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

20 years old French system serving 200 p.e. in the Lyon area

Recirculated vertical flow French system for 800 p.e. with polishing in a "natural" horizontal flow wetland 

Hollange : a 432 m², vertical flow reed bed (French system) plus a 288 m² second stage unsaturated vertical flow filter, and a 1200 m² vegetated polishing zone treating 102 m3/d of domestic effluent.

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