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Water Quality-Based Permitting
Publications
- 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
- 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
- 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
- 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
- Asbestos Limits in NPDES Permits
Suggested approach for including permit limits for asbestos.
Document Type:
Policy and Guidance Documents
Date Published:
10/15/1976
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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)
- 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
- Development of Sediment Criteria
EPA's authority to develop sediment criteria.
Document Type:
Policy and Guidance Documents
Date Published:
10/25/1984
- 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
- 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
- Effluent Trading in Watersheds
Policy statement communicating EPA policy on effluent trading.
Document Type:
Policy and Guidance Documents
Date Published:
01/01/1996
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- Options Developed at the September 1996 WET Meeting
Document Type:
Factsheets and Outreach Materials
Date Published:
10/01/1996
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
(This file is not currently available for download)
- 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
- 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
- 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
- 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
- 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
- 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
- Stay Granted in Star-Kist Caribe
Stay of order on petition for reconsideration.
Document Type:
Policy and Guidance Documents
Date Published:
09/21/1990
- 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
- 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
- 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
- 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
- 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
- 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
- Toxicity Testing Requirements in Municipal Permits
Procedures and rationale for toxics control.
Document Type:
Policy and Guidance Documents
Date Published:
07/24/1985
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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, 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
- 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, 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
- 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
- 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
- Part 1: Fundamentals (508-Compliant Version)
[Click here to view in PDF format
- 4,875KB ]
- Part 2: Appendices (508-Compliant Version)
[Click here to view in PDF format
- 7,994KB ]
- Cover, Title Page, Acknowledgements, Abbreviations and Acronyms, Executive Summary, and Water Quality Trading Fundamentals
[Click here to view in PDF format
- 1,717KB ]
- Single Point Source - Single Point Source Trading Scenario
[Click here to view in PDF format
- 450KB ]
- Multiple Facility Point Source Trading Scenario
[Click here to view in PDF format
- 686KB ]
- Point Source Credit Exchange Trading Scenario
[Click here to view in PDF format
- 497KB ]
- Point Source - Nonpoint Source Trading Scenario
[Click here to view in PDF format
- 1,225KB ]
- Nonpoint Source Credit Exchange Trading Scenario
[Click here to view in PDF format
- 869KB ]
- Glossary
[Click here to view in PDF format
- 97KB ]
- References
[Click here to view in PDF format
- 72KB ]
- Appendix A: Water Quality Trading Program Fact Sheets
[Click here to view in PDF format
- 1,089KB ]
- Rahr Malting Company Point-Nonpoint Source Trading Summary (Appendix A)
[Click here to view in PDF format
- 650KB ]
- Rahr Malting Company Nonpoint Source Crediting Calculations (Appendix A)
[Click here to view in PDF format
- 983KB ]
- Southern Minnesota Beet Sugar Cooperative Phosphorus Trade Crediting Calculations (Appendix A)
[Click here to view in PDF format
- 602KB ]
- Appendix B: EPA’s 2003 National Water Quality Trading Policy
[Click here to view in PDF format
- 3,213KB ]
- Appendix C: Water Quality Trading Forms
[Click here to view in PDF format
- 3,720KB ]
- Appendix D: Use of EPA Cost Share
[Click here to view in PDF format
- 93KB ]
- Appendix E: Permit Writers’ Checklists
[Click here to view in PDF format
- 139KB ]
- 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
- 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
- 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
- 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
- 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
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