By 2022, 700 millions of Tunisian Dinars “MTD” (approximately ? 340 million) will be mobilized for the creation of four desalination plants in the south of the country. According to the National Water Supply and Distribution Company (SONEDE), desalination of sea water is the right solution to meet the needs in drinking water affecting some regions of Tunisia. The four plants will be located in Sfax, Kerkennah, Zarat (Gabes) and Djerba. It should be noted that the Sfax plant will be carried out with a Japanese funding (300 MTD).