Taupo District Flood Hazard Study - Whareroa Stream June 2012

Taupo District Flood Hazard Study - Whareroa Stream
of the river, and around the lake shore. These areas are also prone to flooding from high lake
levels.
Flood waters that break out of the main channel flow across river bends and occupy low lying
areas. A large volume of water can be accommodated by inundation to a relatively shallow depth.
Likewise, once any flood water leaves the channel, the depth of flow is generally shallow and so
friction slows the velocity dramatically. Consequently over most of the area that would potentially
flood, the risk to life and property is low.
The areas subject to the greatest risk are within the main channel. Therefore, during the 100-year
event, the hazard outside of the obvious channels and flow paths is generally low. A small portion
of the ‘urban area’ near the mouth of the river is subject to a risk of flooding. However, while the
cost of flooding and inconvenience may still be high, the actual risks to life and property are not
great.
350855.00
June 2012
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