Ezekiel 47:6-8

He said to me, “Son of man, have you seen this?” Then he brought me back to the bank of the river. Now when I had returned, behold, on the bank of the river there were very many trees on the one side and on the other. Then he said to me, “These waters go out toward the eastern region and go down into the Arabah; then they go toward the sea, being made to flow into the sea, and the waters of the sea become fresh.