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  2. Septic tank - Wikipedia

    en.wikipedia.org/wiki/Septic_tank

    A septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater flows for basic sewage treatment. [2] Settling and anaerobic digestion processes reduce solids and organics, but the treatment efficiency is only moderate (referred to as "primary treatment"). [2]

  3. Effluent sewer - Wikipedia

    en.wikipedia.org/wiki/Effluent_sewer

    An effluent sewer that uses gravity may be called a septic tank effluent gravity (STEG) system, while a pumping system may be called a septic tank effluent pumping (STEP) system. It is also possible to have a hybrid system that uses gravity and pumping. Gravity and pumping effluent sewer systems both have advantages and disadvantages.

  4. Onsite sewage facility - Wikipedia

    en.wikipedia.org/wiki/Onsite_sewage_facility

    Most onsite wastewater treatment systems are of the conventional type, consisting of a septic tank and a subsurface wastewater infiltration system (SWIS). Site limitations and more stringent performance requirements have led to significant improvements in the design of wastewater treatment systems and how they are managed.

  5. Sanitary manhole - Wikipedia

    en.wikipedia.org/wiki/Sanitary_manhole

    A sanitary manhole (sewer manhole, [1] sanitary sewer manhole [2] or sewer maintenance hole [3]) is a manhole that is used as an access point for maintenance and inspection of an underground sanitary sewer system. Sanitary manholes are sometimes used as vents to prevent the buildup of pressurized sewage gas. [4]

  6. Sewerage - Wikipedia

    en.wikipedia.org/wiki/Sewerage

    This has resulted in large percentages of the population being connected. For example, the Netherlands have 99% of the population connected to the system, and 1% has an individual sewage disposal system or treatment system, e.g., septic tank. Others have slightly lower (although still substantial) percentages; e.g., 96% for Germany.

  7. 20% of Vero Beach barrier-island septic tanks fail ... - AOL

    www.aol.com/news/20-vero-beach-barrier-island...

    Vero Beach requires inspection, pumping of septic tanks every five years, but may reduce that mandate to every three years. 20% of Vero Beach barrier-island septic tanks fail inspections; many ...

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