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2. Water treatment - Wikipedia

   en.wikipedia.org/wiki/Water_treatment

   Dalecarlia Water Treatment Plant, Washington, D.C. Water treatment is any process that improves the quality of water to make it appropriate for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the environment.

3. History of water supply and sanitation - Wikipedia

   en.wikipedia.org/wiki/History_of_water_supply...

   In Nepal the construction of water conduits like drinking fountains and wells is considered a pious act. [40] [41] A drinking water supply system was developed starting at least as early as 550 AD. [42] This dhunge dhara or hiti system consists of carved stone fountains through which water flows uninterrupted from underground sources. These are ...

4. Reverse osmosis - Wikipedia

   en.wikipedia.org/wiki/Reverse_osmosis

   The water is distilled multiple times to ensure that it does not leave deposits on the machinery or cause corrosion. RO is used to clean effluent and brackish groundwater. The effluent in larger volumes (more than 500 m 3 /day) is treated in a water treatment plant first, and then the effluent runs through RO. This hybrid process reduces ...

5. Which drinking water is healthiest? The pros and cons of tap ...

   www.aol.com/lifestyle/drinking-water-healthiest...

   While some bottled water is from a spring or filtration system, research shows that nearly 65% of bottled water sold in the U.S. comes from municipal tap water. But Rumpler says there can be ...

6. Drinking water quality in the United States - Wikipedia

   en.wikipedia.org/wiki/Drinking_water_quality_in...

   Eight percent of the community water systems—large municipal water systems—provide water to 82 percent of the US population. [2] The Safe Drinking Water Act requires the US EPA to set standards for drinking water quality in public water systems (entities that provide water for human consumption to at least 25 people for at least 60 days a ...

7. New York City water supply system - Wikipedia

   en.wikipedia.org/wiki/New_York_City_water_supply...

   It includes three bureaus in charge of, respectively, the upstate water supply system, New York City's water and sewer operations, and wastewater treatment: The Bureau of Water Supply manages, operates, and protects New York City's upstate water supply system to ensure the delivery of a sufficient quantity of high quality drinking water. The ...