Then the children of Israel came to Elim where there were twelve springs of water and seventy date palms, and they camped there beside the waters.

Now the priest of Midian had seven daughters; and they came and drew water [from the well where Moses was resting] and filled the troughs to water their father’s flock.

But if they will not believe these two signs or pay attention to what you say, you are to take some water from the Nile and pour it on the dry ground; and the water which you take out of the river will turn into blood on the dry ground.”

So all the Egyptians dug near the river for water to drink, because they could not drink the water of the Nile.

They said, “An Egyptian saved us from the shepherds. He even drew water [from the well] for us and watered the flock.”

Then the Lord said to Moses, “Say to Aaron, ‘Take your staff and stretch out your hand over the waters of Egypt, over their rivers, over their streams, over their pools, and over all their reservoirs of water, so that they may become blood; and there shall be blood throughout all the land of Egypt, in containers both of wood and of stone.’”