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More dams not the answer in dry times

The Fleurieu App

Staff Reporters

20 May 2025, 8:46 PM

More dams not the answer in dry timesDry watercourse at Strathalbyn.

Hills and Fleurieu Landscape Board has recognised that as South Australian farmers face the ongoing challenges of drought, the need for practical, equitable, and sustainable water solutions has never been more urgent. 


While calls to lift the ban on new dams reflect the real pressures on landholders, it says it’s important to understand why the current moratorium on new and enlarged dams in the Mount Lofty Ranges remains in place.


Since 2013, this moratorium has helped protect the region’s limited water resources, ensuring that water continues to flow to where it’s needed most - to other farmers, communities, and the environment. 


Water in this region is a shared resource. When more is captured in private dams, less reaches downstream users and ecosystems that rely on natural flows to survive, especially during dry times.


Paul Wainwright from Hills and Fleurieu Landscape Board says the motion to ease dam restrictions is of serious concern, particularly given the mounting pressure on the region’s water equity.


“Many catchments in the Mount Lofty Ranges are already overallocated. Further dam development would place unsustainable pressure on an already stressed system. 


“Additionally, around 30 per cent of water stored in dams is lost to evaporation. More water evaporating from more dams will further reduce water availability for everyone.


“This isn’t about restricting farmers, it’s about ensuring long-term water security for all. The government is actively working with communities, to develop a Regional Water Security Strategy and update water allocation plans. 


“These updates aim to provide greater flexibility and support for landholders during both wet and dry periods.” Mr Wainwright says.



The Landscape Board is encouraging farmers to explore water-efficient practices and alternative storage options that improve resilience without compromising the needs of others.


Importantly, all land managers planning work in a watercourse or on a dam must obtain the appropriate development approval or a Water Affecting Activity permit. 


These safeguards ensure that any changes to the landscape are managed responsibly and sustainably.


The Landscape Board acknowledges the hardship many farmers are facing and remains committed to working together toward a sustainable and secure water future for the entire region.

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