State of the German Sewer System. Results of the 2020 DWA Survey (#233)
Peter Schleiffer
1
,
Jonas Schmitt
2
,
Christian Berger
2
,
Johannes Pinnekamp
1
- Institute of Environmental Engineering (ISA), RWTH Aachen University, Aachen, Germany
- German Association for Water, Wastewater and Waste (DWA), Hennef, Germany