Does ounces in the lake/ounces used per yr give me the number of yrs it takes to empty the lake?

Question

Ounces of water in the lake/ounces of water used per yr

Answer 1

It would if there were no additions or other deletions from the lake. Water evaporates, rain falls in the lake, streams run into & out of the lake.

Answer 2

There is not enough information.

Water will also be coming into the lake through rainfall, runoff, springs, tributaries, etc.

Water will also be lost through evaporation, outflow streams, and other non-human uses.

Answer 3

yep