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National Pollutant Discharge Elimination System (NPDES)
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Program Areas
- Animal Feeding Operations
- Aquaculture
- Combined Sewer Overflows
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- Pretreatment
- Sanitary Sewer Overflows and Peak Flows
- Stormwater
- Vessel Discharges


NPDES Topics Alphabetical Index Glossary About NPDES

NPDES Alphabetical Index

The items within this alphabetical index link to all topics discussed throughout the NPDES Permits Program web site. Click on each item to obtain more information about each topic.

2005 Second Circuit Court Decision on CAFOs

About the NPDES Permitting Program

Additional Resources


Animal Feeding Operations (AFOs) Home

Animal Feeding Operations (AFOs) Virtual Information Center


Backlog Reduction

CAFO Important Links

CAFO Rule History

CAFO Technical Assistance and Funding Sources

Case Studies

Categorical Pretreatment Standards

Clickable map to obtain local NPDES contacts, links, and authorization status information

Combined Sewer Overflow (CSO) Control Policy

Combined Sewer Overflows (CSOs) Home

Concentrated Animal Feeding Operations (CAFOs) Guidance Documents

Concentrated Animal Feeding Operations Final Rule

Concentrated Animal Feeding Operations Unified Strategy

Construction General Permit eNOI

Cooling Water Intake Structure (316b)

CSO Demographics

CSO Guidance Documents

CSO Long Term Plan

CSO Nine Minimum Controls

CSO Principal Memoranda on Policy Issues

CSO Report to Congress

Effluent Limitations Guidelines and Standards

Emerging Topics


EPA's Pesticide General Permit (PGP)

General NPDES Permit Issues Home

Green Infrastructure

Impaired Waters

Industrial and Commercial Facilities Home

Integrated Municipal Plans

Integrated Municipal Plans

Integrated Municipal Plans

Integrated Municipal Plans

Integrated Municipal Plans

Integrated Municipal Plans

Interested Citizens

Materials and Practices

Menu of Best Management Practices for NPDES Stormwater Phase II


Monitoring and Reporting

Multi-Sector General Permit eNOI

Municipal Handbook

Municipalities and Wastewater Treatment Plants Home

NPDES Permit Program Basics eNOI

NPDES Stormwater Home

Oil and Gas

Other Federal Laws Related to NPDES

Permitted Universe and Backlog Reduction

Pesticides Background

Pesticides Decision Tool

Pesticides eNOI

Pretreatment Analytical Methods

Pretreatment Local Limits

Pretreatment Program Home

Pretreatment Prohibited Discharge Standards

Pretreatment Standards & Limits

Programs and Permits

Report to Congress

Report to Congress: Impacts and Control of CSOs and SSOs

Road-Related MS4s

Sanitary Sewer Overflows (SSOs) Home

Secondary Treatment Standards

SSO Featured Case Studies and Factsheets

SSO Federal Advisory Committee (FACA)

SSO Toolbox

Standards to Permits Process

State Program Information

State/Tribal Authorization Status

Statutes and Regulations

Stormwater Basic Information

Stormwater Discharges Associated with Construction Activity

Stormwater Discharges Associated with Industrial Activity

Stormwater Discharges From Municipal Separate Storm Sewer Systems (MS4s)

Stormwater Home

Stormwater Outreach Materials and Reference Documents

Technical Standards

Technical Studies

Tools for Permit Writers

Training & Outreach

Vessel General Permit

Vessels Background Information

Vessels eNOI

Vessels Program Development

Wastewater Education Materials

Water Quality and Technology-Based Permitting

Watershed-Based Permitting

Whole Effluent Toxicity (WET)

National Pollutant Discharge Elimination System Home

NPDES Information
Recent Additions




Training & Meetings



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Last updated on April 16, 2007 1:13 PM