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National Pollutant Discharge Elimination System (NPDES) |  |
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Pretreatment ProgramOVERVIEW 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 into the receiving stream. Generally, POTWs are designed to treat domestic sewage only. However, POTWs also receive wastewater from industrial (non-domestic) users. The General 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. EPA Model Pretreatment Ordinance - This document provides guidance on municipal ordinances to implement and enforce a pretreatment program consistent with the Clean Water Act requirements. This document supercedes the June 1992 document of the same name. Final Pretreatment Streamlining Rule (PDF) (66 pp, 408K) - On September 27, 2005, EPA signed and on October 14, 2005 published in the Federal Register final changes to its General Pretreatment Regulations. (Note: Unless otherwise noted, the documents accessible through this Pretreatment page have not been updated to reflect new or revised rules after the date of publication of the document.)
Copy of Pretreatment Regulations incorporating changes made by the final Pretreatment Streamlining Rule (PDF) (64 pp, 398K)
WHAT CAN I FIND ON THIS WEB SITE? Click on the following links to obtain additional information related to the pretreatment program:
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