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  2. Clean Water Act - Wikipedia

    en.wikipedia.org/wiki/Clean_Water_Act

    The Clean Water Act ( CWA) is the primary federal law in the United States governing water pollution. Its objective is to restore and maintain the chemical, physical, and biological integrity of the nation's waters; recognizing the responsibilities of the states in addressing pollution and providing assistance to states to do so, including ...

  3. Water fluoridation in the United States - Wikipedia

    en.wikipedia.org/wiki/Water_fluoridation_in_the...

    Fluoridation became an official policy of the U.S. Public Health Service by 1951, and by 1960 water fluoridation had become widely used in the U.S., reaching about 50 million people. [2] By 2006, 69.2% of the U.S. population on public water systems were receiving fluoridated water, amounting to 61.5% of the total U.S. population. [3]

  4. Water pollution in the United States - Wikipedia

    en.wikipedia.org/wiki/Water_pollution_in_the...

    Water pollution in the United States is a growing problem that became critical in the 19th century with the development of mechanized agriculture, mining, and industry, although laws and regulations introduced in the late 20th century have improved water quality in many water bodies. [ 1] Extensive industrialization and rapid urban growth ...

  5. Federal government of the United States - Wikipedia

    en.wikipedia.org/wiki/Federal_Government_of_the...

    The federal government of the United States ( U.S. federal government or U.S. government) [ a] is the national government of the United States, a federal republic located primarily in North America, composed of 50 states, five major self-governing territories, several island possessions, and the federal district /national capital of Washington ...

  6. Water scarcity in the United States - Wikipedia

    en.wikipedia.org/wiki/Water_scarcity_in_the...

    Ecological. Water scarcity poses a threat to ecosystems and biodiversity, primarily through its impact on aquatic habitats, rivers, wetlands, and lakes. [3] Decreased water flows and the drying of water bodies disrupt the delicate balance of ecosystems, affecting a range of species including fish, amphibians, and water-dependent plants ...

  7. Fracking in the United States - Wikipedia

    en.wikipedia.org/wiki/Fracking_in_the_United_States

    Fracking. Fracking in the United States began in 1949. [1] According to the Department of Energy (DOE), by 2013 at least two million oil and gas wells in the US had been hydraulically fractured, and that of new wells being drilled, up to 95% are hydraulically fractured. The output from these wells makes up 43% of the oil production and 67% of ...

  8. Drinking water quality legislation of the United States ...

    en.wikipedia.org/wiki/Drinking_water_quality...

    The Safe Drinking Water Act is the principal federal law governing public water systems. [1] These systems provide drinking water through pipes or other constructed conveyances to at least 15 service connections, or serve an average of at least 25 people for at least 60 days a year. As of 2017 there are over 151,000 public water systems.

  9. Water privatization in the United States - Wikipedia

    en.wikipedia.org/wiki/Water_privatization_in_the...

    Water privatization in the United States. In the latter half of the 19th century, private water systems began to be a part of municipal services. [1] As of 2011, over three quarters of US local governments surveyed by the ICMA ( International City/County Management Association) provide water distribution entirely with public employees.