Revelation 16:4
And the third angel poured out his vial upon the rivers, and on the fountains of water; and they became blood.
Revelation 8:10-11
And the third angel sounded; and there fell from heaven a great star, blazing like a torch; and fell upon the third part of the rivers, and upon the fountains of waters:
Revelation 14:7
saying with a loud voice, Fear God, and give glory to him; for the hour of his judgments is come: and worship him who made heaven, and earth, and sea, and the fountains of water.
Revelation 16:5
And I heard the angel of the waters saying, Righteous art thou, who art, and who wast; who art perfect; because thou hast judged these: