36

million

people benefiting from SUEZ sanitation services
+ 2850
 
wastewater treatment plants designed and built by SUEZ

Your challenges, our solutions

Public sector

Wastewater treatment plants

Efficient treatment solutions that even make it possible to reuse treated water.
Public sector

Aquadvanced urban drainage 

Optimise your wastewater and rainwater network with Aquadvanced urban drainage. Reduce overflow and prevent flooding. 

Innovative and responsible solutions to optimise domestic and industrial wastewater treatment

The increase in the world population, urbanisation, new modes of production and consumption are generating increasing volumes of wastewater, a real challenge for the health of populations, but also for the environment. This wastewater, if it is not collected and treated or poorly treated, has a direct impact on the natural environment where it is discharged and generates pollution that is harmful to biodiversity and the quality of water resources. 
Connecting homes to wastewater treatment systems significantly reduces the environmental impact by ensuring effective treatment of effluent before it is discharged, to limit the spread of bacteria. The responsible management of these growing volumes of wastewater is a major challenge for all stakeholders in France and around the world (local authorities, operators, etc.).  

We design and build wastewater treatment plants to treat domestic and industrial wastewater, and reducing its impact on the environment, and thus act to preserve public health, water resources and our environment. 

Population growth and urbanisation are increasing the volumes of wastewater, posing risks to public health and the environment. Poorly or untreated wastewater pollutes ecosystems and degrades the quality of water resources. 

We have developed Aquadvanced, a range of digital solutions to optimise the management of water resources

By combining cutting-edge technologies and our historical expertise as an operator, we have designed 2 solutions dedicated to the management, treatment and control of wastewater from wastewater treatment plants. Thanks to the continuous and real-time collection and analysis of data during all stages of treatment, you benefit from a global view of the performance of domestic and industrial wastewater treatment networks and plants, and effective decision support to optimise their management.

To reduce the impact of your wastewater on the environment, we also offer green solutions. 

The advanced treatment processes used in our wastewater treatment plants, connected to the sanitation system, make it possible to treat wastewater efficiently by limiting any pollution with regular monitoring of the facilities.The plants are optimized to limit their footprint on the ground and the environment by reducing energy consumption, greenhouse gas emissions and reagents. It is essential to ensure a high quality of water purification and effective removal of pathogenic bacteria. The settling steps at the beginning of the wastewater treatment process play a crucial role in reducing its impact on the environment by effectively separating solids from liquids. 

We recycle organic waste from sludge from wastewater treatment plants. This sludge is organic matter rich in nitrogen and phosphorus. We transform them into energy or organic soil improvers that enrich the soil, in order to reduce the impact of wastewater treatment on the environment and promote the circular economy. 


Green infrastructure such as green roofs, artificial wetlands and vegetated valleys for stormwater management are natural solutions that help reduce flood risk, improve water quality and promote biodiversity. 


We are developing a rainwater collection and treatment system for reuse in non-potable uses such as irrigating green spaces, washing vehicles and filling ponds. For example, the Agde golf course saves 200,000 m³ of drinking water each year by reusing treated water for 75% of its irrigation. This reduces the demand for drinking water and conserves water resources.


To ensure the public service mission of domestic and industrial wastewater management, we also support local authorities, urban planners and infrastructure managers with awareness-raising and training programs on good practices in the management of rainwater networks. These initiatives aim to promote an integrated and sustainable approach to stormwater management, while preserving the environment.

Thanks to our expertise, we support you on a daily basis, providing solutions that reduce the impact of wastewater on the environment and contribute to building a sustainable future through innovative and responsible solutions. With a clear vision and concrete actions, we position ourselves as a partner of choice for current and future environmental challenges.

Frequently Asked Questions

We also support you to

Improve network performance 

Our digital solutions are proving to be valuable allies in optimising the performance of your water networks and managing resources more efficiently. 

Guarantee plant performance 

We guarantee the performance of your plants by operating them directly or providing you with solutions to help you manage them and optimise your operating and maintenance costs.