An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Fuels Registration, Reporting, and Compliance Help

Contact Us

IT Helpdesk

Report an environmental violation

Report possible violations of environmental laws and regulations.

Technical Support for EPA Fuels Program

Email FuelsProgramSupport@epa.gov
Phone number 1-800-385-6164
Type of assistance
  • EMTS Technical Support
  • CDX Reporting Issues
  • Remedial Actions

Central Data Exchange (CDX) Helpdesk

Email helpdesk@epacdx.net
Phone number 1-888-890-1995, then select Option 1
Type of assistance
  • CDX account password resets
  • Lexis/Nexis authentication
  • Updates to CDX account information

CDX Node Support

Email nodehelpdesk@epacdx.net
Phone number 1-888-890-1995, then select Option 2
Type of assistance
  • Setting up a new node
  • Acquiring a NAAS ID
  • Troubleshooting nodes
  • Failed node submissions

Contact Us to ask a question, provide feedback, or report a problem.

Fuels and Fuel Additives Compliance