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2021-11-15 GC Agenda - Item 7 - Attachment 1 - Coastal Hazards Adaptation Plan
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Log in to see the plans as drawn Noosa Coastal Hazards Adaptation Plan
COOROIBAH, COOTHARABA, COMO,
AND BOREEN POINT
Setting Risks within these localities
COOROIBAH, COOTHARABA, COMO, AND BOREEN POINT
This locality (a grouping of multiple localities The risks posed by inundation in these localities
Setting
with similar hazard exposure levels) focuses on
This locality (a grouping of multiple localities with similar are considered
hazard exposurelow, relative to otheronareas
levels) focuses the of
the shores
shores of of
thethetwo
twolakes
lakesandandtheir
their surrounds
surrounds (including Noosa’s
Boreencoastal zone. Due
Point township). Thetosurrounding
the narrow tidal
areasBoreen
(including of LakePoint
Cooroibah and Lake
township). The Cootharaba that range, are exposed to coastalfrom
and distance hazards
the are
riverrestricted
mouth, the
to the low-lying areas adjacent
surrounding areas of Lake Cooroibah and Lake to both lakes, and adjacent to the section of Noosa River
area of land projected to be inundated is low.
connecting the two lakes.
Cootharaba that are exposed to coastal hazards Some private lots along McKinnon Drive are
are restricted to the located
Boreen Point, low-lying areas adjacent
approximately 2.8 km to upstreamlikely
fromtoNoosa
be inundated periodically
River mouth, is the keywith very
activity
centreand
both lakes, at Lake Cootharaba
adjacent and remains
to the section of Noosa a small, secluded,
shallowlakeside
waters,village
alongwithwitha some
casualintrusion
and of the
leisurely atmosphere
River connecting the two lakes. focused on water activities which attracts visitors and tourists to the
stormwater network in this area. A significant area in
holiday periods. As well as being home to a community that appreciates the low-key lifestyle, it
area of land designated as conservation is
Boreenserves
Point,as a popular
located visitor destination
approximately 2.8 km and a gateway to the scenic wilderness of the upper Noosa
River. projected to be inundated on a frequent basis.
upstream from Noosa River mouth, is the key
These areas include parts of Great Sandy
activity centre at Lake Cootharaba and remains
At an elevation of only a few metres, the two lakes provide National environmental,
Park, Wooroieconomic,
Creek Bush social and
Reserve,
a small, secluded,
cultural values. lakeside village withare
Both waterbodies a casual
influenced by tides and experience minor inundation along
Moorindil Reserve, Harry Spring Conservation
the lakeshore
and leisurely under ‘king
atmosphere focusedtides’.
onThis is likely to be moderately exacerbated under future conditions
water
withwhich
sea level rise elevating the tourists
lake water level. Park, Cooroibah Environmental Reserve, and
activities attracts visitors and to the
Una Corbould Nature Reserve.
area in holiday periods. As well as being home
Risks within these localities
to a community
The risks posedthat appreciates
by inundation theinlow-key
these localities are Appendix
considered3low,
shows the to
relative change in riskofprofile
other areas
Noosa’s
lifestyle, it serves coastal
as azone.
popular Duevisitor
to thedestination
narrow tidal range,acrossand distance
variousfrom
partstheofriver mouth,
these the area
localities asof
and a land
gatewayprojected
to thetoscenic
be inundated
wildernessis low.ofSome
the private thelots area
alongexposed
McKinnontoDrive are likelyoftoperiodic
the effects be
upper inundated
Noosa River. periodically with very shallow waters, along with some intrusion of the stormwater
tidal inundation increases over time. Table 23
network in this area. A significant area of land designated as conversation is projected to be
inundatedofononly
At an elevation a frequent basis. These
a few metres, the two areas
lakesinclude provides a summary
parts of Great of the changing
Sandy National Park, Wooroi risk profile
Creek Bush Reserve, Moorindil Reserve, Harry Spring for Conservation
six broad asset Park,types across these localities
Cooroibah
provide environmental, economic, social and
Environmental Reserve, and Una Corbould Nature Reserve. that are projected to be exposed to the effects
cultural values. Both waterbodies are influenced
of periodic tidal inundation between present
by tides and experience
Appendix 3 shows the minor inundation
change alongacross various parts of these localities as the area
in risk profile
exposedunder to the ‘king
effects of periodic day and 2100.
the lakeshore tides’. This istidal
likelyinundation
to be increases over time. Table 23 provides a
summary of the changing risk profile for six broad asset types across these localities that are
moderately exacerbated under future conditions
projected to be exposed to the effects of periodic tidal inundation between present day and 2100.
with sea level rise elevating the lake water level.
Asset Type Inundation risks by year
Present Day 2040 2070 2100
Tourism Low
Business Low
Residential Low Medium
Infrastructure Low Medium
Recreational Low
Natural Low High
Table 23 - Change in locality asset risk profiles across planning horizons (Cooroibah, Cootharaba, Como & Boreen
Table 23 - Change in locality assetPoint) risk profiles across planning horizons
(Cooroibah, Cootharaba, Como & Boreen Point)
At present, the only method for mitigating the risks from tidal inundation in this area is:
At present, the only method for mitigating the risks from tidal inundation in this area is:
- Planning
- Planning and land
and land use regulations
use regulations are are in place
in place including
including minimumfloor
minimum floorheights
heights for
for new
new buildings
buildings
Page 73
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