Wastewater systems to treat effluent on the same property that produces the wastewater
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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. OSSFs account for approximately 25% of all domestic wastewater treatment in the US. Onsite sewage facilities may also be based on small-scale aerobic and biofilter units, membrane bioreactors or sequencing batch reactors. These can be thought of as scaled down versions of municipal sewage treatment plants, and are also known as "package plants."[1]
^Package Plants (Report). Wastewater Technology Fact Sheets. Washington D.C.: U.S. Environmental Protection Agency (EPA). September 2000. EPA 832-F-00-016.
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Onsitesewage facilities (OSSF), also called septic systems, are wastewater systems designed to treat and dispose of effluent on the same property that...
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