The sewage system involves the collection and removal of wastewater from its point of origin to treatment facilities. After use, drinking water immediately becomes municipal wastewater. Together with wastewater and rainwater, it travels through the public sewer system, ending at a treatment plant where the water is cleaned before returning to the natural environment. This completes the water cycle.

The sewage system is a crucial part of municipal infrastructure that positively impacts the quality of living environments. By effectively capturing and treating wastewater, we protect human health, prevent the spread of diseases, and avoid contaminating surface and groundwater.