7 Bible Verses about Bad Water

Does the fountain send forth, from the same opening, the sweet water and the bitter,

And the second angel sounded, and as it were a great mountain burning with fire was cast into the sea; and the third part of the sea became blood;

And the second poured out his bowl into the sea; and it became blood, as of a dead man; and every living soul died, the things in the sea.

And the third poured out his bowl into the rivers and fountains of waters; and it became blood.

because they poured out the blood of saints and of prophets, and Thou hast given them blood to drink: they are worthy!"

And the name of the star is called Wormwood. And the third part of the waters became wormwood; and many of the men died in consequence of the waters, because they were made bitter.

My brethren, can a fig tree produce olives; or a vine, figs? Neither can salt water yield sweet.