Treating runoff in the construction and operational phases of a greenfield development using floating wetland treatment systems

Christopher Walker, Terry Lucke, Floris Boogaard, Peter Schwammberger

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Floating wetland treatment systems (FWTS) are an innovative stormwater treatment technology currently being trialled on a larger scale in Australia. FWTS provide support for selected plant species to remove pollutants from stormwater discharged into a water body. The plant roots provide large surface areas for biofilm growth, which serves to trap suspended particles and enable the biological uptake of nutrients by the plants. As FWTS can be installed at the start of the construction phase, they can start treating construction runoff almost immediately. FWTS therefore have the potential to provide the full range of stormwater treatment (e.g. sediment and nutrient removal) from the construction phase onwards. A 2,100m 2 FWTS has been installed within a greenfield development site on the Sunshine Coast, Queensland. A four-year research study is currently underway which will target the following three objectives; (1) characterise the water quality of runoff from a greenfield development in the construction and operational phases; (2) verify the stormwater pollution removal performance of a FWTS during the construction and operational phases of a greenfield development; and (3) characterise the ability of FWTS to manage urban lake health. This extended abstract presents the proposed research methodology and anticipated outcomes of the study
Original languageEnglish
Number of pages4
Publication statusPublished - Jun 2016
Event9th international conference Novatech 2016: planning & technologies for sustainable urban water management - Institut National des Sciences Appliquées de Lyon (INSA), Lyon, France
Duration: 28 Jun 20161 Jul 2016
Conference number: 9th


Conference9th international conference Novatech 2016
Internet address


  • construction runoff
  • urban runoff
  • stormwater treatment
  • greenfield development
  • floating wetlands


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