DROPLET

An investigation into the effective distribution of on-site wastewater effluent into percolation areas and the treatment performance of sandy subsoils and constructed wetlands

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Project Metadata ElementDetails
  Project Title An investigation into the effective distribution of on-site wastewater effluent into percolation areas and the treatment performance of sandy subsoils and constructed wetlands
Research Area Water
Project Acronym
  Principal Investigator or Lead Irish Partner Laurence Gill
  Lead Institution or Organisation University of Dublin, Trinity College (TCD)
 Lead Country Ireland
 Latitude, Longitude (of Lead Institution) 53.34449, -6.25867
  Lead Funding Entity Environmental Protection Agency
  Approximate Project Start Date 01/01/2005
  Approximate Project Finishing Date 01/05/2009
  Project Website (if any)
  Links to other Web-based resources
 Project Keywords Wastewater; On-site Wastewater treatment; Sandy Subsoils; Wetlands
  Project Abstract The safe disposal of on-site wastewater is essential for the protection of groundwater in Ireland and has come more into focus recently due to the publication of the EPA guidance manual Treatment Systems for Single Houses (EPA 2000). This project reports the results from four separate field trials carried out on separate sites covering a range of different subsoil types whereby two sites were discharging septic tank effluent into conventional percolation areas and the other two sites were discharging secondary treated effluent from a peat filter into similar percolation areas. Stratified sand filters were also constructed one receiving septic tank effluent the other receiving secondary treated effluent for comparison. The short duration of the research (the maximum amount of time that each site was monitored was 12 months) andthe limited numbers of sites investigated mean that only tentative conclusions can be made about on-site wastewater treatment at this stage which will hopefully be corroborated by further research in the future.