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NPDES Permit Program Basics
Publications

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  • NPDES Form 2B Application
    Revised application for permit to discharge wastewater from concentrated animal feeding operations (CAFOs) and aquatic animal production facilities. Note: You need Adobe Acrobat Reader 7.0 or 8.0 in order to open this file. Even though this publication is a PDF file, this document allows you to type directly onto the form and allows you to save the PDF with the form fields populated. You should enter your facility information on the form, print it, sign it, and mail the form to the address stated in the instructions.
    Document Type: Permit Applications and Forms
    Date Published: 07/13/2009
  • NPDES Permit Writers' Training Course PowerPoint Slides
    Composed of PowerPoint slides that describe the NPDES Permit Writers' Course Modules. This document and other supplemental materials are provided to all NPDES Permit Writers' Course participants.
    Document Type: Factsheets and Outreach Materials
    Date Published: 03/05/2008
  • Backlog Permit Status Report for Majors - September 2007
    The backlog status report provides: (1) The actual backlog calculated for a determination whether the State/Territory is on track to meet the 2004 goal; (2) The backlog goal for the month evaluated; and (3) The actual backlog for the month evaluated. The permit deficit which is the cumulative number of permits the State/Territory should have issued (September 2007) to be on track to meet the 2004 goal.
    Document Type: Program Status Reports
    Date Published: 09/01/2007
  • Backlog Permit Status Report for Minors (Individual Permits Only) - September 2007
    The backlog status report provides: (1) The actual backlog calculated for a determination whether the State/Territory is on track to meet the 2004 goal; (2) The backlog goal for the month evaluated; and (3) The actual backlog for the month evaluated. The permit deficit which is the cumulative number of permits the State/Territory should have issued (September 2007) to be on track to meet the 2004 goal.
    Document Type: Program Status Reports
    Date Published: 09/01/2007
  • Backlog Permit Status Report for Majors and Minors (Includes Facilities Covered by Individual Permits and Non-Stormwater General Permits - September 2007
    The backlog status report provides: (1) The actual backlog calculated for a determination whether the State/Territory is on track to meet the 2004 goal; (2) The backlog goal for the month evaluated; and (3) The actual backlog for the month evaluated. The permit deficit which is the cumulative number of permits the State/Territory should have issued (September 2007) to be on track to meet the 2004 goal.
    Document Type: Program Status Reports
    Date Published: 09/01/2007
  • Analytical Methods for Mercury in National Pollutant Discharge Elimination System (NPDES) Permits
    This memo describes when a method for mercury is “sufficiently sensitive” for purposes of permit applications and monitoring under a permit. The memo also provides information on EPA’s March 12, 2007, approval of Method 245.7 for measurement of mercury and modified versions of approved analytical methods for mercury as well as the impact of their approval on the NPDES permitting process.
    Document Type: Policy and Guidance Documents
    Date Published: 08/23/2007
  • Water Quality Trading Toolkit for Permit Writers
    EPA’s first "how-to" manual on designing and implementing water quality trading programs. The Toolkit helps NPDES permitting authorities incorporate trading provisions into permits. It will help improve the quality and consistency of all trading programs across the nation. Visit EPA's Water Quality Trading web site for more information.
    Document Type: Policy and Guidance Documents
    Date Published: 08/07/2007
  • Watershed-Based National Pollutant Discharge Elimination System (NPDES) Permitting Technical Guidance
    This technical guidance is a follow up to the 2003 Watershed-based National Pollutant Discharge Elimination System (NPDES) Permitting Implementation Guidance and provides greater detail concerning a number of permit development and issuance questions not addressed previously. This document is focused on helping NPDES authorities develop and issue NPDES permits that fit into an overall watershed planning and management approach with input from watershed stakeholders.

    EPA is encouraging stakeholders to use this technical guidance and other tools available as a framework to move watershed-based permitting from the concept to implementation stage. EPA is seeking comments and feedback on the technical guidance as permitting authorities and other stakeholders use it. Please send all comments to EPA's Watershed Permitting Team.
    Document Type: Policy and Guidance Documents
    Date Published: 07/20/2007

  • Memorandum: Compliance Schedules for Water Quality-Based Effluent Limitations in NPDES Permits
    Memo from Jim Hanlon, discussing compliance schedules for water quality-based effluent limitations in NPDES permits.
    Document Type: Policy and Guidance Documents
    Date Published: 05/10/2007
  • Memorandum from Mary A Gade, EPA Region 5 Administrator Regarding Surface Discharging Private Sewage Disposal Systems and the National Pollutant Discharge Elimination System (NPDES)
    Response to a letter requesting EPA's opinion as to whether definitions set forth in an Illinois State Bill were consistent with the requirements of the Clean Water Act. The memo provides comments on the proposed legislation in three areas: (1) with regard to whether it might impact the state's NPDES jurisdiction, (2) the ambiguity of Section 4(d) of the legislation, and (3) the requirements of filing a Notice of Intent with the Illinois Department of Public Health.
    Document Type: Policy and Guidance Documents
    Date Published: 10/04/2006
  • Agency Interpretation on Applicability of Section 402 of the Clean Water Act to Water Transfers
    This memo addresses the question of whether the NPDES permitting program under Section 402 of the Clean Water Act is applicable to water control facilities that merely convey or connect navigable waters. It states that Congress generally intended for water transfers to be subject to oversight by water resource management agencies and State non-NPDES authorities, rather than the NPDES permitting program. This memo also states that the Agency will initiate a rulemaking to this effect; the Water Transfer Final Rule codifies this memorandum and clarifies that NPDES permits are not needed for water transfers.
    Document Type: Policy and Guidance Documents
    Date Published: 08/05/2005
  • Draft National Whole Effluent Toxicity (WET) Implementation Guidance Under the NPDES Program
    This draft has been released for public review and comments. This draft document gathers together previous EPA guidance, policy, and other information and organizes it in one comprehensive document. The document also addresses a number of important issues that have been raised by states, regulated industry, and interested stakeholders on the implementation of whole effluent toxicity (WET) limits in NPDES permits. Interested parties may submit comments on the draft guidance until March 31, 2005. (The February 28, 2005 public comment period has been extended to March 31, 2005.)
    Document Type: Policy and Guidance Documents
    Date Published: 12/28/2004
  • Memorandum from James A. Hanlon: Implementing the Partial Remand of the Stormwater Phase II Regulations Regarding Notices of Intent & NPDES General Permitting for Phase II MS4s
    This memo provides interim guidance on implementing the Stormwater Phase II program for Municipal Separate Storm Sewer Systems (MS4s) in light of the recent decision by the U.S. Court of Appeals for the Ninth Circuit (Environmental Defense Center, et. al. v. EPA, September 15, 2003). The guidance covers several issues related to the implementation of the MS4 program, including public availability of NOIs, opportunities for public hearings, and review of NOIs by permitting authorities.
    Document Type: Policy and Guidance Documents
    Date Published: 04/16/2004
  • Memorandum from James A. Hanlon: Permit Issuance and Priority Permits
    Memo discusses procedures for identifying environmentally significant priority permits and asks regions and states to incorporate these procedures in their annual planning processes.
    Document Type: Policy and Guidance Documents
    Date Published: 03/05/2004
  • Memorandum: Annual Permit Limits for Nitrogen and Phosphorus for Permits Designed to Protect Chesapeake Bay and its tidal tributaries from Excess Nutrient Loading under the National Pollutant Discharge Elimination System.
    For the protection of Chesapeake Bay and its tidal tributaries from excess nutrient loading, this memorandum states that NPDES permit effluent limits for nitrogen and phosphorus should be expressed as an annual limit in lieu of daily maximum, weekly average, or monthly average effluent limitations. This memo describes the scientific and policy rationales that support why permit limits expressed as an annual limit are appropriate.
    Document Type: Policy and Guidance Documents
    Date Published: 03/03/2004
  • Primer for Municipal Wastewater Treatment Systems
    Document that describes all the programs in the Office of Wastewater Management (EPA 832-R-04-001).
    Document Type: Factsheets and Outreach Materials
    Date Published: 02/01/2004
  • Watershed-Based NPDES Permitting Case Studies
    To promote the innovative watershed-based permitting approach, EPA has generated a case study fact sheet series that presents an overview of watershed-based permitting efforts. Note: EPA regularly updates these fact sheets to reflect the most current progress and results in watershed-based permitting.
    Document Type: Case Studies
    Date Published: 12/17/2003
  • Watershed-Based National Pollutant Discharge Elimination System (NPDES) Permitting Implementation Guidance
    Describes EPA's recommended steps and ideas for watershed-based permitting implementation under the National Pollutant Discharge Elimination System (NPDES) permit program. This approach, aimed at achieving new efficiencies and environmental results, provides a process for considering all stressors within a hydrologically defined drainage basin or other geographic area, rather than addressing individual pollutant sources on a discharge-by-discharge basis (EPA 833-B-03-004).
    Document Type: Policy and Guidance Documents
    Date Published: 12/17/2003
  • Clarification of Technology-based Sediment Toxicity and Biodegradation Limitations and Standards for Controlling Synthetic-based Drilling Fluid Discharges
    Guidance to assist NPDES permit writing for offshore oil and gas extraction activities, reviewing requests for variances of effluent limitations guidelines promulgated in 40 CFR 435, and in determining significant digits in the permits.
    Document Type: Policy and Guidance Documents
    Date Published: 10/10/2003
  • Memorandum from G. Tracy Mehan: Implementing the Permitting for Environmental Results Strategy
    Memo discusses the program integrity component of the Strategy.
    Document Type: Policy and Guidance Documents
    Date Published: 10/09/2003
  • NPDES Permitting for Environmental Results Strategy
    Presents a coordinated and integrated management system that when fully implemented will produce a nation-wide NPDES program that is more efficient and focuses on environmental results. This Strategy is an important element in an overall plan to meet the watershed restoration goals established in EPA's Strategic Plan.
    Document Type: Policy and Guidance Documents
    Date Published: 08/15/2003
  • Watershed-Based NPDES Permitting: Rethinking Permitting As Usual
    Brochure defines watershed-based NPDES permitting, including potential approaches and benefits. Also provides examples of watershed-based permitting happening around the country and EPA's efforts to promote this approach.
    Document Type: Factsheets and Outreach Materials
    Date Published: 05/01/2003
  • Homeowner's Guide to Septic Systems
    Booklet that describes how a septic system works and what homeowners can do to help their systems treat wastewater effectively (EPA 832-B-02-005).
    Document Type: Factsheets and Outreach Materials
    Date Published: 02/01/2003
  • Homeowner Septic System Checklist
    Worksheet that allows homeowners to keep track of septic system inspections and maintenance. This checklist is included in the booklet below or may be used separately (EPA 832-F-03-006).
    Document Type: Factsheets and Outreach Materials
    Date Published: 02/01/2003
  • Homeowner's Guide to Septic Systems - Short Version
    Short brochure that describes how a septic system works and what homeowners can do to help their system treat wastewater effectively (EPA 832-B-02-006).
    Document Type: Factsheets and Outreach Materials
    Date Published: 02/01/2003
  • Funding Decentralized Wastewater Systems Using the Clean Water State Revolving Fund
    Fact sheet that describes options for the use of the Clean Water State Revolving Fund to finance installation, repair and upgrading of septic systems (EPA 832-F-03-003).
    Document Type: Factsheets and Outreach Materials
    Date Published: 02/01/2003
  • Utility Bill Insert
    Colorful 3" x 5" bill insert for use by wastewater and water supply utilities. One side has information for customers that discharge to sanitary sewer systems; the other side is for customers with septic systems (EPA 832-F-03-007).
    Document Type: Factsheets and Outreach Materials
    Date Published: 02/01/2003
  • Where Does All the Dirty Water Go?
    This brochure raises citizen's awareness of the importance of wastewater, explains the basics of wastewater treatment, and contains helpful hints for homeowners about what NOT to put into the sanitary sewer system (EPA 832-F-03-008)
    Document Type: Factsheets and Outreach Materials
    Date Published: 02/01/2003
  • Wastewater Treatment Programs Serving Small Communities
    Brochure that summarizes all the EPA or EPA-sponsored resources available to small communities to address wastewater issues (EPA 832-R-02-004).
    Document Type: Factsheets and Outreach Materials
    Date Published: 02/01/2003
  • Use of the Clean Water State Revolving Fund to Implement Security Measures at Publicly-Owned Wastewater Treatment Works
    Fact sheet that explains what can be funded through the Clean Water State Revolving Fund to increase security at wastewater treatment plants (EPA 832-F-03-002).
    Document Type: Factsheets and Outreach Materials
    Date Published: 02/01/2003
  • One-Stop Shopping in the Clean Water State Revolving Fund Program
    Fact sheet that highlights one-stop shopping initiatives created in many states (EPA 832-F-03-001).
    Document Type: Factsheets and Outreach Materials
    Date Published: 02/01/2003
  • Kid's Posters: How Do We Treat Our Wastewater?
    Children's poster that fully illustrates how wastewater is generated and treated. A lesson plan for middle school classes is on the back of the poster. A black-and-white version that younger children can color, with a lesson plan for grade school classes on the back, is also available (EPA 832-H-92-002 and EPA 832-H-92-003).

