Study warns of seawater intrusion in eastern Tunisia

A recent hydrological study reveals that unregulated groundwater exploitation along the eastern coast of Tunisia, especially in the Nabeul region, has led to saltwater intrusion into the aquifer at depths ranging between 2 to 3 kilometers. This has exacerbated issues of soil and crop salinization. The findings indicate that increasing pumping rates by 50% would accelerate the advance of saltwater intrusion, whereas reducing groundwater extraction by the same percentage could allow for a gradual recovery of the aquifer over several years. The study emphasizes that an effective solution requires implementing water source oversight and utilizing techniques such as injecting treated wastewater to counteract resource deterioration and to safeguard agriculture and economic stability in the region.

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