noun
- the quality or state of being safe to drink
Usage: formal
Examples
- The laboratory tested the potableness of the well water.
- Health officials questioned the potableness of the city’s water supply.
- The potableness of rainwater depends on how it’s collected and stored.
- Engineers must ensure the potableness of water in the new treatment facility.
- The potableness of the stream was compromised by upstream pollution.