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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. Onsite sewage facility - Wikipedia

    en.wikipedia.org/wiki/Onsite_sewage_facility

    Onsite sewage facilities (OSSF), also called septic systems, are wastewater systems designed to treat and dispose of effluent on the same property that produces the wastewater, in areas not served by public sewage infrastructure. A septic tank and drainfield combination

  4. Water supply and sanitation in the Philippines - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    In 2005, only 5% of the total population was connected to a sewer network. The vast majority used flush toilets connected to septic tanks. Since sludge treatment and disposal facilities were rare, most effluents were discharged without treatment. [26] Within the entire country, septic tanks are the most common method of sewage treatment. In ...

  5. Effluent sewer - Wikipedia

    en.wikipedia.org/wiki/Effluent_sewer

    Effluent sewer systems, also called septic tank effluent gravity (STEG), solids-free sewer (SFS), or septic tank effluent drainage (STED) systems, have septic tanks that collect sewage from residences and businesses, and the liquid fraction of sewage that comes out of the tank is conveyed to a downstream receiving body such as either a ...

  6. Sewage treatment - Wikipedia

    en.wikipedia.org/wiki/Sewage_treatment

    These systems include septic tanks connected to drain fields, on-site sewage systems (OSS), vermifilter systems and many more. On the other hand, advanced and relatively expensive sewage treatment plants may include tertiary treatment with disinfection and possibly even a fourth treatment stage to remove micropollutants.

  7. Maynilad Water Services - Wikipedia

    en.wikipedia.org/wiki/Maynilad_Water_Services

    Maynilad Water Services, Inc., better known as Maynilad, is the water and wastewater services provider of cities and municipalities that form the West Zone of the Greater Manila Area in the Philippines. It is an agent and contractor of the Metropolitan Waterworks and Sewerage System (MWSS). [1]

  8. Good Building Design and Construction in the Philippines

    en.wikipedia.org/wiki/Good_Building_Design_and...

    The Good Building Design and Construction in the Philippines is a handbook developed in cooperation with the German Technical Cooperation (GTZ), UNDP Regional Center in Bangkok, and the Secretariat of the United Nations International Strategy for Disaster Reduction.

  9. Septic drain field - Wikipedia

    en.wikipedia.org/wiki/Septic_drain_field

    A septic drain field, a septic tank, and associated piping compose a septic system. The drain field typically consists of an arrangement of trenches containing perforated pipes and porous material (often gravel ) covered by a layer of soil to prevent animals (and surface runoff ) from reaching the wastewater distributed within those trenches. [ 1 ]

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