    This publication is not available electronically. Order from
    U.S. EPA National Service Center for Environmental Publications, PO Box 42419, Cincinnati, OH 45241; 800-490-9198.
    Document Type: Factsheets and Outreach Materials
    Date Published: 02/01/2003

  • Memorandum: Watershed-Based NPDES Permitting Policy Statement
    Describes the benefits of watershed-based permitting, the implementing mechanisms for this component of the watershed approach, and how EPA will be encouraging use of watershed-based NPDES permits.
    Document Type: Policy and Guidance Documents
    Date Published: 01/07/2003
  • Search General Permits
    EPA is gathering PDF copies of NPDES general permits and fact sheets for major facilities issued after November 1, 2002. Click here to search and view general permits issued by permit category, state, permit title, or permit number.
    Document Type: Example and General Permits
    Date Published: 11/01/2002

  • Watershed-Based Permitting Under the NPDES Program: A Summary of Related Background Information
    Provides a compilation and summary of background information relevant to watershed-based permitting.
    Document Type: Factsheets and Outreach Materials
    Date Published: 09/30/2002
  • Potential Partners in Promoting Watershed-based Permitting: An Analysis of Watershed Organizations
    Provides a cross-sectional analysis of successful organizations engaged in watershed management. As described in the report, EPA analyzed 29 selected organizations in 17 states for potential that these organizations may have to play a role in implementing watershed-based NPDES permitting based on their current goals and activities.
    Document Type: Factsheets and Outreach Materials
    Date Published: 09/30/2002
  • NPDES Catalog of Publications
    Lists all NPDES publications as of September 1, 2002. This comprehensive list of publications is categorized by program area, then publication title.
    Document Type: Factsheets and Outreach Materials
    Date Published: 09/01/2002
  • Central Tenets of the National Pollutant Discharge Elimination System (NPDES) Permitting Program
    Intended to provide States with a summary of core permitting principles that are expressed by the current regulations and are non-negotiable.
    Document Type: Factsheets and Outreach Materials
    Date Published: 08/16/2002
  • NPDES Permit Quality Review Checklist - For Non-Municipals
    A four-page checklist that could be used by Regional or State staff to document permit reviews for non-municipal facilities in a standardized manner.
    Document Type: Factsheets and Outreach Materials
    Date Published: 08/16/2002
  • NPDES Permit Quality Review Checklist - For POTWs
    A four-page checklist that could be used by Regional or State staff to document permit reviews for POTWs in a standardized manner.
    Document Type: Factsheets and Outreach Materials
    Date Published: 08/16/2002
  • Memorandum: Information on the Misuse of Sodium Dimethyldithiocarbamate
    Memo from Michael B. Cook, Director of the Office of Wastewater Management, alerting users of potential problems that could arise from the misuse of sodium dimethyldithiocarbamate and associated compounds.
    Document Type: Policy and Guidance Documents
    Date Published: 06/02/2002
  • Protecting the Nation's Waters Through Effective NPDES Permits: A Strategic Plan FY 2001 and Beyond
    The Water Permits Division's Strategic Plan discusses the background of the Water Permits Division, their organization and resources, current implementation activities, and the Division's vision, mission, challenges, strategic issues, goals, and key actions from FY 2001 and beyond. EPA-833-R-01-001.
    Document Type: Policy and Guidance Documents
    Date Published: 06/01/2001
  • Clarifications Regarding Toxicity Reduction and Identification Evaluations in the National Pollutant Discharge Elimination System Program
    EPA document developed by the Office of Wastewater Management/Water Permits Division to provide additional clarification on conducting toxicity reduction evaluations and toxicity identification evaluations with respect to whole effluent toxicity (WET) testing. The document clarifies for National Pollutant Discharge Elimination System (NPDES) permit writers and permittees a number of common issues such as: when and under what circumstances a permittee should conduct a TRE and/or a TIE; technical limitations on the TIE process; consideration of persistence and magnitude of toxicity events; ionic imbalances of effluents; the applicability of compliance schedules; and inconclusive TREs/TIEs. The document supplements existing EPA guidance and policies on WET and TREs/TIEs but does not change current policy or legal authority.
    Document Type: Policy and Guidance Documents
    Date Published: 03/27/2001
  • Follow-up to PCS Data Clean-up Proposal
    Memorandum update to the September 7, 2000 memorandum. This memo discusses the new options that allow states to QA/QC the data and allow EPA to determine whether data for key fields are missing in PCS.
    Document Type: Policy and Guidance Documents
    Date Published: 01/25/2001
  • Not in My Septic System! Magnet
    Magnet that septic tank pumpers can distribute to customers. Lists items that homeowners should not dump down the drain and provides a reminder of the next service date.

    If you would like to print your own magnets, see Printing a Publication Using a Professional Printer for more information.
    Document Type: Factsheets and Outreach Materials
    Date Published: 01/01/2001

