Drinking water and sanitation

Sludge waste from the cleaning of wastewater systems.

Technical unit where one or several activities or processes are carried out.

Water used in an industrial plant (process water, cooling water).

Water used by human beings for their domestic needs (kitchen, toilets, bathrooms, etc).

Rainwater flowing on the ground.

All equipment for treating and cleaning polluted water.

All equipment for treating and cleaning waste water.

All structures built by man to channel rainwater and wastewater within a city. Most of these structures are pipelines/sewers connected to each other underground. The sewer system is one of the elements constituting the sewerage system.

Specific (physico-chemical or biological) treatment of wastewater which aims to reduce its phosphate concentration.