ASG's tasks include the planning, construction and overall maintenance of the urban drainage facilities. These include sewage treatment plants, pumping stations, the entire sewer network with its wastewater, stormwater and combined sewer pipes, stormwater retention basins and special structures. This includes the technical processing of property drainage applications and the acceptance of property drainage systems, the construction of property connection pipes, the maintenance of the wastewater register, laboratory activities as part of self-monitoring and the disposal of waste from small sewage treatment plants, watertight collecting pits and the safe disposal of municipal sewage sludge.