Water purity refers to the level of cleanliness and lack of impurities in water. It means that the water doesn't contain any harmful substances, pollutants, or contaminants that can make it unsafe or unhealthy to consume or use. Full definition
One science teacher had students work with the local water board to sample water purity in a nearby stream. (educationworld.com)
-- Councils seeking engineering assistance to develop clear choices and optimum solutions incorporating advanced low - maintenance technologies providing high levels of water purity while reducing maintenance, waste handling and OH&S issues associated with running them. (cstwastewater.com)
The packages incorporate advanced low - maintenance technologies, which provide high levels of water purity while reducing maintenance, waste handling and OH&S issues associated with running them. (cstwastewater.com)