Tap water

Tap water is water supplied through a tap, a water dispenser valve. In many countries, tap water usually has the quality of drinking water. Tap water is commonly used for drinking, cooking, and washing.

Indoor tap water is distributed through indoor plumbing, which has been around since antiquity but was available to very few people until the second half of the 19th century when it began to spread in popularity in what are now developed countries.
Tap water became common in many regions during the 20th century, and is now lacking mainly among people in poverty, especially in developing countries.

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Source: Wikipedia · Image: Wikimedia Commons · Attribution

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