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  2. Septic tank - Wikipedia

    en.wikipedia.org/wiki/Septic_tank

    A septic tank consists of one or more concrete or plastic tanks of between 4,500 and 7,500 litres (1,000 and 2,000 gallons); one end is connected to an inlet wastewater pipe and the other to a septic drain field. Generally these pipe connections are made with a T pipe, allowing liquid to enter and exit without disturbing any crust on the surface.

  3. Sanitary sewer - Wikipedia

    en.wikipedia.org/wiki/Sanitary_sewer

    A sanitary sewer is an underground pipe or tunnel system for transporting sewage from houses and commercial buildings (but not stormwater) to a sewage treatment plant or disposal. Sanitary sewers are a type of gravity sewer and are part of an overall system called a "sewage system" or sewerage. Sanitary sewers serving industrial areas may also ...

  4. Effluent sewer - Wikipedia

    en.wikipedia.org/wiki/Effluent_sewer

    Effluent sewer. Schematic of a solids free sewer: Small-diameter pipes transport wastewater which has been pre-treated in an interceptor tank, often erroneously referred to as a septic tank, or similar vessel. [1] Effluent sewer systems, also called septic tank effluent gravity (STEG), solids-free sewer (SFS), or septic tank effluent drainage ...

  5. Septic drain field - Wikipedia

    en.wikipedia.org/wiki/Septic_drain_field

    Septic drain fields, also called leach fields or leach drains, are subsurface wastewater disposal facilities used to remove contaminants and impurities from the liquid that emerges after anaerobic digestion in a septic tank. Organic materials in the liquid are catabolized by a microbial ecosystem. A septic drain field, a septic tank, and ...

  6. Combined sewer - Wikipedia

    en.wikipedia.org/wiki/Combined_sewer

    Retention treatment basins or large concrete tanks that store and treat combined sewage are another solution. These underground structures can range in storage and treatment capacity from 2 million US gallons (7,600 m 3) to 120 million US gallons (450,000 m 3) of combined sewage. While each facility is unique, a typical facility operation is as ...

  7. Storage tank - Wikipedia

    en.wikipedia.org/wiki/Storage_tank

    A septic tank is part of a small-scale sewage treatment system often referred to as a septic system. Septic systems are commonly used to treat wastewater from homes and small businesses in rural and suburban areas. [9] It consists of the tank and a septic drain field. Waste water enters the tank where solids can settle and scum floats.