When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Wastewater quality indicators - Wikipedia

    en.wikipedia.org/wiki/Wastewater_quality_indicators

    Wastewater quality indicators are laboratory test methodologies to assess suitability of wastewater for disposal, treatment or reuse. The main parameters in sewage that are measured to assess the sewage strength or quality as well as treatment options include: solids, indicators of organic matter, nitrogen, phosphorus, indicators of fecal ...

  3. 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.

  4. 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]

  5. Effluent guidelines - Wikipedia

    en.wikipedia.org/wiki/Effluent_guidelines

    The agency will study PFAS discharged to POTWs by various industries, including categories that have recently been examined. EPA intends to confirm the origins of PFAS wastewater and assist POTWs in determining whether source-level controls are necessary. The Concentrated Animal Feeding Operations Category (40 CFR part 412) will also be ...

  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. United States regulation of point source water pollution

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

    The goal of the pretreatment program is to protect municipal wastewater treatment plants from damage that may occur when hazardous, toxic, or other wastes are discharged into a sewer system, and to protect the quality of sludge generated by these plants. Discharges to a POTW are regulated either by the POTW itself, the state/tribe, or EPA. [40]

  8. 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]

  9. Sewage sludge - Wikipedia

    en.wikipedia.org/wiki/Sewage_sludge

    For example, primary sedimentation produces about 110–170 kg/ML of so-called primary sludge, with a value of 150 kg/ML regarded as being typical for municipal wastewater in the U.S. or Europe. [1] The sludge production is expressed as kg of dry solids produced per ML of wastewater treated; one mega litre (ML) is 10 3 m 3.