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  2. 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 ...

  3. 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 ...

  4. 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 ...

  5. Sewage - Wikipedia

    en.wikipedia.org/wiki/Sewage

    Sewage (or domestic wastewater) consists of wastewater discharged from residences and from commercial, institutional and public facilities that exist in the locality. [2]: 10 Sewage is a mixture of water (from the community's water supply), human excreta (feces and urine), used water from bathrooms, food preparation wastes, laundry wastewater, and other waste products of normal living.

  6. Wastewater - Wikipedia

    en.wikipedia.org/wiki/Wastewater

    Wastewater (or waste water) is water generated after the use of freshwater, raw water, drinking water or saline water in a variety of deliberate applications or processes. [1]: 1 Another definition of wastewater is "Used water from any combination of domestic, industrial, commercial or agricultural activities, surface runoff / storm water, and any sewer inflow or sewer infiltration".

  7. Sewerage - Wikipedia

    en.wikipedia.org/wiki/Sewerage

    Sewerage (or sewage system) is the infrastructure that conveys sewage or surface runoff ( stormwater, meltwater, rainwater) using sewers. It encompasses components such as receiving drains, manholes, pumping stations, storm overflows, and screening chambers of the combined sewer or sanitary sewer. Sewerage ends at the entry to a sewage ...

  8. United States regulation of point source water pollution

    en.wikipedia.org/wiki/United_States_regulation...

    Water pollution is the contamination of natural water bodies by chemical, physical, radioactive or pathogenic microbial substances. [ 2] Point sources of water pollution are described by the CWA as "any discernible, confined, and discrete conveyance from which pollutants are or may be discharged." These include pipes or man-made ditches from ...

  9. What's really behind Florida's 'ban' on AP psychology?

    www.aol.com/news/really-behind-floridas-ban-ap...

    The specific portion of the AP course caught in the crosshairs of this law is unit 6.7, which discusses gender and sexuality and includes the definitions of gender, sexuality, gender roles and ...

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