drinkable

[ dring-kuh-buh l ]

/ ˈdrɪŋ kə bəl /

suitable for drinking.

Origin of drinkable

First recorded in 1605–15; drink + -able

drink·a·bil·i·ty, drink·a·ble·ness, noun drink·a·bly, adverb non·drink·a·ble, adjective un·drink·a·ble, adjective

Earlier this month, Toledo, Ohio, watched its municipal water supply descend into an undrinkable stew of algal toxins.

Are Water Filters B.S.? |Michael Schulson |August 19, 2014 |DAILY BEAST
Methylated spirit only differs from the alcohol in alcoholic beverages in that something is added to make it undrinkable.

Marvels of Scientific Invention |Thomas W. Corbin
But he answered, “I certainly will not drink that undrinkable compound, whatever may happen.”

The Kath Sarit Sgara |Somadeva Bhatta
That in the bath of the Hammam es-Shefa is a spring of undrinkable water.

Jerusalem Explored, Volume I--Text |Ermete Pierotti

In one or two of them some little water may be found even now, but it is undrinkable owing to its salty taste and nasty smell.

rminius Vambry, his life and adventures |rminius Vambry
I think it was the very worst water we ever had, all but undrinkable, in fact.

With Our Army in Palestine |Antony Bluett

undrinkable

/ (ʌnˈdrɪŋkəbəl) /

not pleasant or safe enough to be drunk