Bilhères en Ossau

Compact reed bed filter to treat raw unsettled domestic sewage (French system). Capacity : 315 people equivalent. Design and build : Epur Nature -2014.

Additional Info

  • In operation since: 2015
  • Type of wastewater treated: Domestic
  • Type of wastewater (other): domestic
  • Hydraulic load: 47 m³/day
  • Organic load (PE): 315 PE
  • Organic design load (kg BOD/day): 19
  • Location: Bilhères en Ossau
  • Client: Municipality
  • Stage 1 type: French system
  • Stage 1 surface area (m²): 386
  • Stage 2 type: Vertical flow, saturated
  • Needs:

    Reed bed filter wastewater treatment plant for domestic sewage in a steep environment with limited available land.

  • Solution:

    The system stacks a primary vertical freely drained filter treating raw unsettled sewage (french system) on a water-saturated secondary filter. Capacity : 315 people equivalent.

  • Benefits:

    Reduced footprint for this reed bed filter treating raw sewage (french system). Good performances of treatment. No electricity is required for feeding which is made through a self-priming siphon.

    Final outlet is made in the brook "L'Arrioubeigt".

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