Now in Jerusalem by the sheep gate, there is a pool, which is called in Hebrew, "Bethesda," having five porches.
Of John's seven signs, the third and the sixth occurred at the pools of Bethesda and Siloam; the first was changing water into wine; and the fifth was walking on the water.  In addition, John's "born of water" and "living water" of chapters three and four, make it clear that the apostle did remarkably stress "water" in his Gospel.  There is also the "blood and water" of the crucifixion (John 19:34).