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  2. Ultrapure water - Wikipedia

    en.wikipedia.org/wiki/Ultrapure_water

    Ultrapure water (UPW), high-purity water or highly purified water (HPW) is water that has been purified to uncommonly stringent specifications. Ultrapure water is a term commonly used in manufacturing to emphasize the fact that the water is treated to the highest levels of purity for all contaminant types, including organic and inorganic compounds, dissolved and particulate matter, and ...

  3. Water Quality Association - Wikipedia

    en.wikipedia.org/wiki/Water_Quality_Association

    The Water Quality Association (WQA) is an Illinois-based trade association representing the residential, commercial, industrial, and small community water treatment industry in the United States. [ 1 ] [ 2 ] It has more than 2,500 members consisting of both manufacturers as well as dealers/distributors of equipment.

  4. Water quality - Wikipedia

    en.wikipedia.org/wiki/Water_quality

    The National Water Quality Inventory Report to Congress is a general report on water quality, providing overall information about the number of miles of streams and rivers and their aggregate condition. [65] The CWA requires states to adopt standards for each of the possible designated uses that they assign to their waters.

  5. Drinking water quality in the United States - Wikipedia

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

    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 year). [3] Enforcement of the standards is mostly carried out by state health agencies. [4]

  6. Category:Water quality indicators - Wikipedia

    en.wikipedia.org/wiki/Category:Water_quality...

    Pages in category "Water quality indicators" The following 54 pages are in this category, out of 54 total. This list may not reflect recent changes. * Water quality; A.

  7. Water quality law - Wikipedia

    en.wikipedia.org/wiki/Water_quality_law

    Water quality laws govern the protection of water resources for human health and the environment. Water quality laws are legal standards or requirements governing water quality, that is, the concentrations of water pollutants in some regulated volume of water. Such standards are generally expressed as levels of a specific water pollutants ...

  8. Water supply network - Wikipedia

    en.wikipedia.org/wiki/Water_supply_network

    A water supply network or water supply system is a system of engineered hydrologic and hydraulic components that provide water supply. A water supply system typically includes the following: A drainage basin (see water purification – sources of drinking water)

  9. 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.