15 If he holds back the waters, there is drought; if he lets them loose, they devastate the land.

Read Job 12:15 Using Other Translations

Behold, he withholdeth the waters, and they dry up: also he sendeth them out, and they overturn the earth.
If he withholds the waters, they dry up; if he sends them out, they overwhelm the land.
If he holds back the rain, the earth becomes a desert. If he releases the waters, they flood the earth.