  • PCS Data Clean-up Proposal
    Memorandum that discusses the effort by the Office of Water and the Office of Enforcement and Compliance Assurance to enter missing data and QA/QC the data entered in the Permit Compliance System (PCS).
    Document Type: Policy and Guidance Documents
    Date Published: 09/07/2000
  • Wastewater Technology Fact Sheet: Granular Activated Carbon Adsorption and Regeneration
    Fact sheet on the use of GAC adsorption for advanced treatment of municipal and industrial wastewater. Technology can be used to absorb small quantities of remaining soluble organic and inorganic compounds. Provides information on advantages and disadvantages, applicability, performance, design criteria, operation and maintenance, and costs (EPA 832-F-00-017).
    Document Type:
    Date Published: 09/01/2000
  • Wastewater Technology Fact Sheet: Chemical Precipitation
    Fact sheet that provides information on the advantages and disadvantages, applicability, performance, design criteria, operation and maintenance, and costs of widely used technologies for removing organic substances, metals and other inorganics from wastewater in a process of precipitation, or settling out these substances from solution (EPA 832-F-00-018).
    Document Type:
    Date Published: 09/01/2000
  • Wastewater Technology Fact Sheet: Dechlorination
    Fact sheet that discusses ways to remove residual chlorine from disinfected wastewater prior to discharge into the environment. Provides information on advantages and disadvantages, applicability, performance, design criteria, operation and maintenance, and costs of such processes (EPA 832-F-00-022).
    Document Type:
    Date Published: 09/01/2000
  • Method Guidance and Recommendations for Whole Effluent Toxicity (WET) Testing
    This document provides guidance and recommendations on the conduct of the approved WET test methods and interpretation of WET test results reported under the NPDES program. This guidance partially fulfills the obligations of a legal settlement agreement that resolves a judicial challenge to the WET final rule. The document provides guidance on the following issues: nominal error rate adjustments, confidence intervals, concentration-response relationships, dilution series, and dilution waters.
    Document Type: Policy and Guidance Documents
    Date Published: 07/01/2000
  • Understanding and Accounting for Method Variability in Whole Effluent Toxicity Applications Under the NPDES Program
    This document was developed by an EPA OWM work group to address questions raised by stakeholders on the issue of analytical variability that might be associated with Whole Effluent Toxicity (WET) testing and how it relates to the NPDES permit program (EPA 833-R-00-003)
    Document Type: Policy and Guidance Documents
    Date Published: 06/01/2000
  • State/Territory Backlog Status for Major Facilities Ranked Highest to Lowest - March 2000
    Document Type: Program Status Reports
    Date Published: 04/24/2000
  • Memorandum: Certification of "Accuracy" of Information Submissions of Test Results Measuring Whole Effluent Toxicity
    Clarifies that the Agency intends that a certification of "accuracy" occurs in information submissions of testing data for whole effluent toxicity, but as the layperson uses the term, not "accurate" as the term is used to describe the quantifiable performance of a measurement system.
    Document Type: Policy and Guidance Documents
    Date Published: 03/03/2000
  • Combined Sewer Overflow Technology Fact Sheet: Chlorine Disinfection
    Fact sheet that discusses the use of chlorine to disinfect discharged waters from combined sewer overflows. Includes information on advantages and disadvantages of this process, as well as applicability, performance, design criteria, operation and maintenance, and costs (EPA 832-F-99-034).
    Document Type:
    Date Published: 09/01/1999
  • Wastewater Technology Fact Sheet: Intermittent Sand Filters
    Fact sheet that describes intermittent sand filters as wastewater treatment systems and provides information on technologies, advantages and disadvantages, design criteria, operation and maintenance, and costs. Also available in Spanish (EPA 832-F-99-067).
    Document Type:
    Date Published: 09/01/1999
  • Toxicity Reduction Evaluation Guidance for Municipal Wastewater Treatment Plants
    Guidance document to permittees, permit writers and consultants on the general approach and procedures for conducting toxicity reduction evaluations (TREs) at municipal wastewater treatment plants. Provides new updates and additional case study discussions on issues for identifying whole effluent toxicity at municipal wastewater treatment plants. It addresses many issues that stakeholders have raised since the earlier April 1989 edition. It is intended to be a guide to the approaches that have been successfully used in municipal TREs (EPA 833-B-99-022).
    Document Type: Policy and Guidance Documents
    Date Published: 08/01/1999
  • Final Study Plan for Determining Interlaboratory Variability of the EPA Short-Term Chronic and Acute Whole Effluent Toxicity Test Methods
    The study plan was finalized by EPA in response to peer review and public comment received on the draft study plan (October 9, 1998 version). The study plan outlines the study objectives, study management, procedures for selecting laboratories, preliminary testing, sample preparation and distribution, conduct of each test method, and data reporting and evaluation procedures.
    Document Type: Policy and Guidance Documents
    Date Published: 06/11/1999
  • Administration of FY 1999 Appropriation for Wastewater Treatment Projects for Indian Tribes and Alaska Native Villages
    Advises directors of tribal projects identified to receive funding through the agency's 1999 Appropriations Bill for the Clean Water Act Indian Set-Aside Grant Program.
    Document Type: Policy and Guidance Documents
    Date Published: 05/26/1999
  • Memo: Reducing the NPDES Permit Backlog
    Memo from J. Charles Fox to regional administrators about reducing the backlog of NPDES permits.
    Document Type: Policy and Guidance Documents
    Date Published: 05/04/1999
  • Improving Data in the Permit Compliance System (PCS)
    Memorandum that discusses priorities and goals for improving PCS data quality. The three goals are: (1) improving design flow data for loadings analysis; (2) improve data quality in order to reduce permit backlog rates; and (3) improve facility location address data.
    Document Type: Policy and Guidance Documents
    Date Published: 02/22/1999
  • Post Promulgation Docket Index for Whole Effluent Toxicity Methods Variability Studies and Variability Guidance
    This index provides the complete list of documents available for public review at the US Environmental Protection Agency Water Docket
    Document Type: Policy and Guidance Documents
    Date Published: 02/18/1999
  • Award of Grants for Special Projects Authorized by this Agency's FY 1999 Appropriations Act
    Information and guidance on how the Agency will award and administer grants for identified special projects.
    Document Type: Policy and Guidance Documents
    Date Published: 01/29/1999
  • NPDES Form 2S Application
    Application for sewage sludge (biosolids) permit for new and existing treatment works treating domestic sewage (TWTDS). Note: You need Adobe Acrobat Reader 7.0 or 8.0 in order to open this file. Even though this publication is a PDF file, this document allows you to type directly onto the form and allows you to save the PDF with the form fields populated. You should enter your facility information on the form, print it, sign it, and mail the form to the address stated in the instructions.
    Document Type: Permit Applications and Forms
    Date Published: 01/14/1999
  • NPDES Form 2A Application
    Application for permit to discharge municipal wastewater from new and existing publicly owned treatment works (POTWs). Note: You need Adobe Acrobat Reader 7.0 or 8.0 in order to open this file. Even though this publication is a PDF file, this document allows you to type directly onto the form and allows you to save the PDF with the form fields populated. You should enter your facility information on the form, print it, sign it, and mail the form to the address stated in the instructions.
    Document Type: Permit Applications and Forms
    Date Published: 01/14/1999
  • Combined Sewer Overflows Guidance For Monitoring and Modeling
    Provides guidelines for the use of monitoring and modeling in the development and implementation of a CSO control program. The document provides information on characterizing a combined sewer system, assessing the impact of wet weather on CSO discharges, and assessing the impact of CSOs on receiving water bodies. It focuses on the characterization process described in the CSO Policy and refers to other literature for more in-depth explanations of specific techniques (EPA 832-B-99-002).
    Document Type: Policy and Guidance Documents
    Date Published: 01/01/1999
  • Errata for the Effluent and Receiving Water Toxicity Testing Manuals
    Acute Toxicity of Effluents and Receiving Waters to Freshwater and Marine Organisms; Short-Term Methods for Estimating the Chronic Toxicity of Effluents and Receiving Waters. EPA-600/R-98/182
    Document Type: Technical and Issue Papers
    Date Published: 01/01/1999
  • Maximum Daily Discharge Limitations vs. Instantaneous Maximum Limitation
    Letter recognizing the distinction between maximum daily discharge limitations and instantaneous maximum limitations.
    Document Type: Policy and Guidance Documents
    Date Published: 10/23/1998
  • Charge to Reviewers: Interlaboratory Study of Whole Effluent Toxicity Test Methods, October 9, 1998
    As required by the settlement agreement EPA is seeking peer review of the document titled, Appendix A: Study Plan for Determining Interlaboratory Variability of the EPA Short-Term Chronic and Acute Whole Effuent Toxicity Test Methods, October 9, 1998 (PDF, 150K).
    Document Type: Policy and Guidance Documents
    Date Published: 10/09/1998
  • Appendix A: Study Plan for Determining Interlaboratory Variability of the EPA Short-Term Chronic and Acute Whole Effluent Toxicity Test Methods, October 9, 1998
    The study plan outlines the procedures for selecting laboratories, sample preparation and handling, and conducting each test method. Peer review will ensure that the study plan employs credible and appropriate science to evaluate each WET test method. The formal charge to the Peer Review Panel is to objectively review whether the study design (Appendix A) effectively assesses method precision, test completion rate, and the rate at which the tests indicate "toxicity" when measuring non-toxic samples.
    Document Type: Policy and Guidance Documents
    Date Published: 10/09/1998
  • State NPDES Program Status
    Document Type: Program Status Reports
    Date Published: 09/16/1998
  • Letter to Mr. John C. Hall and Associates
    Letter to Mr. John C. Hall of Hall & Associates from EPA's James Pendergast regarding total residual chlorine detection limits.
    Document Type: Policy and Guidance Documents
    Date Published: 08/11/1998
  • Settlement Agreement between Edison Electric Institute and Western Coalition of Arid States and the US Environmental Protection Agency, July 24, 1998
    On July 24, 1998, EPA, the Edison Electric Institue, and the Western Coalition of Arid States reached an agreement to settle a challenge to EPA's approval of 17 WET test methods. The agreement requires EPA to conduct additional interlaboratory variability studies for 12 of the 17 approved WET methods, prepare guidance on analytical variability, seek peer review for technical decisions, and publish a series of Federal Register notices that address the WET final rule.
    Document Type: Policy and Guidance Documents
    Date Published: 07/24/1998
  • Water Pollution Control: Twenty-Five Years of Progress and Challenges for the New Millennium
    Congress responded to the public outrage over the deplorable condition of the nation's water by enacting the Clean Water Act (833-F-98-003).
    Document Type: Program Status Reports
    Date Published: 06/01/1998
  • Permitting Guidance for Semiconductor Manufacturing Facilities
    Guidance document providing an overview of the semiconductor manufacturing process, a discussion of the overlap between Parts 469 and 433, and examining new and emerging manufacturing technologies and how these processes fit into the regulatory framework of Parts 469 and 433.
    Document Type: Policy and Guidance Documents
    Date Published: 04/21/1998
  • Proper Application of Chlorine Criteria to Develop National Pollutant Discharge Elimination System (NPDES) Permit Limitations for Publicly-Owned Treatment Works (POTWs).
    Letter explaining the proper application of chlorine criteria to develop National Pollutant Discharge Elimination System (NPDES) permit limitations for publicly-owned treatment works (POTWs).
    Document Type: Policy and Guidance Documents
    Date Published: 02/03/1998
  • Utility Manholes and Vaults as "Point Sources"
    Letter to Senator Reid on whether utility manholes and vaults are point sources of pollution under the CWA.
    Document Type: Policy and Guidance Documents
    Date Published: 09/04/1997
  • New Policies for Establishing and Implementing Total Maximum Daily Loads (TMDLs)
