Fig. 2

Map of Israel's southern coastal area, showing Ashkelon sub-district and its surroundings. * Municipalities in which participants reported drinking unfiltered tap water are presented in bullet point and the estimated annual average of unfiltered tap water iodine concentrations (in ug/L) are shown in parentheses after the name of the locality: Ashkelon City (35 μg/L), Ashdod (3 μg/L), Kiryat Gat (3 μg/L), Sderot (9 μg/L), Bnei Dekalim (9 μg/L), Brechya (6 μg/L), Netivot (0 μg/L), Zikim (1 μg/L), Shokeda (0 μg/L)