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".