    Memorandum expressing EPA's policies for developing and implementing TMDLs.
    Document Type: Policy and Guidance Documents
    Date Published: 08/08/1997
  • Guidance and Standards for Calculating Point Source Pollutant Loads Using the Permit Compliance System (PCS) Point Source Load Reductions as an Indicator of Water Quality Improvements
    PCS is the primary repository of data used to determine reductions in pollutant loads to the waters of the United States. This effort falls under the umbrella of EPA's National Goals Project, which has developed a series of milestones for measuring improvements to the waters ofthe United States over the next 10 years. Measuring point source load reductions using PCS is one way to monitor improvements. The purpose of this guidance is to establish guidelines for consistent coding of NPDES permits in a manner that facilitates load reduction estimation through the use of PCS.
    Document Type: Policy and Guidance Documents
    Date Published: 08/01/1997
  • Clarifications Regarding Whole Effluent Toxicity Test Methods Recently Published at 40 CFR Part 136 and Guidance on Implementation of Whole Effluent Toxicity in Permits
    Memorandum which supplements the memorandum of April 10, 1996 on "Clarifications Regarding Flexibility in 40 CFR Part 136 WET Test Methods" as well as EPA guidance provided in the Technical Support Document for Water Quality-Based Toxics Control, (March 1991, EPA/505/2-90-001) as well as the WET control Policy (July 1994 EPA/833-94-002).
    Document Type: Policy and Guidance Documents
    Date Published: 07/21/1997
  • Effect of State Audit Immunity/Privilege Laws on Enforcement Authority for Federal Programs
    Memorandum regarding the question of when enforcement and information gathering authority may be considered adequate for the purpose of approving or delegating programs in states with audit privilege or immunity laws.
    Document Type: Policy and Guidance Documents
    Date Published: 02/14/1997
  • What Happens After the Flush?
    Colorful reprint from The Family Handyman Magazine that explains how various wastewater systems work by using excellent illustrations. Reprinted with permission from The Family Handman Magazine, 1997 Home Service Publications, Inc., an affiliate of The Reader's Digest Association, Inc., Suite 700, 2915 Commers Drive, Eagan, MN 55121. All rights reserved (EPA 832-B-02-007).
    Document Type: Factsheets and Outreach Materials
    Date Published: 01/01/1997
  • NPDES Permit Writer's Manual
    The NPDES Permit Writers' Manual is principally designed to help permit writers prepare legally defensible and enforceable NPDES permits. Its purpose is to serve as a useful resource in providing the technical and legal considerations which support the development of NPDES permits. However, the manual is also intended to serve as a resource for others, including stakeholders and the regulated community, interested in the NPDES permitting process. (EPA 833-B-96-003)
    Document Type: Policy and Guidance Documents
    Date Published: 12/01/1996
  • Environmental Management Systems
    This Guide is intended to support and facilitate the development of environmental management systems (EMS) among small and medium-sized organizations. The Guide explains how you can develop and implement an effective EMS and how it can support your organization's mission and goals. Development of an EMS is a voluntary approach to improving your organization's environmental performance. The final report on NSF International's EMS Demonstration Project summarizes the EMS implementation experiences of 18 organizations of a variety of types and sizes. The project, which used the ISO 14001 Standard as the model for an EMS, was funded through a two-year grant from EPA's Office of Wastewater Management (October 1994 - September 1996).
    Document Type: Case Studies
    Date Published: 11/01/1996
  • Options Developed at the September 1996 WET Meeting
    Document Type: Factsheets and Outreach Materials
    Date Published: 10/01/1996
  • Guidance on Use of Seasonal Limits in NPDES Permits
    Letter outlining EPA's guidance of the appropriate use of NPDES effluent limits that vary with the seasons.
    Document Type: Policy and Guidance Documents
    Date Published: 09/20/1996
  • Interim Permitting Approach for Water Quality-Based Effluent Limitations in Stormwater Permits
    The policy addresses issues relating to the type of effluent limitations that are most appropriate for National Pollutant Discharge Elimination (NPDES) stormwater permits to provide for the attainment of water quality standards (EPA-833-D-96-00).
    Document Type: Policy and Guidance Documents
    Date Published: 09/01/1996
  • EPA Guidance on Application of State Mixing Zone Policies in EPA-Issued NPDES Permits
    The purpose of this memorandum is to transmit the Office of Water's Guidance on Application of State Mixing Zone Policies in EPA-Issued NPDES Permits.
    Document Type: Policy and Guidance Documents
    Date Published: 08/06/1996
  • National Listing of Fish and Wildlife Consumption Advisories
    EPA help card explaining how to install and use the National Listing of Fish and Wildlife Consumption Advisories (NLFWCA) Microsoft Windows program.
    Document Type: Factsheets and Outreach Materials
    Date Published: 06/01/1996
  • Metals Translator: Guidance for Calculating a Total Recoverable Permit Limit from a Dissolved Criterion
    A tool for environmental scientists and permit writers to use in calculating the amount of a metal that may be discharged from a facility to a surface water body based on how the metal is distributed or partitioned between water and sediments in the receiving stream (EPA 823-B-96-007).
    Document Type: Policy and Guidance Documents
    Date Published: 06/01/1996
  • Clarifications Regarding Flexibility in 40 CFR Part 136 Whole Effluent Toxicity (WET) Test Methods
    The purpose of this memorandum is to provide clarifications regarding the flexibility in the regulations promulgated at 60 Fed. Reg. 53529 (Oct. 16, 1995), which establish analytical test methods for the determination of whole effluent toxicity (WET). Click on the following link to view this document: http://www.epa.gov/waterscience/WET/wetinfo.html
    Document Type: Policy and Guidance Documents
    Date Published: 04/10/1996

  • Interim Guidance for Performance-Based Reductions of NPDES Permit Monitoring Frequencies
    Interim guidance to reduce unnecessary pollutant-specific monitoring and reporting in reissued NPDES permits with an excellent compliance and enforcement history. Does not advocate reductions for parameters monitored only once per quarter or for limits below analytical level of quantification (EPA 833-B-96-001).
    Document Type: Policy and Guidance Documents
    Date Published: 04/01/1996
  • NPDES Permit Issuance Flexibility Policy in Watershed Permitting
    Memorandum to the Regions recognizing the challenge involved with respect to meeting permit issuance requirements during the transition to the watershed approach. It outlines measures designed to facilitate with the transition.
    Document Type: Policy and Guidance Documents
    Date Published: 03/13/1996
  • Effluent Trading in Watersheds
    Policy statement communicating EPA policy on effluent trading.
    Document Type: Policy and Guidance Documents
    Date Published: 01/01/1996
  • National Policy Regarding Whole Effluent Toxicity (WET) Enforcement
    Memorandum clarifying national enforcement policy related to single exceedances of whole effluent toxicity limits and response when toxicity reduction evaluations are inconclusive.
    Document Type: Policy and Guidance Documents
    Date Published: 08/14/1995
  • Revised Policy Statement on Scope of Discharge Authorization and Shield Associated with NPDES Permits
    Memorandum describing EPA's policy interpretation of Clean Water Act section 402(k), also known as "permit as a shield."
    Document Type: Policy and Guidance Documents
    Date Published: 04/11/1995
  • Water Quality Guidance for the Great Lakes System: Supplementary Information Document (SID)
    EPA published the final Water Quality Guidance for the Great Lakes System in the Federal Register on March 23, 1995. The purpose of this Supplementary Information Document (SID) is to provide a more detailed description of the final Guidance, including a statement of the basis and purpose of the final Guidance; a discussion of the major changes from the proposal; and an analysis of issues raised in comments received on the proposed Guidance and subsequent documents in the Federal Register (EPA-820-B-95-001).
    Document Type: Policy and Guidance Documents
    Date Published: 03/01/1995
  • Delegation (to the regions) of Updates to Major/Minor Lists
    Memorandum which establishes the delegation of determinations of major/minor status for both municipal and non-municipal NPDES dischargers to the Regions
    Document Type: Policy and Guidance Documents
    Date Published: 02/06/1995
  • Moving the NPDES Program to a Watershed Approach
    Status report of EPA regional efforts to implement the NPDES Watershed Strategy, and of the various activities conducted by states and EPA regions to foster watershed protection.
    Document Type: Program Status Reports
    Date Published: 10/25/1994
  • The Watershed Approach: Our Framework for Ecosystem Protection
    Describesing actions EPA will take to foster a watershed approach to protecting surface waters.
    Document Type: Policy and Guidance Documents
    Date Published: 10/07/1994
  • Authorization of Partial State Sewage Sludge Programs
    Memorandum stating that states can request authorization for parts of the sludge permit program.
    Document Type: Policy and Guidance Documents
    Date Published: 07/28/1994
  • EPA Whole Effluent Toxicity (WET) Control Policy
    Policy for the development of effluent limitations in NPDES permits to control whole effluent toxicity for the protection of aquatic life (EPA 833-B-94-002)
    Document Type: Policy and Guidance Documents
    Date Published: 07/01/1994
  • Short-Term Methods For Estimating the Chronic Toxicity of Effluents and Receiving Water to Marine and Estuarine Organisms
    Second edition. This manual describes six short-term (one hour to nine days) estuarine and marine methods for measuring the chronic toxicity of effluents and receiving waters to five species: the sheepshead minnow, Cyprinodon variegatus; the inland silverside, Menidia beryllina; the mysid, Mysidopsis bahia; the sea urchin, Arbacia punctulata; and the red macroalga, Champia parvula. The methods include single and multiple concentration static renewal and static nonrenewal toxicity tests for effluents and receiving waters.
    Document Type: Policy and Guidance Documents
    Date Published: 07/01/1994
  • Short-Term Methods For Estimating the Chronic Toxicity of Effluents and Receiving Water to Freshwater Organisms
    Third edition. This manual describes four short-term (four- to seven-day) methods for estimating the chronic toxicity of effluents and receiving waters to three freshwater species: the fathead minnow, Pimephales promelas, a daphnid, Ceriodaphnia dubia, and a green alga, Selenastrum capricornutum. The methods include single and multiple concentration static renewal and non-renewal toxicity tests for effluents and receiving waters.
    Document Type: Policy and Guidance Documents
    Date Published: 07/01/1994
  • NPDES and Sewage Sludge Program Authority: A Handbook for Federally Recognized Indian Tribes
    General information on the NPDES wastewater and sewage sludge programs for federally recognized tribes (EPA-833-B-94-004).
    Document Type: Policy and Guidance Documents
    Date Published: 07/01/1994
  • Policy Statement on Scope of Discharge Authorization and Shield Associated with NPDES Permits
    EPA's position on the scope of the authorization to discharge under an NPDES permit and the shield thus associated with the permit authorization.
    Document Type: Policy and Guidance Documents
    Date Published: 07/01/1994
  • Whole Effluent Toxicity (WET) Control Policy
    Policy is intended to promote nationwide compliance with statutory and regulatory requirements for the control of WET.
    Document Type: Policy and Guidance Documents
    Date Published: 07/01/1994
  • Science Policy Council Handbook: Peer Review, EPA 100-B-98-001, January 1998
    On June 7, 1994, the EPA issued a Peer Review Policy Statement. The overall objective of the Peer Review Policy is to enhance the quality and credibility of Agency decisions by ensuring that scientific and technical work products that support EPA decisions receive peer review by independent scientific and technical experts. To help EPA state and managers implement this policy, EPA's Science Policy Council (SPC) prepared this Peer Review Handbook to provide guidance on organizing and conducting peer reviews.
    Document Type: Policy and Guidance Documents
    Date Published: 06/07/1994
  • Regional Guidance for Development of State-by-State Watershed Protection Assessment and Action Plans
    Guidance document to provide assistance to EPA regions in preparing state-by-state assessments and action plans.
    Document Type: Policy and Guidance Documents
    Date Published: 05/10/1994
  • Detection Limits for Total Residual Chlorine
    Publication is not available electronically. For more information on ordering publications, go to http://www.epa.gov/owm/inpub.htm.

