Learn the Issues
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NPDES Stormwater Pollution Additional Documents
Additional documents related to stormwater and runoff pollution.
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Previous Versions of EPA's MSGP documents
Documents related to Multi-Sector General Permits prior to 2015.
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NPDES CSO Reports to Congress
Listing of Reports to Congress filed by EPA in regards to Combined Sewer Overflows
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NPDES AFOs Policy Documents
AFOs policy documents that include a national strategy, regulatory definitions, and policy statements.
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National Pretreatment Program Industrial User
Various memos on categorical pretreatment standards.
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NPDES Pretreatment Local Limits Additional Information
Documents related to guidance of pretreatment programs with local limits.
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NPDES CSO Policy Memos
EPA released the following policy memoranda that clarify aspects of the combined sewer overflow (CSO) program and address implementation issues.
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How to Access the 2012 CGP eNOI System Documents
Instructional documents for the accessing the 2012 CGP electronic Notice of Intent (eNOI) system.
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National Pretreatment Program Approval Authority Documents
EPA provides the following guidance for approval authorities to use in reviewing, approving, and assessing POTW pretreatment programs.
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NPDES WET Test Method Video Fact Sheets
EPA developed these DVDs as an important training tool for regional and state NPDES permit writers and laboratories to use as part of their program implementation.
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NPDES CSO Training Flyers
These flyers were released as advertisement for previously held webinars. Each provides the following information: webinar title, date and time, list of speakers, and a brief description.
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Central Tenets of the NPDES Permitting Program
Central tenets of the National Pollutant Discharge Elimination System (NPDES) permitting program.
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National Pretreatment Program Control Authority
To assist the control authority in developing and implementing its pretreatment programs, EPA provides the following guidance.
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2012 Good Samaritan Memorandum
Documents related to the good samaritan initiative to restore watersheds and fisheries.
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NPDES Watershed-Based Permitting Guidance
Documents with additional guidance for NPDES Watershed-Based Permitting.
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NPDES Pretreatment Program-Amendments to the General Pretreatment Regulations
Documents related to NPDES pretreatment program - Amendments to the General Pretreatment Regulations.
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NPDES PGP eNOI Tutorials
EPA has developed tutorials to walk you through the process of submitting NOIs, NOTs and Annual Reports.
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NPDES Integrated Planning Documents
Integrated municipal stormwater and wastewater planning documents
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Construction Rainfall Erosivity Waiver Fact Sheet
Fact sheet for determining construction rainfall erosivity waiver requirements.
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National Pretreatment Program Hauled Waste Resources
These resources address identifying hauled waste received at POTWs, implementing hauled waste control programs, and assessing POTW hauled waste programs.