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  2. New York City water supply system - Wikipedia

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

    The Delaware Aqueduct, completed in 1945, taps tributaries of the Delaware River in the western Catskill Mountains and provides approximately half of New York City's water supply. [16] The latter two aqueducts provide 90% of New York City's drinking water, and the watershed for these aqueducts extends a combined 1 million acres (400,000 ha).

  3. Lead and Copper Rule - Wikipedia

    en.wikipedia.org/wiki/Lead_and_Copper_Rule

    EPA illustration of lead sources in residential buildings Infographic about lead in drinking water. The Lead and Copper Rule (LCR) is a United States federal regulation that limits the concentration of lead and copper allowed in public drinking water at the consumer's tap, as well as limiting the permissible amount of pipe corrosion occurring due to the water itself. [1]

  4. Cities must replace harmful lead pipes within 10 years under ...

    www.aol.com/news/biden-administration-proposes...

    Most U.S. cities would have to replace lead water pipes within 10 years under strict new rules proposed by the Environmental Protection Agency as the Biden administration moves to reduce lead in ...

  5. Drinking water quality in the United States - Wikipedia

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

    In 2016, more than 5,000 drinking water systems were found to be in violation of the lead and copper rule. [56] Congress passed the Reduction of Lead in Drinking Water Act in 2011. This amendment to the SDWA, effective in 2014, tightened the definition of "lead-free" plumbing fixtures and fittings. [57]

  6. New York City Department of Environmental Protection

    en.wikipedia.org/wiki/New_York_City_Department...

    NYCDEP manages three upstate supply systems to provide the city's drinking water: the Croton system, the Catskill system, and the Delaware system. The overall distribution system has a storage capacity of 550 billion US gallons (2.1 × 10 9 m 3) and provides over 1 billion US gallons (3,800,000 m 3) per day of water to more than eight million city residents and another one million users in ...

  7. Environmental issues in New York City - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues_in...

    All water entering New York City's distribution system is treated with chlorine, fluoride, food-grade phosphoric acid, and, in some cases, sodium hydroxide, to comply with the New York State Sanitary Code and federal Safe Drinking Water Act disinfection requirements. Fluoride, at a concentration of one part per million, is added to help prevent ...

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