Rev.8.10  The third angel blew his trumpet, and a great star fell from heaven, blazing like a torch, and it fell on a third of the rivers and on the fountains of water.
Rev.14.7  and he said with a loud voice, "Fear God and give him glory, for the hour of his judgment has come; and worship him who made heaven and earth, the sea and the fountains of water."
Rev.16.4  The third angel poured his bowl into the rivers and the fountains of water, and they became blood.
Rev.21.6  And he said to me, "It is done! I am the Alpha and the Omega, the beginning and the end. To the thirsty I will give from the fountain of the water of life without payment.

Hyper-concordance v1.1, by Sean Boisen. Scripture verses taken from the Revised Standard Version, copyright 1952, 1971.