Large treatment wetland in the northwest of France, near the city of Le Mans,  treating 4000 PE and also large amounts of storm and drainage water. Zero surface water discharge in summer. 

The municipal centralised treatment plant (a classic activated sludge technology) for the wastewater produced by the municipality of Jesi (Ancona province – central Italy) has been upgraded in the year 2002, with the realisation of a new “nitrification-denitrification” compartment and a hybrid Constructed Wetland as polishing stage. 

One of the largest and most efficient wastewater treatment plant with french system reed bed filter in France.

Nominal capacity : 4000 p.e. with an extension to 6000 p.e. 

Crynant: Two 1,200m2 vertical flow reed beds operated alternately to treat 3,400 m3/d of tertiary municipal waste water.

Earls Colne: Two 800m2 vertical flow reed beds operated alternately to treat 1,168m3/d of tertiary sewage waste water.

An educational wetland of 30 PE treating the sanitary wastewater of a toilet building.

A horizontal subsurface flow constructed wetland treating the wastewater from a housing scheme in the tropical island of Mayotte 

Two stage vertical flow wetland with recirculation. The system treats the wastewater from the ecological office building. The treated wastewater is reused for toilet flushing.

A 10 years old CW multistage system (5 stages: Imhoff+HF+VF+HF+FWS) treating the municipal wastewater for a town of 3500 inhabitants.

Saint Sulpice la Foret : a 1000 PE waste stabilization pond boosted to 1950 PE by addition of reed bed filters. A 2,400 m², vertical flow reed bed (French system), a 1,950 m² second stage vertical flow, unsaturated plus a 10,000 m² of willow plantation and a 5,000 m² pond treating 400 m3/d of domestic effluent.

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