed to the council's plan to build detention basins in Ballin Drive and Garnet Lehmann Park.
They say the removal of hundreds of trees was unnecessary.
However, in a unanimous decision, councillors adopted a revised version of the plan.
The decision was met with anger from the public.
Protesters say the council has not explored other options for flood mitigation in the area.
© ABC 2014
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