EPAL – Empresa Portuguesa das Águas Livres, SA, is the oldest and largest water supply company in Portugal. EPAL supplies water to around three million people and provides household water to Lisbon’s 480,000 inhabitants. With 140 years of experience, EPAL is seen as the reference company in Portugal, having developed modern management strategies with the objective to improve overall efficiency of the company and attain sustainable management from social, environmental and economic perspectives.