Ezekiel 47:1-4

And he brought me back unto the door of the house; and, behold, waters issued out from under the threshold of the house eastward (for the forefront of the house was toward the east); and the waters came down from under, from the right side of the house, on the south of the altar. Then he brought me out by the way of the gate northward, and led me round by the way without unto the outer gate, by the way of the gate that looketh toward the east; and, behold, there ran out waters on the right side. When the man went forth eastward with the line in his hand, he measured a thousand cubits, and he caused me to pass through the waters, waters that were to the ankles. Again he measured a thousand, and caused me to pass through the waters, waters that were to the knees. Again he measured a thousand, and caused me to pass through the waters, waters that were to the loins.