'Water' in the Bible

I indeed have baptized you with water: but he shall baptize you with the Holy Ghost.

And straightway coming up out of the water, he saw the heavens opened, and the Spirit like a dove descending upon him:

For whosoever shall give you a cup of water to drink in my name, because ye belong to Christ, verily I say unto you, he shall not lose his reward.

And he sendeth forth two of his disciples, and saith unto them, Go ye into the city, and there shall meet you a man bearing a pitcher of water: follow him.