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The City of West Torrens 100 year flood event extents show significant areas of Keswick, Mile End South,
Hilton, Ashford, Cowandilla, Brooklyn Park and Adelaide Airport being a risk of flooding. In addition, some
areas of West Richmond, Netley, Kurralta Park and North Plympton may also experience flooding in a
100 year storm.
12.4.1. Climate Change Implications for Catchment Management
In 2003, Flood Inundation and Hazard Mapping Study for Brown Hill and Keswick Creeks was undertaken
for the Patawalonga Water Catchment Management Board and found that the Brown Hill Creek and
Keswick Creek catchments were at risk of stormwater inundation. It is worth noting that this study did not
take into account the increase in frequency of intense storm events associated with climate change.
12.5. Summary
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There are four catchments within the Study Area – Port Adelaide, Dry Creek, Torrens River and
Patawalonga. These catchments comprise urbanised and rural settings with engineered and
natural formats.
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Several stormwater/flood items are of significance to the Study Area, including the Barker Inlet for
ecological purposes, Breakout Creek Weir for storm surge protection, aquifer recharge schemes,
gauging stations, and storm water reuse projects adjacent the golf courses.
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Potential impacts from climate change upon these assets include stormwater and/or seawater
inundation, reduced streamflows, lower water levels, and need for reduction in diversions.
