From the collection to the treatment and reuse of wastewater

In 2022, 3.5 billion people did not have access to safely managed sanitation facilities, including 1.5 billion without basic sanitation services.
Collection and treatment of wastewater

Wastewater management - collection, treatment and reuse where possible - represents both a crucial challenge and an opportunity for cities and industries. With its 170 years of experience, Veolia develops and offers tailor-made solutions based on the most advanced technologies. Our main objectives are to clean up wastewater and preserve and regenerate resources and natural environments. This approach is part of an efficient and sustainable management of the water cycle for each territory.

Treatment and reuse of wastewater

The Veolia difference

  • You benefit from the 170 years of experience of the world leader in wastewater collection and treatment.
  • You have access to the best wastewater and sludge treatment technologies available on the market.
  • You benefit from solutions tailored to your specific needs.
  • You have constant and transparent access to operational data.
  • You preserve the environment and your water resource.

Learn more about wastewater

Our solutions for collection, wastewater treatment and REUT:

Wastewater reuse

Veolia develops innovative solutions for the reuse of treated wastewater, thereby providing local answers to the global challenges of water stress. Our cutting-edge technologies enable effective treatment for all types of use, from irrigation to drinking water production and industry. We support our customers in implementing tailor-made, sustainable and regulatory-compliant reuse projects. Our goal is to achieve 1.2 billion m3 of reused wastewater by 2027.

Aquaculture and wastewater reuse

Veolia provides an innovative solution for sustainable aquaculture. This cutting-edge technology enables the treatment and recycling of wastewater for the farming of various fish species. Combining advanced biological treatment with efficient filtration, our system ensures optimal water quality, reducing the use of antibiotics and promoting fish health. Thanks to our Hubgrade digital solution, we can guarantee continuous, remote control of the installations, thus contributing to environmentally-friendly aquaculture.

In response to the challenges of climate change, Veolia ensures optimal management of urban wastewater systems. Our innovative solutions, tested worldwide, enable real-time control and dynamic adaptation of wastewater systems. We help municipalities anticipate risks, prioritize investments and optimize their existing infrastructures. Our global approach, from collection to treatment, guarantees the safety and quality of life of populations, while meeting today's environmental challenges, particularly during extreme weather events.

Collection and treatment of wastewater networks

Veolia boosts wastewater treatment with integrated intelligent solutions. Our cutting-edge technologies enable real-time control of facilities, optimizing every step of the process. This innovative approach guarantees superior service quality, controlled operating costs and enhanced regulatory compliance. Our intelligent control systems, deployed in control centers, ensure close monitoring and efficient plant management, whether upgrading existing facilities or designing new infrastructures.

Smart service: Smarter wastewater treatment

Treating wastewater with plants

Veolia innovates in wastewater treatment with an ecological solution based on nature. Our technology combines conventional engineering with a natural ecosystem, using plants and microorganisms to purify water. This approach offers numerous advantages: reduced energy consumption, smaller footprint, absence of odors and optimized operating costs. Resembling botanical greenhouses, our treatment plants blend seamlessly into the urban landscape, while maintaining high treatment quality. This sustainable solution meets the environmental and economic challenges facing local authorities, while raising public awareness about the importance of wastewater treatment.

Veolia is committed to eliminating micropollutants from wastewater to protect the environment and public health. Our innovative solutions combine advanced technologies such as activated carbon adsorption, ozone oxidation, and biological processes. These treatments effectively remove drug residues, pesticides, and other chemical substances present at trace levels in the water. Anticipating more stringent regulations, we offer solutions adapted to cities, industries, and the tertiary sector, guaranteeing high-quality treated water while protecting biodiversity and human health.

Veolia transforms sewage sludge into green energy using innovative technologies. Our anaerobic digestion process enables local authorities and industrial companies to convert this residue into biogas, offering a renewable, low-carbon alternative to fossil fuels. We can purify this biogas into biomethane, which can then be injected into the public gas distribution network. In this way, we help our customers achieve energy autonomy and reduce their carbon footprint.

To preserve natural resources and reduce greenhouse gas emissions, Veolia optimizes the energy efficiency of the water cycle. To do this, we offer services to optimize energy consumption and produce renewable energy. These solutions reduce energy demand, optimize plant operation, manage the purchase of primary energy and produce green energy. For example, Veolia installs units to produce energy from sewage sludge at wastewater treatment plants.

Did you know?

What is wastewater and its origins?

Wastewater is water that has been affected by human activities, whether domestic, industrial or agricultural. It contains pollutants that make it unsuitable for direct use. This water requires treatment before being released back into the environment to protect ecosystems and public health.