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2. Decentralized wastewater system - Wikipedia

   en.wikipedia.org/.../Decentralized_wastewater_system

   A case study of a decentralized wastewater system at on-site level with treated effluent reuse was performed at the Botswana Technology Centre in Gaborone, Botswana. [22] It is an example of a decentralized wastewater system, which serves one institutional building, located in an area served by municipal sewerage.

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 is a fairly common type of on-site sewage facility in the Western world.

4. List of wastewater treatment technologies - Wikipedia

   en.wikipedia.org/wiki/List_of_wastewater...

   "Wastewater Technology Fact Sheets". Washington, D.C.: U.S. Environmental Protection Agency (EPA). 25 June 2015. Primer for Municipal Wastewater Treatment Systems (Report). EPA. 2004. EPA 832-R-04-001. Industrial Wastewater Treatment Technology Database EPA.

5. Constructed wetland - Wikipedia

   en.wikipedia.org/wiki/Constructed_wetland

   Constructed wetlands have been used in both centralized and decentralized wastewater systems. Primary treatment is recommended when there is a large amount of suspended solids or soluble organic matter (measured as biochemical oxygen demand and chemical oxygen demand ).

6. 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]

7. 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]