Ezekiel 47:6-8

He asked me, “Son of man, do you see this?” Then he led me back to the bank of the river. When I arrived there, I saw a great number of trees on each side of the river. He said to me, “This water flows toward the eastern region and goes down into the Arabah, where it enters the Dead Sea. When it empties into the sea, the salty water there becomes fresh.