Revelation 16:4

Then the third angel emptied his bowl into the rivers and the springs of water, and they turned into blood.

Revelation 8:10-11

Then the third angel blew his trumpet, and there fell from the sky a great star blazing like a torch, and it fell upon one-third of the rivers and the springs of water.

Revelation 14:7

He cried in a loud voice, "Fear God and give Him glory, because the hour of His judgment has come. Worship Him who made heaven and earth and sea and the springs of water."

Revelation 16:5

Then I heard the angel of the waters say: "You are just in passing such a sentence, you who are and were, you the Holy One.

Treasury of Scripture Knowledge

Summary

And the third angel poured out his vial upon the rivers and fountains of waters; and they became blood.

Bible References

Upon

Revelation 8:10
Then the third angel blew his trumpet, and there fell from the sky a great star blazing like a torch, and it fell upon one-third of the rivers and the springs of water.