Learn the Issues

NPDES Permit Application Forms

EPA's NPDES Permit Application Forms

National Pretreatment Program Control Authority

To assist the control authority in developing and implementing its pretreatment programs, EPA provides the following guidance.

Pretreatment Roles and Responsibilities-Control Authorities

Overview of types of variances that can be granted for pretreatment standards.

National Menu of Best Management Practices (BMPs) for Stormwater

EPA has found the practices listed in the menu of BMPs to be representative of the types of practices that can successfully achieve the minimum control measures.

EPA Opens Public Comment Periods Pursuant to Executive Order

Pursuant to Section 2(a) the Executive Order 14414, Advancing Regenerative Agriculture and Strengthening American Farm Resilience, EPA has proposed and is taking public comment on the actions.

Pollution Prevention and Toxics News Stories

List of recent press releases and listervs on pollution prevention and toxics topics.

2026 Ozone Exceedances

View 2026 Ozone Exceedances for New England.

2026 PM2.5 Exceedances

View 2026 PM2.5 Exceedances for New England.

EPA in California

Portal for news and information about EPA's efforts and environmental conditions in California.

International Programs Related to the Global Methane Initiative

Provides information about international programs that are related to the GMI.

EPA Pacific Southwest PFAS Tribal Drinking Water Sampling Project

The PFAS Tribal Drinking Water Sampling Project is a voluntary sampling effort that is offered to all public water systems (PWS) on tribal lands in EPA’s Pacific Southwest Region (Region 9).

Tribal Green Manufactured Housing

Tribal green building code guidance for manufactured housing.

Tribally owned or operated gaming facilities have many opportunities to implement green building and operations. Environmental improvements can save money and have lasting environmental and social impacts for the Tribe and for facility visitors.

Environmental Topics

EPA's resources on environmental issues include research, basics, what you can do, and an index covering more specific terms.

TRI Informational Materials

Collection of TRI outreach materials organized in a searchable table with keywords and filters. Many of these are printable factsheets/handouts.

TRI Source Reduction Reporting

Ways to Search and Browse NSCEP Publications

The searches look at a full-text index of the electronic documents and an index of the metadata records for both the hardcopy and digital titles.

TRI National Analysis

Interpretation of annual TRI data reported by industrial facilities. Interactive maps and other tools give a close look at how industries, parent companies, and individual facilities manage toxic chemical waste and how they prevent and reduce pollution.

Energy and Emissions at EPA

To demonstrate its leadership in energy and environmental stewardship, EPA is committed to managing its own facilities and operations in a way that minimizes greenhouse gas (GHG) emissions and energy use.