NANTAISE DES EAUX INGÉNIERIE trains staff in charge of operating the water-treatment plant. Training is also a way of guaranteeing that the plant is managed correctly. NANTAISE DES EAUX INGÉNIERIE provides an after-sales service in the event of a problem.

With a concern for transmission on technical know-how, NANTAISE DES EAUX INGÉNIERIE employees give courses at such schools as the ESIP (Ecole Supérieure des Ingénieurs de Poitiers - National Engineering School in Poitiers), Ecole des Mines de Nantes (National School of Mining Engineering in Nantes) and the University of Angers.