About us

The Syntea group

was set up with a shared ambition for both of its subsidiaries Epur Nature and Agro Environnement: to preserve the most precious of all our natural resources - Water. Thanks to their combined knowhow and experience, Syntea is able to offer treatment and purification solutions adapted to different areas of activity and the environmental requirements of local authorities and industries.

The development of these companies is based on a robust organisational structure combining skills and diversity. By sharing our values we are able to provide our customers with optimised highly efficient effluent treatment solutions.

The development of specific technologies to deal with very different pollutants and discharge requirements is made possible by constant communication between all of our engineers and technicians.

The fundamental basis for our commitment to build the future has always been the search for innovative technologies. A department dedicated to Research & Development focuses on continuously improving the treatment processes, and as a result with regularly file patents

Our international presence
Our multi-disciplinary offering enables us to provide solutions proven in each field on an international level. Our projects are implemented thanks to collaboration with selected partners. The chosen solutions are adapted to the local climate and availability of local skills and resources. We are already present in Spain and Portugal via our Spanish subsidiary, Técnicas y Tratamientos de Depuración (TTD) and in Morocco with our Epur Environnement subsidiary. We are developing an international growth strategy motivated by markets where there is a demand for our technologies.


Since 1999, Epur Nature is the pioneering company for treatment of domestic waste water using constructed wetlands in France. It makes its expertise available to public and private sector players who are seeking reliable, durable, economic and environment-friendly solution. Epur Nature has also developed compact ecological systems capable of meeting the needs of sites where the available area of land is limited. More than 800 plants with a capacity of 20 to 6,000 People-Equivalent for public and private sector organisations demonstrate every day the effectiveness of the systems we supply. EPUR NATURE also operates in specific fields such as treatment of industrial or specific effluents, treatment of rainwater, sludge, septage and natural swimming areas.


Created in 1998, Agro Environnement is specialised in construction of sewage plants treating effluents with a very high level of organic material. It has also obtained approval from the French Ministry of the Environment to treat crop protection effluent. It has built 450 sewage plants in a highly diverse range of fields such as the food production industry, distilleries, and wine production, a sector where it is the leader in France, Spain and Portugal. The constant need to deal with new effluents and the toughening of discharge standards has led Agro Environnement to develop technologies combining several treatment processes such as the activated sludge system combined with Planted Reed Bed Filters which has been patented.

Scientific collaboration
Our companies have developed a culture of collaboration with research centres, institutional and industrial partners in the various areas of activity, making it possible to develop innovative technologies and share our know-how. Epur Nature regularly participates in research work with Irstea - the French national research institute in science and technologies for the environment and agriculture. It also participates in European and international research programmes bringing together industrial partners and research centres. As for Agro Environnement, it has developed a close partnership with Bucher Vaslin, the world leader in winemaking equipment, in order to commercialise a range of sewage plants especially adapted to treatment of wine production and crop protection effluents.

Our international presence
Our multi-disciplinary offering enables us to provide solutions proven in each field on an international level. Our projects are implemented thanks to collaboration with selected partners. The chosen solutions are adapted to the local climate and availability of local skills and resources. We are already present in Spain and Portugal via our Spanish subsidiary, Técnicas y Tratamientos de Depuración (TTD) and in Morocco with our Epur Environnement subsidiary. We are developing an international growth strategy motivated by markets where there is a demand for our technologies.