Learn the Issues

Floating Wetland Islands Help Restore Large PA Lake

One of Pennsylvania’s largest natural lakes has been removed from the state’s list of impaired waters following years of EPA-funded work to control phosphorus pollution. One of the innovative actions taken to meet the goal was use of 5 floating wetlands.

EPA News and Events for the District of Columbia

News and events from EPA for the District of Columbia as clickable markers shown on a map of the district.

Repairs Ease Strain on Pumps at Top State Park

An EPA-funded sewer line project helped sharply reduce pressure on the aging wastewater pump station at Cape Henlopen – Delaware’s most visited state park.

Turning the Tide in the Delaware: Reducing a Legacy Pollutant

A strategic approach to identifying and reducing sources of toxic discharges to the Delaware River is beginning to show results.

EPA News and Events for Pennsylvania

News and events from EPA for the state of Pennsylvania as clickable markers shown on a map of the state.

EPA News and Events for West Virginia

News and events from EPA for West Virginia as clickable markers shown on a map of the state.

EPA News and Events for Virginia

News and events from EPA for Virginia as clickable markers shown on a map of the state.

Nourishing Ecology and Society with Beachgrass

The largest Atlantic hurricane on record, Hurricane Sandy, required an enormous response. Partners at the national, regional, local, and tribal levels coordinated to help the recovery effort—and often to enhance coastal resilience at the same time.

Wetland PCB Remediation Cleanup Proposal from the City of New Bedford

The City of New Bedford submitted a plan in 2005 to EPA describing the City's proposal to address PCB contamination of wetlands near McCoy Field.

What are Water Quality Standards?

LEARN: What Are Water Quality Standards?

2011 Version 6.2 Technical Support Document

This TSD describes how the emission inventories were prepared for air quality modeling for the years 2011, 2017, and 2025 using the 2011, version 6.2 emissions modeling platform, which is based on the 2011 National Emissions Inventory, Version 2.

Lead at Superfund Sites: Risk Assessment

Explore EPA's methodology for risk assessment of lead at Superfund sites.

Ferry Engine Repower to Provide Benefits for Air and Water

EPA’s Diesel Emission Reduction Act grant to the Delaware River and Bay Authority is bringing new clean air technology to the Cape May-Lewes Ferry, thereby reducing air pollution emissions and contributing to cleaner water in the Chesapeake Bay.

Go-Fer Sanitation, Inc. - Clean Water Act Public Notice

The EPA is providing notice of a proposed Administrative Penalty Assessment against Go-Fer Sanitation, Inc., a business located in, Devil’s Lake, North Dakota, for alleged violations of the domestic septage requirements found at 40 C.F.R. Part 503 and Sect

Inferno Energy, LLC - Clean Water Act Public Notice

The EPA is providing notice of a proposed Administrative Penalty Assessment against Inferno Energy, LLC, for alleged violations stemming from an unauthorized discharge of oil in or onto navigable waters of the United States in violation of Section 311(b)(3