Privately owned by individuals who have dedicated their professional lives to water and wastewater engineering and project execution, Nenner Haeuser benefits from a leadership team and managerial staff with over two decades of collective experience.

Together with our highly skilled engineering personnel, we have overseen the design, construction, and operation of over 100 distinct water and wastewater treatment installations globally, leveraging a diverse array of cutting-edge technologies.

In addition to our proprietary biological technologies, we specialize and focus on advanced aerobic, anaerobic, and SBR (Sequencing Batch Reactor) systems, collaborating with globally renowned companies through licensing agreements and strategic partnerships.

Our capabilities span across a comprehensive range of water and wastewater types, allowing us to treat, and if necessary, recycle and reutilize water resources effectively. Beyond constructing new facilities, we possess extensive experience in upgrading and expanding existing plants.