Wastewater treatment plant Lennestadt-Grevenbrück

Wastewater treatment plant Wolfersheim

Wastewater treatment plant Steinberg

Wastewater treatment plant Saarwellingen

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)

Bridge, street and highway drainage Thyratalbrücke (Bundesautobahn A 38)

Bridge, street and highway drainage Weidengraben Brücke (Bundesautobahn A 38)

Bridge, street and highway drainage Taubentalsbach Brücke (Bundesautobahn A 38)

Bridge, street and highway drainage Bundesautobahn A 113

Bridge, street and highway drainage Bundesautobahn A 113

Bridge, street and highway drainage Wustermarkt (Bundesautobahn A 10)