GWT Gold Sponsor @ Wetpol2023



Wetpol Sponsors



Don’t miss GWT presentations at this year’s conference:

10th International Symposium

On Wetland Pollutant Dynamics and Control

10 – 14 September 2023 | Bruges, Belgium


Chiara Sarti, Anacleto Rizzo, Riccardo Bresciani, Fabio Masi, Alain Petitjean, Ania Morvannou, Jan Schuetz, Flor Louage, Vaidotas Kisielius and Dr. Jaime Nivala (keynote) will present work which has been authored or co-authored by GWT members.





Segonzac 1600 p.e.

Segonzac wastewater treatment plant for domestic sewage - Capacity 1600 people equivalent. In the shape of snail, emblem of the village.  Design : Epur Nature. 2014

Additional Info

  • In operation since: 2014
  • Type of wastewater treated: Domestic
  • Hydraulic load: 203 m³/day
  • Organic load (PE): 1600 PE
  • Organic design load (kg BOD/day): 96
  • Location: Segonzac, Charente
  • Client: Municipality
  • Stage 1 type: French system
  • Stage 1 surface area (m²): 1926
  • Stage 2 type: Vertical flow, unsaturated
  • Stage 2 surface area (m²): 1284
  • Stage 3 type: Other
  • Stage 3 surface area (m²): 3150
  • Needs:

    Constructed wetlands were required to treat municipal wastewater for 1600 p.e., with high performances of treatment, reliability, sustainability and landscape integration.

  • Solution:

    The solution is a 2-stage vertical flow reed bed filters (French system) with an infiltration area, designed with the shape of snail, which is the emblem of the village. Design : Epur Nature.

  • Benefits:

    Efficient, reliable, sustainable and nicely shaped, this wastewater treatment plant guarantees an outlet quality concentration of COD 90 mg/l, BOD5 25 mg/l, SS 30 mg/l, TKN 20 mg/l.


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The IWA Specialist Group on Wetland Systems for Water Pollution Control is organizing two new online events of YWP career pathways series where established professionals of the field will share their experiences and views on career opportunities in the wetland world.

21st of September at 2:00 pm (CEST), Gabriela Dotro (Senior Researcher at Cranfield University), Link

15th November at 1:30 pm (CET), Scott Wallace (CEO Naturally Wallace - GWT founding member), Link