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2016-07-18 General Committee Meeting - Item 3 - Attachment 1 - Flood Management Plan
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Downstream of Tewantin, peak flood levels are governed The Noosa River catchment is large and much of it is
A F
by storm surge flooding; upstream of Tewantin, peak flood relatively flat. The two large lakes along the river, Lakes
DR
levels are governed by freshwater river flooding behaviour. Cootharaba and Cooroibah, provide large storage areas
which also slow down the flow of flood water on its way
to the river mouth. Lakes Cootharaba and Cooroibah exert
a significant effect on river flooding behaviour along the
Noosa River. Floodwaters generated from catchment areas
upstream of these lakes spread out across the waterbody
Figure 2: Map of major waterways and catchments.
Noosa Council | Flood Management Plan | Page 8
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