The pumping station without sewage wastewater is equipped with a submersible pump and a backflow preventer. The collection tank is an LW 1000 chamber system made of permanently resistant polymer (PE) with open pump tank and universal connection options. Quick-release closures enable the integrated components to be removed easily. The station is optionally controlled by a user-friendly control unit, which can be integrated in the building management system via a potential-free contact. Alternatively, alarm and collective fault messages can be output via a GSM interface.