Learn the Issues

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

Enterprise Precast Concrete of Kansas, LLC - Clean Water Act Public Notice

The EPA is providing notice of a proposed Administrative Penalty Assessment against Enterprise Precast Concrete of Kansas, LLC, a business located at 5525 Kaw Drive, Kansas City, Kansas.

State and Local Transportation Resources

This web area is designed to provide resources to state and local governments and their citizens about transportation and air quality.

About Managing the Quality of Environmental Data at EPA Region 3

Overview about how Region 3 defines environmental information or data, the quality system PIE and Region 3 quality system staff expertise.

Reallotment of Fiscal Year 2022 (2nd Round) and Fiscal Year 2023 CWSRF IUA EC Memo

Reallotment of Fiscal Year 2022 (2nd Round) and Fiscal Year 2023 Infrastructure Investment and Jobs Act Clean Water State Revolving Fund Emerging Contaminants Funds

What is Ozone?

description of ozone for ozone and your patients' health training for health care providers

Course Outline and Key Points - Ozone

ozone & your patients' health Course Outline and Key Points

Ozone and Your Patients' Health

The short, evidence-based training course describes the health impacts of ozone pollution and provides tools to help care providers and patients.

2021 Emissions Modeling Platform Technical Support Document

This document describes how the emission inventories were prepared for air quality modeling by the U.S. Environmental Protection Agency (EPA) for criteria air pollutants to represent the year of 2020.

Soak Up the Rain: Permeable Pavement

Learn how permeable pavements work to help soak up the rain and reduce runoff. Find information on how to select, install and maintain permeable pavement surfaces.

Particle Pollution Designations Regulatory Actions

chronological listing of all regulatory actions related to designations for the 2012 fine particle standard

Outer Continental Shelf Air Permits

Provides information and links to EPA's Outer Continental Shelf air permitting requirements.

EPA Issues Guidance on Streamlining Clean Air Act Title V Operating Permit Process to Expedite Approvals

EPA issued guidance clarifying the agency’s review process of Clean Air Act (CAA) title V permits to streamline and expedite approvals.

Release Date: May 11, 2026