Raw water

Raw water is water taken from the environment, and is subsequently treated or purified to produce potable water in a water purification works. Raw water should not be considered safe for drinking or washing without further treatment.^{[citation needed]}

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In Eastern Europe, the term "raw" water is also used when making tea and describes water that has not been boiled. Tradition forbids brewing tea with "raw" water as well as adding such water to already brewed tea. Instead, the water must first be boiled and then left to cool to the required or desired temperature.^{[citation needed]}