    Letter discussing EPA's determination that chlorine may be reliably measured below 0.1 mg/l in municipal effluents; whether pretreatment program regulations require municipalities to investigate sources of test interference and eliminate matrix interferen
    Document Type: Policy and Guidance Documents
    Date Published: 03/21/1994

      (This file is not currently available for download)

  • Interim Guidance on Determination and Use of Water-Effect Ratios for Metals
    Guidance to support implementation of Federal standards for those states included in the National Toxics Rule (EPA-823-B-94-001).
    Document Type: Policy and Guidance Documents
    Date Published: 02/22/1994
  • Interpretation of Industrial Wastewater Discharge Exclusion from the Definition of Solid Waste
    Clarifies that RCRA requirements apply to discharges of leachate into ground water from leaking waste management units, even when the ground water provides a direct hydrologic connection to surface waters of the US.
    Document Type: Policy and Guidance Documents
    Date Published: 02/17/1994
  • Waters of the United States Determination For a Proposed Cooling Pond Site in Polk County, Florida
    Proposed cooling pond site in Polk County, Florida. Provides guidance on whether a cooling pond is considered as a water of the US under the NPDES permit program.
    Document Type: Policy and Guidance Documents
    Date Published: 12/13/1993
  • Guidance on EPA's NPDES and Sludge Management Permit Procedures on Federal Indian Reservations
    Provides guidance on EPA's obligations to issue NPDES and sludge permits to facilities located on Indian reservations.
    Document Type: Policy and Guidance Documents
    Date Published: 11/16/1993
  • OWEC State Sewage Sludge Management Program
    Office of Wastewater Enforcement and Compliance state sewage sludge management program summary and status.
    Document Type: Policy and Guidance Documents
    Date Published: 10/25/1993
  • Office of Water Policy and Technical Guidance on Interpretation and Implementation of Aquatic Life Metals Criteria
    Policy memorandum on how EPA will interpret its national criteria for metals, and presentation of technical tools states and EPA regions can use in implementing these criteria in NPDES permits and TMDLs.
    Document Type: Policy and Guidance Documents
    Date Published: 10/15/1993
  • Recent Environmental Appeals Board Decision
    Memorandum explaining that the decision of EPA's environmental appeals board upheld an EPA issued permit limit for whole effluent toxicity.
    Document Type: Policy and Guidance Documents
    Date Published: 10/07/1993
  • Guidance Manual for Developing Best Management Practices (BMP)
    Guidance for NPDES permittees in the development of BMPs for their facilities to prevent release of toxic and hazardous chemicals (EPA 833-B-93-004).
    Document Type: Policy and Guidance Documents
    Date Published: 10/01/1993
  • Methods for Aquatic Toxicity Identification Evaluations: Phase II Toxicity Identification Procedures for Samples Exhibiting Acute and Chronic Toxicity
    Technical guidance on how to identify the cause of whole effluent toxicity. Part two of a three part set (EPA-600-R-92-080).
    Document Type: Policy and Guidance Documents
    Date Published: 09/01/1993
  • Methods for Aquatic Toxicity Identification Evaluations: Phase III Toxicity Confirmation Procedures for Samples Exhibiting Acute and Chronic Toxicity
    Technical guidance on how to identify the cause of whole effluent toxicity. Part three of a three part set (EPA-600-R-92-081).
    Document Type: Policy and Guidance Documents
    Date Published: 09/01/1993
  • Results of Significant Noncompliance (SNC) Study
    Significant noncompliance study and enforcement of EPA regulations.
    Document Type: Policy and Guidance Documents
    Date Published: 08/25/1993
  • Enforcement Position on Facilities Affected by Midwest Floods
    OWEC position paper discussing the Agency's position with regards to enforcement against facilities in the Midwest which have flood related NPDES violations.
    Document Type: Technical and Issue Papers
    Date Published: 08/13/1993
  • Methods for Measuring the Acute Toxicity of Effluents and Receiving Waters to Freshwater and Marine Organisms
    This manual describes methods for measuring the acute toxicity of effluents to freshwater, estuarine, and marine macroinvertebrates and fish. The methods include single and multiple concentration static non-renewal, static-renewal, and flow-through toxicity tests for effluents and receiving waters.
    Document Type: Policy and Guidance Documents
    Date Published: 08/01/1993
  • Office of Water Memorandum of Implementation of Metals Criteria
    Overall description of activities for work on the issue of implementation of metals criteria for the protection of aquatic life.
    Document Type: Policy and Guidance Documents
    Date Published: 04/01/1993
  • CWA Regulation of Mine Tailings Disposal
    Memorandum from AA for Water (Lajuana Wilcher) to Region 10 discussing the roles of 404 and 402 in regulating the disposal/treatment of mine tailings (specific to A-J and Kensington Mines) in waste treatment systems created in waters of the US; discusses jurisdictional waters conversion (?conversion theory?) to waste treatment systems.
    Document Type: Policy and Guidance Documents
    Date Published: 10/02/1992
  • Clarifications Regarding Certain Aspects of EPA's Surface Water Toxics Control Regulations
    Clarifications of EPA regulations relating to s.304(1) and water quality-based effluent limitations.
    Document Type: Policy and Guidance Documents
    Date Published: 08/14/1992
  • Clarification of "Instantaneous Maximum" as Applied to Steam Electric Facilities Effluent Limitations
    Memorandum providing interpretation that the steam electric effluent guideline for chlorine is intended to be an instantaneous maximum limit and not a daily maximum limit.
    Document Type: Policy and Guidance Documents
    Date Published: 07/27/1992
  • Order Denying Modification Request with Respect to the Administrator's 1990 Decision in Star-Kist Caribe, Inc. (NPDES Appeal No. 88-5)
    Memorandum to EPA regions explaining the effect of the Administrator's decision regarding compliance schedules in EPA issued permits. (NPDES Appeal No. 88-5)
    Document Type: Policy and Guidance Documents
    Date Published: 05/27/1992
  • Toxicity Identification Evaluation: Characterization of Chronically Toxic Effluents, Phase I
    Methods to characterize the chemical/physical nature of the constituents in effluents which cause their chronic toxicity (EPA 600-6-91-005F).
    Document Type: Policy and Guidance Documents
    Date Published: 05/01/1992
  • Declaration of Gary W. Hudiburgh, Jr. In the Matter of Star-Kist Caribe, Inc. Petitioner NPDES Permit No. PR 0022012
    Information obtained for the Status Report requested by Judge McCallum, and the process used to obtain such information.
    Document Type: Policy and Guidance Documents
    Date Published: 04/03/1992
  • Status Report in the Matter of Star-Kist Caribe, Inc. Petitioner NPDES Permit No. PR0022012
    Steps Petitioner and the Office of Water have taken to address implementation of September 4, 1990 Stay Order.
    Document Type: Policy and Guidance Documents
    Date Published: 04/03/1992
  • CERCLA Reporting Requirements for Releases of Ethylene Glycol from Airplane De-icing Operations
    Expresses EPA's position on the applicability of the federally permitted release exemption and the continuous release reporting regulation to releases of ethylene glycol from airplane de-icing operations.
    Document Type: Policy and Guidance Documents
    Date Published: 02/04/1992
  • Recent Concerns about USGS Data for Selected Metals
    Use of data for establishing NPDES permit limits.
    Document Type: Policy and Guidance Documents
    Date Published: 01/02/1992
  • NPDES Form 2F Application
    Application for permit to discharge stormwater associated with new and existing industrial activity. Note: You need Adobe Acrobat Reader 7.0 or 8.0 in order to open this file. Even though this publication is a PDF file, this document allows you to type directly onto the form and allows you to save the PDF with the form fields populated. You should enter your facility information on the form, print it, sign it, and mail the form to the address stated in the instructions.
    Document Type: Permit Applications and Forms
    Date Published: 01/01/1992
  • De Minimis Discharges Study: Report to Congress
    Determines point source discharges into navigable waters that are not significant and to determine effective and appropriate methods of regulating such discharges (EPA 440-4-91-002).
    Document Type: Program Status Reports
    Date Published: 11/01/1991
  • Final Watershed Protection Framework Document
    Memorandum explaining the Office of Water approach for implementing a watershed approach.
    Document Type: Policy and Guidance Documents
    Date Published: 10/28/1991
  • The Watershed Protection Approach Framework Document
    Water program's efforts to identify & control water pollution and protect watersheds.
    Document Type: Policy and Guidance Documents
    Date Published: 10/28/1991
  • Application and Use of the Regulatory Definition of Significant Noncompliance for Industrial Users
    Memorandum to Regional Water Management Division Directors and Approved Pretreatment State Coordinators regarding the application of the significant noncompliance (SNC) definition.
    Document Type: Policy and Guidance Documents
    Date Published: 09/09/1991
  • Final Policy on Biological Assessments and Criteria
    Policy attempts to address all pollution problems within a watershed.
    Document Type: Policy and Guidance Documents
    Date Published: 08/13/1991
  • Transmittal of Final Policy on Biological Assessments and Criteria
    Memorandum providing EPA's policy on use of biological criteria and requirement to independently apply water quality criteria when assessing the health of a surface water. This is the document that presents EPA's policy on "independent applicability."
    Document Type: Policy and Guidance Documents
    Date Published: 06/19/1991
  • PRELIM Version 4.0 User's Guide
    User's guide for an EPA computer program that calculates local discharge limitation.
    Document Type: Policy and Guidance Documents
    Date Published: 05/01/1991
  • Determining Compliance Dates for Individual Control Strategies Issued Pursuant to Clean Water Act Section 304(l)
    Provides guidance on when compliance with Individual Control Strategies is required.
    Document Type: Policy and Guidance Documents
    Date Published: 03/28/1991
  • Technical Support Document for Water Quality-Based Toxics Control
    States and Regions with guidance on procedures for use in water quality-based control of toxic pollutants.
    Document Type: Policy and Guidance Documents
    Date Published: 03/01/1991
  • Methods for Aquatic Toxicity Identification Evaluations: Phase I Toxicity Characterization Procedures Second Edition
    Aid in conducting aquatic organism Toxicity Identification Evaluations. Part one of a three part set (EPA-600-R-91-003).
    Document Type: Policy and Guidance Documents
    Date Published: 02/01/1991
  • New Regulations Governing the Discharge of Toxic and Hazardous Pollutants to POTWs
    Permitting and compliance monitoring & enforcement implementation activities.
    Document Type: Policy and Guidance Documents
    Date Published: 12/17/1990
  • NPDES Permit Writers Guide on Data Quality Objectives
    Process that should be followed for establishing Data Quality Objectives.
    Document Type: Policy and Guidance Documents
    Date Published: 12/03/1990
  • Ninth Circuit Court Decision Regarding 304(1) Implementation
    Interpretation of court decision regarding 304(1) implementation.
    Document Type: Policy and Guidance Documents
    Date Published: 10/25/1990
  • State Sludge Management Program Guidance Manual
    Provides guidance and specifies procedures for evaluating state sludge program applications.
    Document Type: Policy and Guidance Documents
    Date Published: 10/01/1990
  • Stay Granted in Star-Kist Caribe
    Stay of order on petition for reconsideration.
    Document Type: Policy and Guidance Documents
    Date Published: 09/21/1990
  • NPDES Form 2C Application
    Application for permit to discharge wastewater - existing industrial facilities (including manufacturing, commercial, mining and silvicultural operations) (Revisions proposed for Form 2C have been discontinued.)Note: You need Adobe Acrobat Reader 7.0 or 8.0 in order to open this file. Even though this publication is a PDF file, this document allows you to type directly onto the form and allows you to save the PDF with the form fields populated. You should enter your facility information on the form, print it, sign it, and mail the form to the address stated in the instructions.
    Document Type: Permit Applications and Forms
    Date Published: 08/01/1990
  • NPDES Form 2D Application
    Application for permit to discharge process wastewater - for new industrial facilities. Note: You need Adobe Acrobat Reader 7.0 or 8.0 in order to open this file. Even though this publication is a PDF file, this document allows you to type directly onto the form and allows you to save the PDF with the form fields populated. You should enter your facility information on the form, print it, sign it, and mail the form to the address stated in the instructions.
    Document Type: Permit Applications and Forms
    Date Published: 08/01/1990
  • NPDES Form 2E Application
    Application for facilities which do not discharge process wastewaters. Note: You need Adobe Acrobat Reader 7.0 or 8.0 in order to open this file. Even though this publication is a PDF file, this document allows you to type directly onto the form and allows you to save the PDF with the form fields populated. You should enter your facility information on the form, print it, sign it, and mail the form to the address stated in the instructions.
    Document Type: Permit Applications and Forms
    Date Published: 08/01/1990
  • NPDES Form 1 Application: General Information - Consolidated Permits Program
    General information application. Must be submitted by all facilities applying for an individual NPDES permit, with the exception of POTWs, TWTDS, and MS4s serving a population greater than 100,000. Note: You need Adobe Acrobat Reader 7.0 or 8.0 in order to open this file. Even though this publication is a PDF file, this document allows you to type directly onto the form and allows you to save the PDF with the form fields populated. You should enter your facility information on the form, print it, sign it, and mail the form to the address stated in the instructions.
    Document Type: Permit Applications and Forms
    Date Published: 08/01/1990
  • New NPDES Non-Municipal Permit Rating System
    Memorandum which discusses the implementaion of the new system for rating dischargers as major/minor for purposes of aiding the administration of the NPDES program.
    Document Type: Policy and Guidance Documents
    Date Published: 06/27/1990
  • Strategy for the Regulation of Discharges of PHDDs and PHDFs from Pulp and Paper Mills to Waters of the United States
    Strategy for writing permit limits to control dioxins and furans discharged from pulp and paper mills. Updates the August 9, 1988 interim strategy.
    Document Type: Policy and Guidance Documents
    Date Published: 05/21/1990
  • Questions and Answers on Implementation of Section 304(1) of the Clean Water Act
    Provides answers to miscellaneous questions about implementing section 304(l) of the Clean Water Act.
    Document Type: Policy and Guidance Documents
    Date Published: 01/04/1990
  • Draft Interim Guidance on Implementation of Section 402(o) Antibacksliding Rules for Water Quality-Based Permits
    Interim guidance on interpreting Clean Water Act section 402(o) for water quality based effluent limits, and clarifying that the January 4, 1989, regulation interprets the Act for technology based effluent limits.
    Document Type: Policy and Guidance Documents
    Date Published: 09/29/1989
  • State General Permit Program Development
    Guidance document provides a centralized source of information about the general permit process and obtaining general permit authority.
    Document Type: Policy and Guidance Documents
    Date Published: 06/13/1989
  • Development of State NPDES General Permit Programs
    Key information for state NPDES programs.
    Document Type: Policy and Guidance Documents
    Date Published: 06/13/1989
  • Applicability of Ore Mining New Source Performance Standards to Proposed Kensington Mining Project
    Memorandum to Region 10 Water Division Director to provide guidance on the applicability of the new source performance standardsfor Ore Mining at 40 CFR Part 440 to the proposed Kensington gold mining project.
    Document Type: Policy and Guidance Documents
    Date Published: 04/18/1989
  • Generalized Methodology for Conducting Industrial Toxicity Reduction Evaluations (TREs)
    Guidance for the performance of Toxicity Reduction Evaluations (TREs) at industrial facilities. This document presents a generalized methodology for designing and conducting a TRE and 10 supporting case studies which illustrate various approaches that have been used in the performance of TREs to date (EPA-600-2-88-070).
    Document Type: Policy and Guidance Documents
    Date Published: 04/01/1989
  • Final Guidance on Section 304(l) Listing and Permitting of Pulp and Paper Mills
    Policy on section 304(l) listing of chlorine bleaching pulp and paper mills.
    Document Type: Policy and Guidance Documents
    Date Published: 03/15/1989
  • Guidance for Section 304(l) Listing and Permitting of Pulp and Paper Mills
    Presence of chlorinated dioxins and furans in discharges of pulp and paper mills examined.
    Document Type: Policy and Guidance Documents
    Date Published: 03/15/1989
  • NPDES Permitting Strategy for OCPSF Industry Direct Dischargers
    National strategy calling for expeditious reissuance of NPDES permits for organic chemical facilities, in order that the new effluent guidelines can quickly become implemented.
    Document Type: Policy and Guidance Documents
    Date Published: 02/16/1989
  • Whole Effluent Toxicity Sample Permitting and Enforcement Guidance
    Efforts of an EPA/State workgroup composed of permitting, enforcement and legal counsel representatives in support of whole-effluent toxicity permitting and enforcement. Guidance for improving consistency in whole effluent toxicity limits in NPDES permits by providing sample permit language.
    Document Type: Policy and Guidance Documents
    Date Published: 02/02/1989
  • Procedures for Revising the Major Permit List
    Clarification of requirements for municipal and industrial dischargers.
    Document Type: Policy and Guidance Documents
    Date Published: 12/28/1988
  • Remand of the OCPSF Effluent Limitations Guidelines for Bis (2-Chloroisopropyl) ether
    Memorandum announcing that due to a partial remand on the organic chemicals effluent guideline, permit writers need to use their best professional judgement for writing permit limits for bis (2-chloroisopropyl) ether.
    Document Type: Policy and Guidance Documents
    Date Published: 11/30/1988
  • Sewage Disposal from Trains
    Clarifies that sewage disposal from trains is best addressed by the Rail Passenger Service Act, and not the Clean Water Act.
    Document Type: Policy and Guidance Documents
    Date Published: 11/08/1988
  • Release of Dioxin Treatability Study and Interim Control Measures for Regulating Dioxin Discharges from Pulp and Paper Mills
    Transmits preliminary reports that present results of EPA's bench scale wastewater treatability study in pulp and paper mill wastewaters.
    Document Type: Policy and Guidance Documents
    Date Published: 10/20/1988
  • Questions and Answers Regarding OCPSF Effluent Limitations Guidelines
    Memorandum providing frequently asked questions and answers related to the new effluent guideline for organic chemical plants.
    Document Type: Policy and Guidance Documents
    Date Published: 10/12/1988
  • Interim Strategy for the Regulation of Pulp and Paper Mill Dioxin Discharges to the Waters of the United States
    Interim strategy for the regulation of pulp and paper mill dioxin discharges.
    Document Type: Policy and Guidance Documents
    Date Published: 08/09/1988
  • Ambient Water Quality Criteria for Aluminum - 1988
    Revised criteria for water quality covering aluminum and the effects of aluminum found in a body of water.
    Document Type: Policy and Guidance Documents
    Date Published: 08/01/1988
  • Final Section 304(l) Implementation Guidance
    Guidance to EPA Regions and states on how to identify waters subject to listing under Clean Water Act section 304(l) and development of Individual Control Strategies for point sources discharging into these waters.
    Document Type: Policy and Guidance Documents
    Date Published: 03/17/1988
  • Final Guidance Implementation of Requirements Under Section 304(l) of the Clean Water Act as Amended
    Table of Contents only.
    Document Type: Policy and Guidance Documents
    Date Published: 03/01/1988
  • General Permit Program Guidance
    Centralized source of information about the general permit process.
    Document Type: Policy and Guidance Documents
    Date Published: 03/01/1988
  • Availability of State and Regional Toxics Control Strategies
    Index of state and regional toxics control strategies.
    Document Type: Policy and Guidance Documents
    Date Published: 02/22/1988
  • Effluent Guidelines For the OCPSF Industrial Category
    Interim guidance to permit authorities on the application of the new effluent guidelines for organic chemical and plastics and synthetics fibers (OCPSF) to NPDES permits.
    Document Type: Policy and Guidance Documents
    Date Published: 02/08/1988
  • State Water Quality-Based Quality Control Program Review Guidance
    Guidance for review of state toxics control programs. [Note: This activity was suspended following release of the 1991 Technical Support Document for Water Quality-based Toxics Control, and the promulgation of the National Toxics Rule on December 22, 1992.]
    Document Type: Policy and Guidance Documents
    Date Published: 12/01/1987
  • Plan for Resolution of Fundamentally Different Factors and Section 301(g) Variance Requests
    Memo outlining the plan to resolve FDFs and 301(g) variances
    Document Type: Policy and Guidance Documents
    Date Published: 09/25/1987
  • Industrial Permit Quality Review Procedures Guide, Draft
    Handbook on how to conduct industrial Permit Quality Reviews (PQRs), which were developed in 1983 by the EPA Office of Water Enforcement and Permits. PQR was designed to provide national information on permit contents and program operations. This information is necessary for responses to Congress, developing budget and resource requests, and to identify areas for guidance or training activities.
    Document Type: Policy and Guidance Documents
    Date Published: 09/01/1987
  • Implementation of Section 406 of the Water Quality Act of 1987: Sewage Sludge Permitting and State Programs
    Clarifies the 1987 amendments to the CWA and the impact to sewage sludge regulation and permitting.
    Document Type: Policy and Guidance Documents
    Date Published: 05/21/1987
  • Training Manual for NPDES Permit Writers
    Illustratation of the application of technical principles of the NPDES regulations. Table of contents only (EPA-833-B-93-003).
    Document Type: Policy and Guidance Documents
    Date Published: 05/01/1987
  • Guidance Manual for Reporting and Evaluating POTW Noncompliance
    Publication is not available electronically. For more information on ordering publications, go to http://www.epa.gov/owm/inpub.htm.

