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Due to a lapse in appropriations, EPA websites will not be regularly updated. In the event of an environmental emergency imminently threatening the safety of human life or where necessary to protect certain property, the EPA website will be updated with appropriate information. Please note that all information on the EPA website may not be up to date, and transactions and inquiries submitted to the EPA website may not be processed or responded to until appropriations are enacted.

We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

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Laws

Laws written by Congress provide the authority for EPA to write regulations.

Regulations

Regulations explain the technical, operational, and legal details necessary to implement laws.

Compliance & Enforcement

EPA helps regulated entities meet federal requirements, and holds entities legally accountable for environmental violations.

Policy & Guidance

EPA issues policy and guidance documents to assist the public and regulated entities.