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2. Water filter - Wikipedia

   en.wikipedia.org/wiki/Water_filter

   A water filter removes impurities by lowering contamination of water using a fine physical barrier, a chemical process, or a biological process. Filters cleanse water to different extents, for purposes such as: providing agricultural irrigation, accessible drinking water, public and private aquariums, and the safe use of ponds and swimming pools .

3. History of water filters - Wikipedia

   en.wikipedia.org/wiki/History_of_water_filters

   Automatic pressure filters, where the water is forced under pressure through the filtration system, were innovated in 1899 in England. [9] Limited drinking water standards were first implemented in the US in 1914, but it would not be until the 1940s that federal drinking water standards were widely applied.

4. Reverse osmosis - Wikipedia

   en.wikipedia.org/wiki/Reverse_osmosis

   Reverse osmosis ( RO) is a water purification process that uses a semi-permeable membrane to separate water molecules from other substances. RO applies pressure to overcome osmotic pressure that favors even distributions. RO can remove dissolved or suspended chemical species as well as biological substances (principally bacteria ), and is used ...

5. Water purification - Wikipedia

   en.wikipedia.org/wiki/Water_purification

   Water purification. Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water that is fit for specific purposes. Most water is purified and disinfected for human consumption ( drinking water ), but water purification may also be carried out ...

6. 30 more drinking water systems in RI may need to filter out ...

   www.aol.com/30-more-drinking-water-systems...

   April 12, 2024 at 5:17 AM. PROVIDENCE – About 30 additional public drinking water systems in Rhode Island may need to install systems to filter out so-called “ forever chemicals ” that have ...

7. New York City water supply system - Wikipedia

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

   The Croton Water Filtration Plant was built to address constant turbidity problems that are specific to the Croton water supply system. The plant was completed in 2015 at a cost of over $3 billion. The facility was constructed 160 feet (49 m) under Van Cortlandt Park in the Bronx and filters water delivered by the New Croton Aqueduct.