    Guidance to EPA regions and states on criteria for evaluating the principal POTW activities that are essential to fully implement most local pretreatment programs.
    Document Type: Policy and Guidance Documents
    Date Published: 04/16/1987

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  • Permit Writer's Guide to Water Quality-Based Permitting for Toxic Pollutants
    Step-wise procedures for use by NPDES permit writers faced with issuing water quality-based permits for toxic pollutants.
    Document Type: Policy and Guidance Documents
    Date Published: 02/20/1987
  • OW's Consultation of NPDES Permits for Solid Waste Discharge (MOA with Army)
    Memorandum to EPA regions requesting EPA Headquarters involvement in discussions related to discharge of NPDES residuals into wetlands
    Document Type: Policy and Guidance Documents
    Date Published: 02/01/1987
  • Municipal Permit Quality Review Procedures Guide
    Draft procedures for evaluating the quality of NPDES permits for POTWs.
    Document Type: Policy and Guidance Documents
    Date Published: 10/01/1986
  • NPDES State Program Guidance
    Guidance for development and review of State program applications and evaluation of State legal authorities. Volume One. (40 CFR Parts 122-125 and 403).
    Document Type: Policy and Guidance Documents
    Date Published: 07/29/1986
  • Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Kanawha River, Charleston, West Virginia
    Study report evaluating relationship of whole effluent toxicity to biological impacts in a freshwater system.
    Document Type: Case Studies
    Date Published: 07/01/1986
  • Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Back River, Baltimore Harbor, Maryland
    Study report evaluating relationship of whole effluent toxicity to biological impacts in a freshwater system.
    Document Type: Case Studies
    Date Published: 07/01/1986
  • Pretreatment Compliance Inspection and Audit Manual for Approval Authorities
    Approval for authorities' information on audits and inspections of approved local POTW pretreatment programs (EPA 833-B86-100).
    Document Type: Policy and Guidance Documents
    Date Published: 07/01/1986
  • Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Naugatuck River, Waterbury, Connecticut
    Study report evaluating relationship of whole effluent toxicity to biological impacts in a freshwater system.
    Document Type: Case Studies
    Date Published: 05/01/1986
  • Guidance on Advance Concurrence of the Assistant Administrator for Water on Selected Section 301(g) and Fundamentally Different Factors Variance Decisions under the Clean Water Act
    Guidance to EPA regions on how to determine in advance if concurrence is necessary for making decisions on variances from effluent guidelines.
    Document Type: Policy and Guidance Documents
    Date Published: 04/15/1986
  • Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Ohio River, Near Wheeling, West Virginia
    Study report evaluating relationship of whole effluent toxicity to biological impacts in a freshwater system.
    Document Type: Case Studies
    Date Published: 03/01/1986
  • Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Skeleton Creek, Enic, Oklahoma
    Study report evaluating relationship of whole effluent toxicity to biological impacts in a freshwater system. (EPA/600/8-86/002)
    Document Type: Case Studies
    Date Published: 03/01/1986
  • National Minor Permit Issuance Strategy
    Strategy aimed at reducing the minor permit backlog.
    Document Type: Policy and Guidance Documents
    Date Published: 02/20/1986
  • Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact on Five Mile Creek, Birmingham, Alabama
    Study report evaluating relationship of whole effluent toxicity to biological impacts in a freshwater system.
    Document Type: Case Studies
    Date Published: 12/01/1985
  • Permit Compliance System (PCS) Policy Statement
    Policy requiring EPA regional and state use of PCS for storage of NPDES information.
    Document Type: Policy and Guidance Documents
    Date Published: 10/31/1985
  • Guidance for NPDES Permits Issued to Steam Electric Power Plants
    Guidance to permit writers on establishing concentration or mass-based limits for steam electric power plants.
    Document Type: Policy and Guidance Documents
    Date Published: 08/22/1985
  • Public Notice of Tentative Section 301(g) Decisions and Draft NPDES Permits
    Reminder to states and Regional Offices of the proper procedures for public notice of draft NPDES permits while section 301(g) variance decisions are pending.
    Document Type: Policy and Guidance Documents
    Date Published: 08/01/1985
  • Clarification of Sampling Procedures for the VOA Fraction
    The Permits Division has received several inquiries about sampling procedures when data on volatile organic (VOA) toxic pollutants are required.
    Document Type: Policy and Guidance Documents
    Date Published: 07/31/1985
  • Implementation of the National Municipal Policy
    Publication is not available electronically. For more information on ordering publications, go to http://www.epa.gov/owm/inpub.htm.

    Expresses EPA's commitment to implementing the National Municipal Policy, which includes schedules of compliance for secondary treatment at POTWs not to exceed July 1, 1988.
    Document Type: Policy and Guidance Documents
    Date Published: 07/24/1985

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  • Toxicity Testing Requirements in Municipal Permits
    Procedures and rationale for toxics control.
    Document Type: Policy and Guidance Documents
    Date Published: 07/24/1985
  • Applicability of Categorical Pretreatment Standards to Industrial Users of Non-Discharging POTWs
    Guidance clarifying that industrial users discharging to POTWs that do not discharge are still subject to national categorical pretreatment standards.
    Document Type: Policy and Guidance Documents
    Date Published: 06/27/1985
  • NPDES Permitting Process for Oil and Gas Activities on the Outer Continental Shelf
    Guidance on the NPDES permitting process and general permitting strategy for offshore oil and gas activities, prepared under the Memorandum of Understanding between EPA and the Minerals Management Service of the Department of the Interior.
    Document Type: Policy and Guidance Documents
    Date Published: 06/18/1985
  • Validity of Effluent and Ambient Toxicity Tests for Predicting Biological Impact, Scippo Creek, Circleville, Ohio
    Study report evaluating relationship of whole effluent toxicity to biological impacts in a freshwater system.
    Document Type: Case Studies
    Date Published: 06/01/1985
  • Judicial Officer's Decision on Part 124 Proceedings
    Guidance that when both legal and factual issues arise in an evidentiary hearing, and the EPA region grants the hearing on the factual issues, that the legal issues must also be heard by the administrative law judge.
    Document Type: Policy and Guidance Documents
    Date Published: 04/12/1985
  • Signatories to Department of Defense Permit Applications
    Memorandum identifying who must sign permit applications submitted for Department of Defense facilities, including NPDES permits.
    Document Type: Policy and Guidance Documents
    Date Published: 01/25/1985
  • Ambient Water Quality Criteria for Lead - 1984
    Revision of proposed water quality criteria and covers lead and the effects of lead found in a body of water.
    Document Type: Policy and Guidance Documents
    Date Published: 01/02/1985
  • Calculation of Production-Based Effluent Limits
    Clarification on the procedure for calculating production-based effluent limitations and to provide guidance on the use of alternate limitations.
    Document Type: Policy and Guidance Documents
    Date Published: 12/18/1984
  • Development of Sediment Criteria
    EPA's authority to develop sediment criteria.
    Document Type: Policy and Guidance Documents
    Date Published: 10/25/1984
  • Technical Guidance Manual for the Regulations Promulgated Pursuant to Section 301(g) of the Clean Water Act of 1977 and 40 CFR Part 125 (Subpart F)
    Guidance to EPA Regions and states on how to conduct the technical analysis required in support of Section 301(g) variances to effluent guidelines. Assistance for applicants in developing best available technology economically achievable (BAT) effluent limitations for non-conventional pollutants (CWA s.301(g)).
    Document Type: Policy and Guidance Documents
    Date Published: 08/22/1984
  • Draft Guidance for Application and Review of Section 301(c) Variance Requests
    Guidance document to assist applicants in completing requests for 301(c) variances and assists EPA Regions and states in reviewing the requests.
    Document Type: Policy and Guidance Documents
    Date Published: 08/21/1984
  • Effluent and Ambient Toxicity Testing and Instream Community Response on the Ottawa River, Lima, Ohio
    Study report evaluating relationship of whole effluent toxicity to biological impacts in a freshwater system
    Document Type: Case Studies
    Date Published: 08/01/1984
  • Transmittal of Draft Technical Support Document
    Transmittal letter for the latest draft of EPA's Technical Support Document for Water Quality-Based Toxics Control.
    Document Type: Policy and Guidance Documents
    Date Published: 07/01/1984
  • Eligibility for Variances under Section 301(i)(1) of the CWA
    Legal opinion on issues related to the eligibility of publicly owned treatment works for compliance extensions under Section 301(i)(1) of the Clean Water Act.
    Document Type: Policy and Guidance Documents
    Date Published: 04/11/1984
  • Letter to Water Works Operators Association
    Publication is not available electronically. For more information on ordering publications, go to http://www.epa.gov/owm/inpub.htm.

    Letter explaining that NPDES has jurisdiction over discharges from water treatment plants, and explaining that BCT and BPT are the appropriate technological standards for these discharges.
    Document Type: Policy and Guidance Documents
    Date Published: 03/16/1984

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  • Policy for the Development of Water Quality-Based Permit Limitations for Toxic Pollutants, 1984
    Toxic and non-conventional pollutants from industrial and municipal sources.
    Document Type: Policy and Guidance Documents
    Date Published: 02/03/1984
  • Continuance of NPDES General Permits Under the APA, 1984 (Administrative Procedure Act)
    General permits can be administratively extended under the Administrative Procedures Act, but expressing that this is not EPA's preferred mode of action.
    Document Type: Policy and Guidance Documents
    Date Published: 01/16/1984
  • Federal Register (FR) Publication Requirements for Draft and Final General NPDES Permits
    Format requirements for NPDES permits.
    Document Type: Policy and Guidance Documents
    Date Published: 01/16/1984
  • OMB Decision to Not Review All NPDES General Permits
    Publication is not available electronically. For more information on ordering publications, go to http://www.epa.gov/owm/inpub.htm.

    Letter from OMB agreeing to exempt from OMB review general permits, conditioned upon ability to withdraw exemption for any particular permit.
    Document Type: Policy and Guidance Documents
    Date Published: 11/03/1983

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  • Review of Memorandum Regarding Draft Procedures for Processing Fundamentally Different Factors Variances for Direct and Indirect Dischargers
    Proposed procedures on variances and time extensions available under the Clean Water Act.
    Document Type: Policy and Guidance Documents
    Date Published: 10/11/1983
  • Procedures Manual for Reviewing a POTW Pretreatment Program Submission
    Guidance to EPA Regions and states on how to review local POTWs pretreatment program submissions.
    Document Type: Policy and Guidance Documents
    Date Published: 10/01/1983
  • Final Procedures for the Review of Draft and Final General NPDES Permits
    Final review procedures for draft and final general NPDES permits.
    Document Type: Policy and Guidance Documents
    Date Published: 09/27/1983
  • Example Language for Modifying NPDES Permits for Pretreatment Approval
    Guidance to permit authorities on what language to include in NPDES permits to require a POTW to administer a pretreatment program.
    Document Type: Policy and Guidance Documents
    Date Published: 09/22/1983
  • Letter to Mr. Robert Bedell
    Letter to Mr. Robert Bedell, Deputy Administrator, Office of Management and Budget, from Bruce R. Barrett, EPA regarding exemption from review requirements of EO 12291 for NPDES General Permits.
    Document Type: Policy and Guidance Documents
    Date Published: 08/08/1983
  • EPA's Authority to Issue NPDES General Permits in Approved NPDES States
    Memorandum explaining that EPA has no authority to issue general permits in authorized states, where the state has yet to receive authority to issue general permits. The memorandum also explains that EPA has authority over federal facilities even if a state has been approved to administer the NPDES program.
    Document Type: Policy and Guidance Documents
    Date Published: 07/11/1983
  • Procedures for Processing Fundamentally Different Factor Variances
    Questions have recently been raised concerning the procedures for processing fundamentally different factors (FDF) variances. The NPDES regulations at 40 CFR 124.62-124.63 contain the procedures for processing variances. A copy of these provisions is attached.
    Document Type: Policy and Guidance Documents
    Date Published: 06/01/1983
  • Section 301(g) Variance Requests
    Guidance for handling 301(g) variance requests.
    Document Type: Policy and Guidance Documents
    Date Published: 05/17/1983
  • Representative Sampling in NPDES Permits
    Expresses importance of clear expressions of monitoring locations in NPDES permits, and offering recommended permit language for such.
    Document Type: Policy and Guidance Documents
    Date Published: 05/06/1983
  • Federal Register Publication Costs of EPA-Issued General NPDES Permits
    Minimum statutory and regulatory public notice requirements for issuing draft and final general permits.
    Document Type: Policy and Guidance Documents
    Date Published: 04/04/1983
  • Statutory Deadlines for Compliance by Publicly Owned Treatment Works under the Clean Water Act
    Memo regarding statutory deadlines affected by the amendments to the CWA
    Document Type: Policy and Guidance Documents
    Date Published: 03/04/1983
  • Criteria for Reviewing Leather Tanning Sulfide Waiver Applications
    Memorandum transmitting criteria for reviewing sulfide waiver applicants from leather tanners, consistent with the national pretreatment categorical standards.
    Document Type: Policy and Guidance Documents
    Date Published: 01/13/1983
  • Fundamentally Different Factors Variances for Iron and Steel Facilities
    Procedures for wholly disproportionate costs for fundamentally different factors variance requests by iron and steel facilities.
    Document Type: Policy and Guidance Documents
    Date Published: 01/07/1983
  • Application Requirements for Modification Under Sections 301(c) and 301(g) of the Clean Water Act
    Publication is not available electronically. For more information on ordering publications, go to http://www.epa.gov/owm/inpub.htm.

