Sewer network Total 285 km Wastewater115 km combined sewage 75 km stormwater95 km Diameter20 cm to 2.5 m manholes 8.960 pieces of rainwater overflows 11 pieces of storage sewers 7 pieces of pumping stations53 pieces of house connections 10.000 (estimated value) Connection rate > 99 % Personnel37 employees (32 full-time)
