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Managing our Environment

Lower Clutha Flood Protection Scheme 

The Clutha River is New Zealand’s second longest river and largest river by volume of flow. The Lower Clutha Flood Protection Scheme (Figure 1) protects and drains an area of approximately 9,300 ha. Most of the area covered by the flood scheme is farmland, but also includes the towns of Balclutha and Kaitangata. 

The Lower Clutha catchment has historically been at risk of flooding. The Clutha River/Mata-Au delta area is particularly vulnerable. 

The February 2020 flood event came soon after the November/December 2019 flood event. The scheme performed very well, although flood damage was sustained in a few areas. 

 

Figure 1: Lower Clutha Flood Protection Scheme

Figure 1: Lower Clutha Flood Protection Scheme

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