ONEA, the Office National de l'Eau et de l'Assainissement, is a vital state-owned enterprise in Burkina Faso, established on July 22, 1985, by decree. As the first company in the country to receive ISO 9001 certification, ONEA is dedicated to ensuring the well-being of Burkinabè populations by providing essential water supply and sanitation services. The organization is committed to treating, storing, transporting, and distributing clean water across urban areas, catering to over 10,000 residents.

ONEA offers a range of products and services including potable water distribution through private connections and public fountains, as well as wastewater and sanitation management, which encompasses both autonomous and collective systems. The company operates a customer service center, ONEA VENEGRE, which emphasizes accessibility and responsiveness to user needs, including a 24/7 hotline for leak reporting. Driven by values of professionalism, responsibility, and customer orientation, ONEA continuously works towards enhancing service delivery while fostering sustainable development practices in the region.