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  2. United States regulation of point source water pollution

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

    Technology based effluent limits establish a minimum level of pollution controls for all point source discharges. If technology based limits are not sufficient to protect a particular water body, then water quality based effluent limits are developed for facilities discharging to that water body. [18]: 1–3 Permits

  3. Sewage regulation and administration - Wikipedia

    en.wikipedia.org/wiki/Sewage_regulation_and...

    Sewage treatment systems in the United States are subject to the Clean Water Act (CWA) and are regulated by federal and state environmental agencies. In most states, local sewage plants receive discharge permits from state agencies; in the remaining states and territories, permits are issued by the United States Environmental Protection Agency ...

  4. Sewage treatment - Wikipedia

    en.wikipedia.org/wiki/Sewage_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. [2]

  5. Sanitary sewer - Wikipedia

    en.wikipedia.org/wiki/Sanitary_sewer

    Where it is impossible or impractical to discharge sewage from a property into a gravity sanitary sewer, a pressure sewer may provide an alternative means of connection. A macerator pump in a pumping well close to the property ejects sewage through a small diameter high pressure pipe into the nearest gravity sewer. [9]

  6. Regulation of ship pollution in the United States - Wikipedia

    en.wikipedia.org/wiki/Regulation_of_ship...

    Section 311 of the Clean Water Act, as amended by the Oil Pollution Act of 1990, [18] applies to ships and prohibits discharge of oil or hazardous substances in harmful quantities into or upon U.S. navigable waters, or into or upon the waters of the contiguous zone, or which may affect natural resources in the U.S. EEZ (extending 200 miles (320 ...

  7. Grinder pump - Wikipedia

    en.wikipedia.org/wiki/Grinder_pump

    A pump for household use is usually 1 hp, 1.5 hp or 2 hp. A cutting mechanism macerates waste and grinds items that are not normally found in sewage, but may get flushed down the toilet. The pump has a level sensor either built into the pump, called “sensing bells,” or attached externally to the pump, typically a float switch. (The level ...

  8. Effluent - Wikipedia

    en.wikipedia.org/wiki/Effluent

    Effluent in the artificial sense is in general considered to be water pollution, such as the outflow from a sewage treatment facility or an industrial wastewater discharge. An effluent sump pump , for instance, pumps waste from toilets installed below a main sewage line.

  9. 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".

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