Collections and Lists

Definitions of Section 608 Terms

Provides definitions of key terms used in Section 608 of the Clean Air Act.

Cleanup Areas in Focus for the GE-Pittsfield/Housatonic River Site

Learn more about cleanup areas for the GE-Pittsfield/Housatonic River Site.

EPA Web Training Classes

Scheduled webinars can help you better manage EPA web content. Class topics include the updated WebCMS, creating different types of pages in the WebCMS such as events and forms, using Google Analytics, and best practices for metadata and accessibility.

Air Quality Models - Clarification Memos for Dispersion Models

Memoranda issued by EPA as general clarifications for issues related to Appendix W and technical aspects of dispersion models, when necessary.

Children's Health Outreach Toolkit

Find outreach tools including publications, graphics, and social media messaging about children's environmental health.

Pilot Travel Center#305_Final NPDES Permit No. NM0031231

Nonpoint Source Pollution: Technical Guidance and Tools

A central listing of the various guidance on different nonpoint source topics.

Why hasn’t the Erie Coke site been identified as a Superfund Site?

The former coke facility is currently under the Pennsylvania Department of Environmental Protection’s Hazardous Sites Cleanup (HSCA) Program. PADEP continues to investigate the former Erie Coke facility, and EPA is focusing on the residential areas around the facility to determine if contaminants were released into the surrounding area. For more…

Last published: September 9, 2025

Stories of Progress in Achieving Healthy Waters in Virginia

Stories of progress from EPA's Mid-Atlantic region about EPA programs helping to achieve healthy waters in the state of Virginia.

Region 8: Children’s Environmental Health in Mountain & Plains States

Children’s environmental health hazards in Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming, and Tribal Nations

Region 3: Children’s Environmental Health in the Mid-Atlantic States

Children’s environmental health hazards in Delaware, Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia.

PolyMet (now NewRange Copper Nickel, LLC)

EPA Region 5 completed a screening of the PolyMet project under CWA Section 401(a)(2). EPA determined that the discharge from the proposed PolyMet project “may affect” the water quality of both the Band and Wisconsin.