Portal:Wastewater

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Introduction

Greywater (a type of wastewater) in a settling tank

Wastewater (or waste water) is any water that has been affected by human use. Wastewater is "used water from any combination of domestic, industrial, commercial or agricultural activities, surface runoff or stormwater, and any sewer inflow or sewer infiltration". Therefore, wastewater is a byproduct of domestic, industrial, commercial or agricultural activities. The characteristics of wastewater vary depending on the source. Types of wastewater include: domestic wastewater from households, municipal wastewater from communities (also called sewage) or industrial wastewater from industrial activities. Wastewater can contain physical, chemical and biological pollutants.

Households may produce wastewater from flush toilets, sinks, dishwashers, washing machines, bath tubs, and showers. Households that use dry toilets produce less wastewater than those that use flush toilets.

Selected general articles

Did you know...

  • ... that a 1909 report deemed that the discharge of sewage into Zerbe Run did not pose a threat to public health?
  • ... that the Eurasian bittern may visit reedbeds, rice fields, watercress beds, fish farms, gravel pits, sewage works, ditches, flooded areas and marshes?
  • ... that Stanwood, Washington, was formed by the consolidation of two rival towns in order to fund a modern sewage treatment system?
  • ... that sewage from Canon de los Laureles flows into the United States?
  • ... that the São Vicente Suspension Bridge, constructed 1911–1914, was one of the first suspension bridges in Brazil, and was originally conceived to carry a sewage pipeline?

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