Locate your watershed and learn about the organizations that are protecting it.

Search information about public water systems and their violations of EPA's drinking water regulations, as reported to EPA by the states.

Search facilities in your community to assess their compliance with environmental regulations.

Find facilities registered with the federal enforcement and compliance (FE&C) and holding National Pollutant Discharge Elimination System (NPDES) permits.

Map and list hazardous waste cleanup locations and grant areas, and drill down to details about those cleanups and grants.

Retrieve data on facilities that generate, transport, treat, store, and dispose of hazardous waste from the Resource Conservation and Recovery Act Information (RCRAInfo) database in Envirofacts.

Search data related to locating, investigating, and cleaning up hazardous waste sites throughout the United States.

Track the management of certain toxic chemicals that may pose a threat to human health and the environment.

Retrieve selected data on the production, importation, use, and disposal of specific chemicals from the Toxic Substances Control Act database in Envirofacts.

Information about mercury such as products that contain mercury, what the EPA and others are doing, and what you can do.

Information about dioxin such as common sources of exposure, publications, and resources for scientists.

Information about asbestos such as how to protect your family and how to clean it up properly.

Information about lead such as how to protect your family and how to clean it up properly.

Information about formaldehyde such as how to protect against exposure, emission standards, and laws and regulations.

Information about greenhouse gases and their emissions at the global, national, facility, and individual levels.

EPA's repository of ambient air quality data.

This site provides registered EPA, State, Local, and Tribal users with access to emissions inventory data and to provide transparency to the emissions inventory process.

Search data that has been collected from sampling the nation's air, precipitation, or drinking water for a variety of radionuclides and radiation types.

Search data regarding facilities EPA regulates for radiation or radioactivity.

The UV Index provides a daily forecast of the expected intensity of UV radiation from the sun in a given location.

Provides quality facility data to support EPA's mission of protecting human health and the environment.

Search for a location and learn more about its environment.

This site allows you to search for grants by applicant name, award date, geography, etc.

Access to several EPA databases for information about environmental activities that may affect air, water, and land anywhere in the United States.

The status and trends of Environments and Contaminants, Biomonitoring, and Health as they relate to children.

Search for a pesticide chemical and retrieve information such as its chemical structure.