Journal article

Restoration of stormwater retention capacity at the allotment-scale through a novel economic instrument

Tim D Fletcher, Chistopher J Walsh, Darren Bos, Veronika Nemes, Sharyn RossRakesh, Toby Prosser, Belinda Hatt, Rhiannon Birch



Urbanisation results in changes to runoff behaviour which, if not addressed, inevitably degrade receiving waters. To date, most stormwater management has focussed on the streetscape and public open space. Given that much of the catchment imperviousness is located on private land, we developed and tested a novel economic instrument (a uniform price auction) for encouraging allotment-scale stormwater retention. We evaluated bids using an integrated environmental benefit index (EBI), based on the ability of the proposed works to reduce runoff frequency, pollutant loads and to reduce potable water demand. The uniform price auction resulted in 1.4 ha of impervious areas being effectively 'disconn..

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Funding Acknowledgements

This project is a collaboration between The University of Melbourne, Monash University, Melbourne Water, the Shire of Yarra Ranges and Yarra Valley Water. We particularly thank Melbourne Water for its extensive funding and inkind support, and the SmartWater fund (Victorian Government) for funding the pilot Stormwater Tender. We also acknowledge funding support through the Commonwealth Caring for Our Country scheme.