Revelation 9:14

9:14 saying to the sixth angel, the one holding the trumpet, “Set free the four angels who are bound at the great river Euphrates!”

Revelation 12:15-16

12:15 Then the serpent spouted water like a river out of his mouth after the woman in an attempt to sweep her away by a flood, 12:16 but the earth came to her rescue; the ground opened up and swallowed the river that the dragon had spewed from his mouth.

Revelation 16:12

16:12 Then the sixth angel poured out his bowl on the great river Euphrates and dried up its water to prepare the way for the kings from the east.

Revelation 22:1

22:1 Then the angel showed me the river of the water of life – water as clear as crystal – pouring out from the throne of God and of the Lamb,