Salts ​ — mainly magnesium, sodium, and calcium chlorides — ​ are washed into the Dead Sea in water flowing from the Jordan River and other smaller rivers, streams, and springs.
Jordani jõest ning teistest väiksematest jõgedest, ojadest ja allikatest kandub Surnumerre soolasid, peamiselt magneesium -, naatrium - ja kaltsiumkloriidi.