At Escurolles, in central France (Allier), a reed bed fed with raw sewage assures primary and secondary treatment for 705 PE , followed by a tricking filter for polishing and nitrification 


  • In operation since: 2013
  • Designed by EPUR NATURE
  • Type of wastewater treated: Domestic
  • Hydraulic load: 105 m³/day
  • Organic load (PE): 705 PE
  • Organic design load (kg BOD/day): 42,3 kg BOD/day
  • Location: Escurolles, Departement of Allier, France
  • Client:  Aumont
  • Stage 1 type: French system
  • Stage 1 surface area (m²): 840
  • Stage 2 type: trickling filter, unsaturated
  • Stage 2 surface area (m²): 60
  • Needs:

    Two stage reed bed filters fed with raw sewage have become very popular in France for the treatment of waste water in rural areas.   However, they have a rather large footprint as far as surface area is concerned. In  the case of Escurolles, available surface area was limited, so a more compact solution had to be found

  • Solution:

     The foot print of the plant was reduced in substituting the second stage reed bed though a recirculating trickling filter for polishing and nitrification.

  • Benefits:

    The advantage of r treatment of raw sewage and sludge in a French type reed bed could be maintained while making the system more compact 

Additional Info

  • Hydraulic load: m³/day
  • Organic load (PE): PE
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