Cultural Heritage Conservation as a Driving Force toward Sustainable Water Management in Djerba Island

The island of Djerba is a tourist destination in the southeastern semi-arid region of Tunisia. Especially during peak tourism seasons, it experiences severe pressure on its water supply. Given the island’s historical water scarcity, locals have developed solutions to address the shortage, with one of the most notable being the rainwater harvesting and storage system. This system has evolved intricately over time, with meticulous attention to construction details, material selection, maintenance, and management strategies. This article posits that embracing and disseminating traditional rainwater harvesting knowledge can play a pivotal role in achieving sustainable water management. It also raises the question of whether fostering cultural heritage through a sustainable tourism orientation, aimed at highlighting heritage, aligns with this objective.