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Wastewater Treatment

By treating wastewater, Veolia Water helps to protect water resources, spur the economic growth of cities and improve quality of life.

A major challenge

Both wastewater treatment and drinking water services fall under the responsibility of public authorities. Critical to public health and environmental balance, wastewater treatment needs to be stepped up in a world in which 2.6 billion people lack access to basic sanitation.

The three steps in wastewater treatment

The process deployed by Veolia Water to preserve the quality of water involves three key steps.

  • Collection. This is done through a wastewater collection system consisting of a network of pipes. This conveys the wastewater to the treatment plant. Collection systems are maintained regularly (cleaning, monitoring, etc.) to prevent blockages and corrosion.
  • Treatment. The way that the water is dealt with at a wastewater treatment plant is based on its degree of pollution and the legislative standards governing its discharge into the environment.
  • Discharge into the environment. After processing at a treatment plant, the water is returned to the natural environment in a way that does not adversely impact environmental balances.

A world-class operator

A leading global operator of wastewater services for public authorities, Veolia Water provides services to more than 71 million people worldwide and manages some 3,514 municipal treatment plants. We treat the wastewater of a number of major cities, including Milwaukee, The Hague, Budapest and Madrid, and develop innovative technical solutions, especially for managing and recycling wastewater sludge.

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