What is water that is safe for humans to drink?

Select one:
a. Stream water
b. Potable water
c. Filtered water
d. Fresh water

I think it is b. or c. Please help?

5 answers

did you look up the definition of potable?
In my lesson it says it means safe to drink. But isn't filtered water also safe?
Never mind, I got it now. Thanks anyway!
Filtering takes out the big stuff but microbes go through filters easily.
Thanks Dr. Bob