Learn the Issues

Pretreatment Program Factsheet: Hazardous Waste Reporting Requirements for Industrial Users

This factsheet can be used by POTWs to inform their industrial users about hazardous waste reporting requirements in accordance with pretreatment regulations.

NPDES WET Video Training Guide Documents

A collection of NPDES WET Video Training Guide documents.

2004 NPDES CSO Report to Congress

This report, delivered to Congress on Thursday, August 26, 2004, presents a comprehensive characterization of CSOs and SSOs, including the extent of environmental and human health impacts caused by CSOs and SSOs.

Stormwater Discharges from Transportation Sources

Transportation authorities manage the runoff on street, road, and highways that has polluted by cars, trucks, buses, and other vehicles.

National Pretreatment Program Hauled Waste

Overview of regulations and guidance for the hauling and removal of transported hazardous (hauled) waste.

NPDES Stormwater Rules and Notices

List of stormwater rules and notices documents.

EPA's 2012 Construction General Permit (CGP) and Related Documents

List of documents for construction general permits.

NPDES Water-Quality Based Permit Limits for Recreational Water Quality Criteria

This set of Frequently Asked Questions (FAQ) provides an overview of NPDES permittingapplicable to continuous dischargers.

Peak Flows at Sewage Treatment Plants

In April 2018, EPA announced a new rulemaking to look at issues associated with the management and treatment of peak flows during wet weather events at publicly owned treatment works (POTWs) with separate sanitary sewer systems.

Water Quality Trading on a Watershed Scale

This paper describes three factors that water quality trading program managers may want to consider when evaluating the appropriate scale for a trading area

NPDES Regulations

NPDES regulatory documents, fact sheets, and federal registry.

Project Waiver of American Iron and Steel Requirements for 4-inch and 8-inch Stainless Steel Check Valves to the City of North Liberty, Iowa (DWSRF)

AIS waiver approval.

Project Waiver of American Iron and Steel Requirements for Small Diameter Ball Valves with Grooved Ends to Independence-Cross Creek Joint Sewer Authority, Pennsylvania (CWSRF)

AIS waiver approval.

Project Waiver of American Iron and Steel Requirements for 24-inch High Pressure Butterfly Valves to Marina Coast, California (CWSRF)

AIS approved waiver.

Project Waiver of American Iron and Steel Requirements to the Passaic Valley Sewerage Commission in New Jersey for 10-Inch Ball Valves

Project waiver of AIS requirements for New Jersey.

Request for AIS Waiver for Seamless Stainless Steel Tubing for the Washington Sanitary Sewer Commission, Maryland (CWSRF)

AIS waiver request.