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Publicly owned treatment works (POTWs) collect wastewater from homes,
commercial buildings, and industrial facilities and transport it via a series of pipes,
known as a collection system, to the treatment plant. Here, the POTW removes harmful
organisms and other contaminants from the sewage so it can be discharged safely to
receiving waters. Generally, POTWs are designed to treat domestic sewage only. However,
POTWs also receive wastewater from industrial (non-domestic) users. The Pretreatment
regulations establish responsibilities of federal, State and local government, industry
and the public to implement Pretreatment standards to control pollutants from the
industrial users which may pass through or interfere with POTW treatment processes
or which may contaminate sewage sludge. The Water Boards ensure that POTWs and industrial
users comply with federal Pretreatment regulations.
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Streamlining Rule – On September 27, 2005 USEPA signed final changes
to its General Pretreatment Regulations. These changes were published in the
Federal Register on October 14, 2005.
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California’s Perspective on Pretreatment - State Water Board presentation
at the 2006 California Water Environment Association, Pretreatment, Pollution Prevention,
and Stormwater Conference.
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