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  2. Guam Environmental Protection Agency - Wikipedia

    en.wikipedia.org/wiki/Guam_Environmental...

    Chapter 52 – Water and Wastewater Operator’s Mandatory Certification Act Requires any personnel of public or private potable water supply systems or waste water facilities to be certified. The certification is meant to ensure the operators are competent to supervise the operation of such systems.

  3. Sanitary engineering - Wikipedia

    en.wikipedia.org/wiki/Sanitary_engineering

    An example of a wastewater treatment system. Sanitary engineering, also known as public health engineering or wastewater engineering, is the application of engineering methods to improve sanitation of human communities, primarily by providing the removal and disposal of human waste, and in addition to the supply of safe potable water.

  4. Rotating biological contactor - Wikipedia

    en.wikipedia.org/wiki/Rotating_biological_contactor

    The RBC process allows the wastewater to come in contact with a biological film in order to remove pollutants in the wastewater before discharge of the treated wastewater to the environment, usually a body of water (river, lake or ocean). A rotating biological contactor is a type of secondary (biological) treatment process.

  5. Wastewater treatment - Wikipedia

    en.wikipedia.org/wiki/Wastewater_treatment

    Sewage treatment (or domestic wastewater treatment, municipal wastewater treatment) is a type of wastewater treatment which aims to remove contaminants from sewage to produce an effluent that is suitable to discharge to the surrounding environment or an intended reuse application, thereby preventing water pollution from raw sewage discharges. [5]

  6. Professional licensure in the United States - Wikipedia

    en.wikipedia.org/wiki/Professional_licensure_in...

    Licensing standards can differ widely from state to state, and the fields and occupations which states require to be licensed may differ widely. Some states may require a written examination for a license, while others may require several years of field experience as a student or intern, or both.

  7. 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".

  8. Water industry - Wikipedia

    en.wikipedia.org/wiki/Water_industry

    local government outsources operations to private sector, i.e. private water operators; national government operations; private water operators owns the system BOTs - private sector building parts of a water system (such as a wastewater treatment plant) and operating it for an agreed period before transferring to public sector ownership and ...

  9. American Water Works Association - Wikipedia

    en.wikipedia.org/wiki/American_Water_Works...

    American Water Works Association (AWWA) is an international non-profit, scientific and educational association founded to improve water quality and supply.Established in 1881, it is a lobbying organization representing a membership (as of 2024) of around 50,000 members worldwide.

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