    EPA Regions may need to extend the date for submitting variance requests because there many not be sufficient time during the permit comment period to collect and submit this information.
    Document Type: Policy and Guidance Documents
    Date Published: 12/29/1982

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  • Applicability of General Permits to New Sources
    Procedures to be followed if a general permit is to cover new sources. General permits can include new sources, but only after NEPA requirements are fulfilled.
    Document Type: Policy and Guidance Documents
    Date Published: 12/21/1982
  • Protocol for Determining Economic Achievability for NPDES Permits
    Contains the protocols and worksheets for determining economic achievability when establishing best available technology economically achievable (BAT) on a case-by-case basis in NPDES Permits. Includes worksheets and important analysis information.
    Document Type: Policy and Guidance Documents
    Date Published: 08/12/1982
  • Revised NPDES Second Round Permits Policy
    Policy establishing five priorities for permit issuance, and requiring permit issuance by September 30, 1983. Revision to policy for issuing permits that implement BAT. [Note: This policy was later revised and expired September 30, 1983.]
    Document Type: Policy and Guidance Documents
    Date Published: 06/02/1982
  • Determining Whether Revisions to State NPDES Programs Made To Authorize The Issuance Of General Permits Are Substantial
    Revisions to state NPDES programs.
    Document Type: Policy and Guidance Documents
    Date Published: 02/21/1981
  • NPDES Permit Issuance for Pulp and Paper Facilities with BCT Limitations to Other Facilities
    Memorandum discussing the position EPA has taken on the regulation of the Pulp and Paper Industrial Point Source Category, to examine methods for issuance of permits to facilities in that category and the issuance of permits with BCT limitations to secondary categories other than the pulp and paper.
    Document Type: Policy and Guidance Documents
    Date Published: 02/15/1981
  • Procedures For Processing Plans of Approved NPDES States To Implement NPDES General Permit Programs
    Uniform procedures for authorizing approved NPDES states to implement general permit programs.
    Document Type: Policy and Guidance Documents
    Date Published: 12/31/1980
  • Review of State NPDES Permits Written Prior to State Program Revision
    Applicability of certain requirements contained in the consolidated permit regulations.
    Document Type: Policy and Guidance Documents
    Date Published: 12/24/1980
  • The Use of State Permitting Systems During Phase I Interim Authorization Which Are Not Based on Explicit Regulatory Standards
    Issues of state hazardous waste programs.
    Document Type: Policy and Guidance Documents
    Date Published: 10/17/1980
  • Interim Authorization of Programs Based on emergency State Regulations
    Publication is not available electronically. For more information on ordering publications, go to http://www.epa.gov/owm/inpub.htm.

    Memorandum pertaining to RCRA program expressing limited conditions under which a state could receive interim authorization to issue permits. Although this was issued for the RCRA program, the concept could apply to NPDES.
    Document Type: Policy and Guidance Documents
    Date Published: 10/03/1980

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  • Establishment of RCRA "Program Implementation Guidance System (PIGS)"
    Establishment of a system to provide directives regarding program implementation.
    Document Type: Policy and Guidance Documents
    Date Published: 10/03/1980
  • NPDES Evidentiary Hearing Management Program
    Procedures for evidentiary management program.
    Document Type: Policy and Guidance Documents
    Date Published: 10/03/1980
  • RCRA Permit Priorities Guidance
    Priorities for processing RCRA permits.
    Document Type: Policy and Guidance Documents
    Date Published: 10/03/1980
  • Short-Term Financial Assistance for States Expected to Receive Authorization Before January 1, 1981
    Issues of financial assistance to states where the Region expects to issue interim authorization between Nov. 19, 1980 and Jan. 1, 1981.
    Document Type: Policy and Guidance Documents
    Date Published: 10/03/1980
  • BCT Cost Test Guidance
    The Clean Water Act requires a candidate BCT treatment to be compared to treatment by publicly owned treatment works (POTWs) on the basis of coast of effluent reductions for conventional pollutants. This guide includes the EPA's methodology for making the comparison between these POTWs removal costs for conventional pollutants and industrial removal costs.
    Document Type: Policy and Guidance Documents
    Date Published: 09/30/1980
  • Suspension of Consolidated Permit Regulation Establishing Criteria for NPDES New Source Determinations and Proposed Revision of the Regulation
    Announcement of suspension of NPDES regulations pertaining to new sources, and proposal of revision. [Note: This memorandum is obsolete when the changes were promulgated on September 26, 1984.]
    Document Type: Policy and Guidance Documents
    Date Published: 09/25/1980
  • NPDES Permit Issuance For Iron and Steel Facilities
    Memorandum directing EPA regions to not issue permits to iron and steel facilities until the effluent guideline is promulgated, and suggestion to States to do the same. [Note: This memorandum became obsolete upon the May 27, 1982, promulgation of the effluent guideline.]
    Document Type: Policy and Guidance Documents
    Date Published: 09/15/1980
  • Consolidated Permit Regulations
    Suspension of a portion of the definition of the term "waters of the United States" in the Consolidated Permit Regulations pending further rulemaking. 40 CFR Part 122
    Document Type: Policy and Guidance Documents
    Date Published: 07/16/1980
  • Suspension of Portion of Definition of "Waters of the United States" in Consolidated Permit Regulations - Action Memorandum
    Suspending a provision of the Consolidated Permit Regulations.
    Document Type: Policy and Guidance Documents
    Date Published: 07/15/1980
  • Major Municipal Permitting in FY 81
    Memorandum requesting priority on issuing permits to municipalities rather than industries for fiscal year 1981.
    Document Type: Policy and Guidance Documents
    Date Published: 07/10/1980
  • Writing NPDES BAT Permits in the Absence of Promulgated Effluent Guidelines
    Expresses need to reissue NPDES permits implementing BAT although effluent guidelines have not been developed, and initial guidance on how to write such permits using best professional judgement.
    Document Type: Policy and Guidance Documents
    Date Published: 06/25/1980
  • Treatability Manual, Volume I - Treatability Data
    Preface and Acknowledgements for the Treatability Manual. Series of EPA guidance manuals on the treatability of priority pollutants. Guidance is often used by permit writers when establishing permit limits using best professional judgement. Vol.1(EPA 800/8-80-042A; ERIC W754; NTIS PB80-223050), Vol.2 (EPA 800/
    Document Type: Policy and Guidance Documents
    Date Published: 06/23/1980
  • Incorporation of Pretreatment Program Compliance Schedules Into POTW's Permits
    Re-emphasizes the importance of incorporating pretreatment compliance schedules into appropriate permits at the earliest possible time.
    Document Type: Policy and Guidance Documents
    Date Published: 06/05/1980
  • Statement by Agency Personnel Purporting to Sanction Source Actions Which Are Inconsistent With Statutory Requirements
    Publication is not available electronically. For more information on ordering publications, go to http://www.epa.gov/owm/inpub.htm.

    Restates EPA's policy that employees cannot make formal or informal commitments to refrain from taking enforcement action or sanction activities that violate statutory or regulatory requirements administered by EPA.
    Document Type: Policy and Guidance Documents
    Date Published: 05/28/1980

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  • Use of BOD5 Carbonaceous Test Results to Determine Compliance with NPDES Permits Based on Secondary Treatment Requirements
    Secondary treatment requirements.
    Document Type: Policy and Guidance Documents
    Date Published: 03/10/1980
  • Incorporation of Pretreatment Program Development Compliance Schedules Into POTW NPDES Permits
    Re-emphasizes the importance of incorporating pretreatment compliance schedules into appropriate permits at the earliest possible time.
    Document Type: Policy and Guidance Documents
    Date Published: 01/28/1980
  • Applicability of Revised NPDES Regulations to Permits Currently Being Processed
    States when new NPDES regulations must be used for permits being developed. The memorandum allows use of existing regulations when the regulations become effective after the public notice of a permit.
    Document Type: Policy and Guidance Documents
    Date Published: 01/18/1980
  • Regional Review of State-Issued NPDES Permits
    Clarification on review of NPDES permits.
    Document Type: Policy and Guidance Documents
    Date Published: 01/18/1980
  • Guidance on Setting BCT Permit Limits for Breweries under Section 402(a) of CWA
    Publication is not available electronically. For more information on ordering publications, go to http://www.epa.gov/owm/inpub.htm.

    Guidance to permit authorities for establishing BCT permit limits for breweries using best professional judgement.
    Document Type: Policy and Guidance Documents
    Date Published: 10/18/1979

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  • National Municipal Policy & Strategy For Construction Grants, NPDES Permits, and Enforcement Under the Clean Water Act
    Policy for assuring POTWs implement secondary treatment as quickly as possible.
    Document Type: Policy and Guidance Documents
    Date Published: 10/01/1979
  • EPA Procedures for Review and Approval of State Pretreatment Program Submissions
    Memo regarding EPA approval of state pretreatment program plans.
    Document Type: Policy and Guidance Documents
    Date Published: 04/30/1979
  • State Pretreatment Programs
    Memo regarding implementation of pretreatment programs by EPA and the states
    Document Type: Policy and Guidance Documents
    Date Published: 04/12/1979
  • Office of General Counsel (OGC) Memorandum
    Legal opinion concerning the inclusion of compliance schedules in Second Round and new permits.
    Document Type: Policy and Guidance Documents
    Date Published: 01/19/1979
  • Use of Biomonitoring in the NPDES Permit Program
    Legal memorandum explaining that EPA has the authority to require biomonitoring and establish non-effluent guideline limitations for toxics in NPDES permits.
    Document Type: Policy and Guidance Documents
    Date Published: 01/11/1979
  • Request for Legal Opinion - Inclusion of Compliance Schedules in Second Round and New Permits
    Publication is not available electronically. For more information on ordering publications, go to http://www.epa.gov/owm/inpub.htm.

    Legal opinion allowing the use of compliance schedules for revised BAT and water quality standards. [Note: This is modified by Starkist Caribe decision of 1990.]
    Document Type: Policy and Guidance Documents
    Date Published: 12/26/1978

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  • Explanation of Procedural/Funding Requirements for State Pretreatment Programs: Document C
    POTW pretreatment programs.
    Document Type: Policy and Guidance Documents
    Date Published: 11/29/1978
  • Transfer of Authority Over Federal Facilities to NPDES States - Guidance Memorandum
    Guidance on authorizing states to issue NPDES permits to federal facilities. Uniform method for processing transfers of authority.
    Document Type: Policy and Guidance Documents
    Date Published: 11/28/1978
  • Transfer of NPDES Federal Facilities Program Authority Under Section 313 of the Clean Water Act to the State of Michigan: Action Memorandum
    Information on NPDES program authority for Federal Facilities being transferred to the state of Michigan.
    Document Type: Policy and Guidance Documents
    Date Published: 10/27/1978
  • Promulgation of regulations implementing section 301(j), 301(c), and 301(g) waivers.
    Publication is not available electronically. For more information on ordering publications, go to http://www.epa.gov/owm/inpub.htm.

    Notification that EPA has promulgated regulations implementing section 301(j), 301(c), and 301(g) waivers, and clarification that only EPA can grant these waivers.
    Document Type: Policy and Guidance Documents
    Date Published: 09/12/1978

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  • Applicability of Section 301(h) and (i) Modifications to Federal Facilities
    Legal opinions on the status of federal facilities under the Clean Water Act.
    Document Type: Policy and Guidance Documents
    Date Published: 09/12/1978
  • Guidance to States on Assessing Existing Abilities to Implement a State Pretreatment Program and Preparing October 10, 1978, Submission to EPA
    Guidance to states for developing evaluation of their abilities to implement a state pretreatment program.
    Document Type: Policy and Guidance Documents
    Date Published: 09/08/1978
  • Innovative Technology Extensions Under Section 301(k) of Clean Water Act; Effect of Sections 301(j) and (l)
    Extensions under section 301(k) of the Clean Water Act. Clarifies the granting of innovative technology extensions for toxic pollutants.
    Document Type: Policy and Guidance Documents
    Date Published: 09/06/1978
  • Suspended Solids Effluent Limitations for Publicly Owned Wastewater Treatment Ponds Followed by Other Treatment Elements
    Policy stating when the secondary treatment requirement for total suspended solids can be adjusted.
    Document Type: Policy and Guidance Documents
    Date Published: 09/01/1978
  • Ex Parte Contacts in EPA Rulemaking
    Memorandum which sets forth the guidelines that all EPA employees should follow in discussing the merits of proposed rules with interested persons outside the Agency during the period between proposal and promulgation.
    Document Type: Policy and Guidance Documents
    Date Published: 08/04/1978
  • Policies for Reissuing Industrial NPDES Permits
    Policies and guidance on industrial NPDES permits.
    Document Type: Policy and Guidance Documents
    Date Published: 07/12/1978
  • Ex Parte Contacts in Adjudicatory Hearings
    Publication is not available electronically. For more information on ordering publications, go to http://www.epa.gov/owm/inpub.htm.

