2016-07-18 General Committee Meeting - Item 3 - Attachment 1 - Flood Management Plan

              6
                         A F T
       Flood Mapping
                      DR
Flood maps are the visible product of flood studies and        6.1 Noosa Planning Scheme Flood
flood records. They are a critical tool for communicating          Hazard Area
the findings of a flood analysis and/or an historical level
of inundation. Flood maps are often published for public       Noosa Planning Scheme’s current Natural Hazard Landslide
access and are commonly used for regulatory purposes           and Flooding Overlay series (OM1.3 to OM 9.3)16 depicts a
associated with Planning Scheme overlays.                      flood inundation extent for the Noosa River estuary from
                                                               Lake Cootharaba to the River mouth, Kin Kin township
Flood mapping is also critical for disaster planning (pre an   (Kin Kin Creek) and some sections of creek branches in
event) and disaster management during an event. Flood          Cooroy. These overlay maps typically represent a 1% AEP
mapping can also be used in development assessment to          flood event based upon current climate conditions.
determine the potential exposure of a development site
to mapped flood conditions beyond those presented in a         The Noosa River estuary Flood Hazard Area was derived
regulatory overlay.                                            from the Noosa River Flood Study by JWP 1995. The Kin
                                                               Kin Flood Hazard area was derived from the Kin Kin Flood
Flood maps are a snap shot of a chosen scenario of flood       Study by Lawson and Treloar 2002.
related conditions. Hence a series of flood maps may be
required to adequately cover the needs of the intended         The Cooroy Flood Hazard Areas were derived from the
user.                                                          Cooroy Flood Study by Lawson and Treloar 2002.

Noosa Council possess flood maps for: administering the        6.1.1     2016 Planning Scheme Amendment -
Planning Scheme (Noosa Plan); disaster management                        Flood Hazard Area
planning and response; and development assessment.
                                                               In late 2013, prior to de-amalgamation and as part of a
                                                               flood hazard mapping project, the Sunshine Coast Council
                                                               (SCC) revised and re-ran the design event temporal
                                                               patterns for all flood models within the Noosa Council
                                                               area.



16
     As amended 16 September 2013




                                                                                  NoosaNoosa
                                                                                        Council
                                                                                             Council
                                                                                                | Flood
                                                                                                      | Flood
                                                                                                         Management
                                                                                                              Management
                                                                                                                    Plan |Plan
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