Not drinkable. We found out too late that the water was nonpotable.

Is it potable or potable water?

Potable water, also known as drinking water, comes from surface and ground sources and is treated to levels that that meet state and federal standards for consumption. Water from natural sources is treated for microorganisms, bacteria, toxic chemicals, viruses and fecal matter.

What does Nonpotable mean?

Like water in creeks, lakes, and reservoirs used for recreation, lake water for irrigation is non-potable, meaning it is not suitable for drinking. ... Non-potable water is not chemically treated.