Revelation 16:4
And the third angel poured out his vial on the rivers and on the fountains of waters; and they became blood.
Revelation 8:10-11
And the third angel sounded, and there fell from heaven a great star burning like a torch, and it fell upon a third part of the rivers, and the fountains of waters: and the name of the star is Wormwood;
Revelation 14:7
and people, saying with a loud voice, Fear God, and give glory to Him; for the time of his judgement is come: and worship Him that made the heaven, and the earth, and the sea, and the fountains of waters.
Revelation 16:5
And I heard the angel of the waters saying, Righteous art Thou, O Lord, who art, and who ever wast; and who art holy, for Thou hast ordered these things: because they have shed the blood of saints and prophets,