    Limits contact among EPA employees involved in preparing and issuing NPDES decisions, and persons outside EPA.
    Document Type: Policy and Guidance Documents
    Date Published: 06/16/1978

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  • Opinions on Variances in Second Round NPDES Permits and Other Issues
    Guidance on granting variances to BAT requirements.
    Document Type: Policy and Guidance Documents
    Date Published: 06/13/1978
  • Reissuing NPDES Permits to Sources Affected by the NRDC Consent Agreement
    Guidance on reissuing permits.
    Document Type: Policy and Guidance Documents
    Date Published: 05/16/1978
  • Certification and Permitting of Dischargers Located on Water Forming Boundaries between States
    Information on permitting and dischargers on water boundaries between states. Legal memorandum stating that the state in which the discharge is located is the state authorized to make a 401 certification.
    Document Type: Policy and Guidance Documents
    Date Published: 04/19/1978
  • Confidentiality of NPDES Permit Application
    Legal decision that NPDES permits and permit applications are public documents and not subject to confidential business information requirements.
    Document Type: Policy and Guidance Documents
    Date Published: 04/06/1978
  • State Regulation on Federal Facilities under the Federal Water Pollution Control Act Amendments of 1977 (Clean Water Act) Policy Guidance Memorandum
    Information on the recent amendments to the FWPCA.
    Document Type: Policy and Guidance Documents
    Date Published: 03/10/1978
  • Policy Regarding the Inclusion in Permits of Effluent Parameters More Stringent Than or Additional to Those Based on Secondary Treatment or Effluent Guidelines
    Information on the secondary treatment standard (municipal dischargers) and effluent guidelines (non-municipal dischargers).
    Document Type: Policy and Guidance Documents
    Date Published: 10/13/1977
  • Project Regarding Procedures for Fundamentally Different Factor BPT Variances
    Information regarding the fundamentally different factors (FDR) variance request during the past year.
    Document Type: Policy and Guidance Documents
    Date Published: 08/18/1977
  • Policy Regarding Procedures for FDF BPT Variances
    Publication is not available electronically. For more information on ordering publications, go to http://www.epa.gov/owm/inpub.htm.

    Outlines interim procedures for processing FDF variances, until such time regulations are promulgated. [Note: Procedures became superseded by promulgation of the regulations on June 7, 1979, and subsequent revisions to EPA's delegation of signature author
    Document Type: Policy and Guidance Documents
    Date Published: 08/17/1977

      (This file is not currently available for download)

  • Implementation of Section 403 of the FWPCA
    Information from the National Wildlife Federation on Section 403 of the FWPCA. Clarifies that ocean discharge regulations at 40 CFR 227 no longer apply to discharges to oceans, and that the criteria in CWA section 403(c) must instead be used.
    Document Type: Policy and Guidance Documents
    Date Published: 07/20/1977
  • NPDES Permits in Wetlands Areas
    Information on the guidance concerning the creation of a sanitary landfill in a wetland.
    Document Type: Policy and Guidance Documents
    Date Published: 07/11/1977
  • Enforcement Policy and the Use of Enforcement Compliance Schedule Letters (ECSLs) for Publicly Owned Treatment Works (POTWs)
    Information on the EPA municipal dischargers. Clarifies that enforcement compliance schedule letters are only applicable to certain POTWs.
    Document Type: Policy and Guidance Documents
    Date Published: 06/22/1977
  • Enforcement Against Industrial Dischargers Scheduled to Discharge to Presently Unavailable Publicly Owned Treatment Works
    Document Type: Policy and Guidance Documents
    Date Published: 06/03/1977
  • Implementation of Promulgated Section 307(a) Toxic Standards
    Clarifies implementation of newly promulgated toxics standards for aldrin, dieldrin, benzidine, DDT, endrin, toxaphene, and PCBs.
    Document Type: Policy and Guidance Documents
    Date Published: 06/01/1977
  • Use of Enforcement Compliance Schedule Letters Past July 1, 1977
    Expands upon previous memoranda on this subject regarding use of enforcement compliance schedule letters issued after July 1, 1977.
    Document Type: Policy and Guidance Documents
    Date Published: 05/11/1977
  • NPDES Permits and Requirements of State Law
    NPDES permits to federal facilities must conform with state water quality management plans, but that the permits do not need to be immediately modified to include recent revisions to such plans.
    Document Type: Policy and Guidance Documents
    Date Published: 05/04/1977
  • Use of In-stream Mechanical Aerators to Meet Water Quality Standards
    Information on the use of in-stream aerators to meet water quality standards. Recommends that the use of instream aerators not be considered analogous to low flow augmentation.
    Document Type: Policy and Guidance Documents
    Date Published: 05/02/1977
  • Interagency 316(a) Technical Guidance Manual and Guide for Thermal Effects Section of Nuclear Facilities Environmental Impact Statements
    This manual describes the information which should be developed and evaluated in connection with making technical determinations under Section 316(a) of the Federal Water Pollution Control Act, as amended. FWPCA requires EPA to establish effluent limitations for use in permits for the discharge of pollutants to U.S. waters from point sources such as nuclear power plants.
    Document Type: Policy and Guidance Documents
    Date Published: 05/01/1977
  • Enforcement of 1977 Deadline Violations Against Major Industrial Dischargers
    July 1, 1997 is the date which compliance must be achieved with the requirements of State water quality standards and the requirements of best practicable control technology currently available (BPT) for industrial dischargers.
    Document Type: Policy and Guidance Documents
    Date Published: 04/27/1977
  • Water Treatment Plant Limitations
    EPA has reviewed a proposed regional policy on industrial and municipal water treatment plant permit limitations.
    Document Type: Policy and Guidance Documents
    Date Published: 04/13/1977
  • Additional Questions on Enforcement Compliance Schedule Letters
    Response to transmitting "Additional Suggested Questions on Enforcement Compliance Schedule Letters." Further clarification on the use of enforcement compliance schedule letters.
    Document Type: Policy and Guidance Documents
    Date Published: 04/01/1977
  • Fecal Coliform Bacteria Limits
    This guidance is intended to simplify the procedure for assigning effluent limitations for indicator organisms so that a transition from effluent based to water quality based requirements will be both efficient and effective.
    Document Type: Policy and Guidance Documents
    Date Published: 02/14/1977
  • Clarification of OGC Opinion No. 40 (State Review Authority)
    Legal memorandum clarifying that states have the same authority as EPA Regions in considering the economic impact of technology based effluent limits, when establishing these limits using best professional judgement.
    Document Type: Policy and Guidance Documents
    Date Published: 02/04/1977
  • Questions Regarding the Policy and Procedures for Enforcement Compliance Schedule Letters,
    Information on the June 3, 1976 issue with the enforcement actions against municipal and industrial dischargers failing to meet the July 1, 1977 statutory deadlines and procedures for issuing enforcement Compliance Schedule Letters (ECSL's).
    Document Type: Policy and Guidance Documents
    Date Published: 12/10/1976
  • Use of Low Flow Augmentation by Point Sources to Meet Water Quality Standards
    EPA's policy discouraging use of flow augmentation as an alternative to treatment for meeting water quality standards.
    Document Type: Policy and Guidance Documents
    Date Published: 11/08/1976
  • Asbestos Limits in NPDES Permits
    Suggested approach for including permit limits for asbestos.
    Document Type: Policy and Guidance Documents
    Date Published: 10/15/1976
  • Phase II Iron Steel Effluent Guidelines Mahoning River Valley
    Information on EPA announcement and decision to exempt steel-making facilities in Mahoning River Valley region of Ohio from nationwide BPT effluent limitations.
    Document Type: Policy and Guidance Documents
    Date Published: 10/04/1976
  • Impact of Phase I Basin Plans on NPDES Permits
    Information from the Office of General Counsel addressing the impact of Phase I Basin Plans on NPDES permits.
    Document Type: Policy and Guidance Documents
    Date Published: 09/01/1976
  • American Petroleum Institute vs. EPA - Effluent Guidelines for Petroleum Refining: Information Management
    Information on the refining and the petroleum industry and limitations. Memorandum summarizing a court decision upholding EPA's statistical methodology for effluent guidelines and method of assessing cost of regulations. There is a reference to storm water which has become moot with the 1987 Water Quality Act.
    Document Type: Policy and Guidance Documents
    Date Published: 08/24/1976
  • Binding Effects of 303(e) Basin Plans
    Questions and answers of the applicability of section 303(e) water quality management plans on NPDES permits.
    Document Type: Policy and Guidance Documents
    Date Published: 08/24/1976
  • Municipal Wastewater Treatment Ponds
    Guidance on permitting and enforcement activities related to implementing the new regulation allows municipal wastewater treatment ponds to satisfy secondary treatment requirements.
    Document Type: Policy and Guidance Documents
    Date Published: 08/12/1976
  • Coordination Between NPDES Program and Water Quality Management Planning Program
    Policy describing the coordination between the water quality management and NPDES permits programs.
    Document Type: Policy and Guidance Documents
    Date Published: 07/07/1976
  • Enforcement Actions Against a Municipal Discharger who Fails to Meet the July 1, 1977 Statutory Deadline for Achieving Secondary Treatment
    Describes how EPA will enforce the July 1, 1977 deadline for compliance with secondary treatment.
    Document Type: Policy and Guidance Documents
    Date Published: 06/03/1976
  • Enforcement Actions Where an Industrial Discharger fails to meet the July 1, 1977, Statutory Deadline for Achieving Best Practicable Control Technology or Other Applicable Effluent Limitations
    Describes how EPA will enforce the July 1, 1977 deadline for compliance with best practicable control technology and other statutory requirements.
    Document Type: Policy and Guidance Documents
    Date Published: 06/03/1976
  • Procedures for Issuance of Enforcement Compliance Schedule Letters
    Information on enforcement compliance schedule letters (ECSL).
    Document Type: Policy and Guidance Documents
    Date Published: 06/03/1976
  • NPDES Permit Authorization to Discharge
    Information on the request of whether an NPDES Permit constitutes an authorization to discharge only specific parameters limited or monitored in the permit of a general authorization.
    Document Type: Policy and Guidance Documents
    Date Published: 04/28/1976
  • Coordination Between the NPDES permit program and Water Quality Planning and Management Under Section 208 and 303
    Information on the relationship between the NPDES Permit program and the Water Quality Management Plan.
    Document Type: Policy and Guidance Documents
    Date Published: 04/02/1976
  • Application of Electroplating Guidelines to NPDES Permits
    Guidance on the application of effluent guidelines for electroplating. [Note: Guidance made obsolete by revision of effluent guidelines on January 28, 1981.]
    Document Type: Policy and Guidance Documents
    Date Published: 08/28/1974
  • Additional Guidance for Petroleum Marketing Terminals and Oil Production Facilities
    Information and guidance for establishing monitoring for petroleum marketing terminals. Explains that oil and grease monitoring for petroleum marketing terminals and oil production facilities cannot use instantaneous maximum limits but must rather use daily maximum limits.
    Document Type: Policy and Guidance Documents
    Date Published: 07/18/1974
  • Alternative in Permit Language
    Provides permit language for the definitions of the daily maximum and daily average permit limits.
    Document Type: Policy and Guidance Documents
    Date Published: 12/27/1973
  • Intermittent Streams
    Information concerning issuance of permits and establishment of water quality standards for intermittent streams.
    Document Type: Policy and Guidance Documents
    Date Published: 09/28/1973
  • NPDES Permit Form
    Memorandum outlines prescribed form for NPDES permits. Information on content and layout of forms to be utilized for all industrial and most other non-municipal dischargers.
    Document Type: Policy and Guidance Documents
    Date Published: 09/18/1973
  • Policy on Storage and Releases for Water Quality Control in Reservoirs Planned by Federal Agencies
    Policy statement that storage of water for the regulation of streamflow shall not be considered as a substitute for providing adequate treatment. [Note: Policy later incorporated into regulations at 40 CFR 123.3(f).]
    Document Type: Policy and Guidance Documents
    Date Published: 01/16/1973
  • Draft Notification Letter to Petroleum Refineries
    Draft letter that EPA may notify selected refineries and request that the refineries provide certain existing and new information on their facilities and the occurrence of chlorinated dibenzo-p-dioxins and chlorinated dibenzofurans (CDDs and CDFs).
    Document Type: Policy and Guidance Documents
    Date Published: Unknown
  • Water Permitting 101
    This paper will present a brief history and introduction to the national water pollution control permitting program as administered by the United States Environmental Protection Agency (EPA) and provide an overview of the permitting activities implemented through the NPDES program today.
    Document Type: Factsheets and Outreach Materials
    Date Published: Unknown
  • NPDES Discharge Monitoring Report (DMR) Form
    Form used by NPDES stormwater permittees to submit analytical monitoring results to the appropriate NPDES permitting authority.
    Document Type: Permit Applications and Forms
    Date Published: Unknown
  • Interim Guidance on Implementation of Section 402(o) Anti-backsliding Rules for Water Quality-Based Permits
    Section 402(o) of CWA establishes anti-backsliding rules governing two situations.
    Document Type: Policy and Guidance Documents
    Date Published: Unknown
  • Workshop on Aquatic Life Criteria for Metals Short Term Recommendations
    Recommendations from Jan. 25, 1993 workshop on aquatic life criteria for metals.
    Document Type: Policy and Guidance Documents
    Date Published: Unknown
  • Downloadable Treatability Database
    Helps permit writers develop best professional judgement (BPJ) limitations, as referenced in the Permit Writers' Training Course.
    Document Type: Policy and Guidance Documents
    Date Published: Unknown

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Last updated on January 03, 2008 2:23 PM
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