Genesis 7:24 in the World English Bible
The waters flooded the earth one hundred fifty days.
Context
23 And every living substance was destroyed which was upon the face of the ground, both man, and cattle, and the creeping things, and the fowl of the heaven; and they were destroyed from the earth: and Noah only remained alive, and they that were with him in the ark.
24 And the waters prevailed upon the earth an hundred and fifty days.