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National Environmental Policy Act

  • NEPAssist

    NEPAssist is a tool that facilitates the environmental review process and project planning in relation to environmental considerations.

Learn About NEPA

Learn About NEPA
  • What is NEPA?
  • What is the NEPA review process?
  • How citizens can comment and participate
  • Get a copy of an EIS 

Filing an EIS

Filing an Environmental Impact Statement (EIS)
  • Environmental Impact Statement Filing Guidance
  • e-NEPA for electronic filing of EISs (through Central Data Exchange (CDX))

EPA's Role in the NEPA Process

EPA's Role in the NEPA Process
  • EPA compliance with NEPA
  • Review process under Section 309 of the Clean Air Act
  • NEPA policies and guidance

Search the EIS Database

Search the EIS Database
  • Search for EISs (PDF versions of EISs received by EPA since October 2012)
  • Find EISs filed during the previous week
  • Find EISs open for comment
  • Find EPA comments on EISs issued in the past 60 days

A Citizen's Guide to NEPA

CEQ's Citizen Guide to NEPA

A Citizen's Guide to the National Environmental Policy Act is a useful resource from the Council on Environmental Quality for those that are not familiar with NEPA. This guide describes the NEPA process and provides information on how citizens can get involved.

Contact Us to ask a question, provide feedback, or report a problem.
Last updated on April 22, 2025
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