Wastewater treatment plant Nonnweiler Kastel

Wastewater treatment plant Markkleeberg

Wastewater treatment plant Bubach-Calmesweiler

Wastewater treatment plant Altenstadt

Wastewater treatment plant Berlin (Johannesthaler Chaussee)

Wastewater treatment plant Rödental (Itztalbrücke)

Wastewater treatment plant Herten (Nimrodstraße)

Wastewater treatment plant Hemmoor

Wastewater treatment plant Havixbeck

Wastewater treatment plant Hamburg (Op de Solt)

Wastewater treatment plant Großenkneten (Huntlosen)

Wastewater treatment plant Gronig-Oberthal

Wastewater treatment plant Flensburg

Wastewater treatment plant Flensburg

Wastewater treatment plant Essen (Wittenbergstraße)

Wastewater treatment plant Haldensleben (Rottmeisterstraße)

Wastewater treatment plant Dingolfing

Wastewater treatment plant Darmstadt

Wastewater treatment plant Dauernheim

Wastewater treatment plant Berlin (Alexanderstraße/Grunerstraße)

Warszawa - WWTP Poludnie

Warszawa, Orzechowo - WWTP

Stargard Szczecinski - WWTP

Radzyn - WWTP

Pruszkow - WWTP

Plock, PKN ORLEN - WWTP

Wolsztyn - WWTP

Krotoszyn - WWTP

Nowy Dwor Gdanski - WWTP

Lyna - WWTP