36 Nevertheless a fountain or a cistern wherein is a gathering of water shall be clean; but he who toucheth their carcass shall be unclean.
Leviticus 11:36 Cross References - JPS_ASV_Byz
Zechariah 13:1
1 In that day there shall be a fountain opened to the house of David and to the inhabitants of Jerusalem, for purification and for sprinkling.
John 4:14
14 but whosoever drinketh of the water that I shall give him shall never thirst, but the water that I shall give him shall become in him a well of water springing up unto eternal life.