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Pretreatment Standards
National Summary
Pretreatment standards are derived from a variety of sources. The Clean Water Act (CWA) requires the U.S. Environmental Protection Agency (EPA) to promulgate pretreatment standards and requirements with the purpose of reducing the level of pollutants discharged by industry and other nondomestic wastewater sources into municipal storm sewer systems. The EPA has established general and specific prohibited discharge standards that are applicable to all nondomestic users and categorical general pretreatment regulations that require publicly owned treatment works (POTWs) to develop local limits when necessary to implement the prohibited discharge standards. Limits may be met by industrial sources through pollution prevention techniques (product substitution, recycling, and reuse of materials), best management practices, or treatment of the wastewater. States and POTWs have the option of establishing more stringent requirements.
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TypeTitleDateState
Questions & Answers Are there any prescribed national standards for pretreatment? 12/07/1999National
Notices Cross-Media Electronic Reporting: Authorized Program Revision Approval, City of Grand Rapids, Michigan 02/13/2014National
Checklists Fats, Oils, and Grease Management Plan Checklist  National
Questions & Answers Hi - can a lab or any other industry, not subject to categorical pretreatment standards, not exceeding discharge quantities requiring a state or local permit, not discharging hazardous wastes, not discharging any prohibited wastes as stipulated in state 08/06/2013National
Checklists POTW Pretreatment Checklists  National
Regulatory Analysis Pretreatment Standards  National
Guidance Documents Pretreatment Standards Applicability  National
Notices Proposed Information Collection Request; Modification of Secondary Treatment Requirements for Discharges Into Marine Waters 09/26/2013National
Questions & Answers What are categorical pretreatment standards? 12/07/1999National
Questions & Answers What are prohibited discharge standards? 12/07/1999National
Questions & Answers What are the new federal regulations pertaining to dental offices and their disposal and handling of amalgam waste? 07/10/2018National
Questions & Answers What are the typical ways that a state or locality might differ in the regulation of wastewater? 12/07/1999National
Questions & Answers What exactly is a total toxic organic (TTO) or solvent management plan, and when does it apply? 12/07/1999National
Questions & Answers What is the National Pretreatment Program? 12/07/1999National
Questions & Answers When were the federal regulations governing pretreatment program requirements first promulgated and where can I find them? 12/07/1999National