Learn the Issues

Chesapeake Appalachia, LLC - Michael Ross

Chesapeake Appalachia, LLC - Michael Ross. Buckhannon, Upshur Co., W.Va. Sept. 15, 2011

EPA Region 4 Air Sensor Loan Programs 

EPA R4 now loans portable fine particulate matter (PM2.5) sensors to the public. The program helps drive positive change and improve public health by collecting non-regulatory outdoor air quality data.

Seattle, Washington and King County, Washington Settlement

This is the settlement page Seattle, Washington and King County, Washington Settlement

Response to Information Quality Guidelines Request for Correction #13001

Document page on the response from the EPA about the Request for Correction for Information Quality Guidelines about the Enforcement and Compliance History Online page.

Electric Vehicle Myths

Facts and myths about electric vehicles.

U.S. Coral Reefs

Coral reefs are among the most biologically diverse and valuable ecosystems on Earth. This web site describes the importance of coral reefs, threats to them, and ongoing efforts to protect them.

Guidance Specifying Management Measures for Sources of Nonpoint Pollution in Coastal Waters

EPA publication EPA 840-B-92-002 January 1993 This "management measures" guidance addresses nonpoint pollution in coastal water.

Attachments submitted with the Supplemental Red Lake Band of Chippewa Indians' 2019 Supplemental Treatment as a State Application

Red Lake’s application and is requesting comments on the Tribe’s assertion of authority to regulate surface water quality.

Trump EPA Proposes to Free States from Unnecessary Biden-era State Implementation Plan Requirements

EPA proposed revisions to portions of the Biden EPA’s January 2025 final rule, which required states to keep certain State Implementation Plan (SIP) requirements tied to an area's prior ozone nonattainment classification under the NAAQS.

Science Matters Podcast: Green Hearts

Listen to the Science Matters Green Hearts podcast with Dr. Wayne Cascio on the importance of clean air to cardiovascular health, or read some of the highlights from the conversation here.

EPA to Hold June 27 Workshop on Hercules, Inc. Superfund Site in Hattiesburg

Lake Champlain Phosphorus TMDL: A Commitment to Clean Water

Information on the Lake Champlain Phosphorus TMDL being developed by EPA.

Grant Opportunities

Hub for information about various funding opportunities for estuaries

Using Quality Program Standards for Environmental Information

The Agency uses the American National Standard ASQ/ANSI E4-2014, Specifications and Guidelines for Quality Systems for Environmental Data Collection and Environmental Technology Programs

Air Technology Standards in Region 7

NSPS, NESHAPs and MACT standards are applicable requirements under the Title V operating permit program. This is a resource for permit writers and reviewers to learn about the rules and explore other helpful tools.

Making School Buses Cleaner

Information and materials that support the Clean School Bus Program, including idle reduction strategies, replacement of older buses, links to related websites and publications

Secondhand Smoke and Electronic-Cigarette Aerosols

Secondhand smoke affects everyone, but children are especially vulnerable because they are still growing and developing.

National Recommended Water Quality Criteria - Aquatic Life Criteria Table

Table listing criteria for chemical concentration goals to protect surface water for aquatic life use.

Marine Sanitation Devices (MSDs)

Marine sanitation devices treat or retain sewage from vessels, and have performance standards set by the EPA. This page provides information on MSDs, including who must use an MSD, states' roles, types of MSDs and standards.

A Recreational Boater's Guide to Vessel Sewage

This short guide describes the federal vessel sewage regulations that recreational boaters need to know, as well as provides recommendations to boaters on clean boating practices.