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The CDX Help Desk is available for data submission technical support.

For technical questions and information:

By Telephone:
Call our toll-free line between the hours of 8:00 am and 6:00 pm (EST) at 888-890-1995.

By E-mail:
Send e-mail correspondence to helpdesk@epacdx.net.

By Mail:

CGI Federal, Inc
c/o EPA Reporting Center
12601 Fair Lakes Circle
Fairfax, VA 22033

Contact Form

For general questions about CDX or to report problems with the Web site, please email us using the form below. If your browser does not support forms, you may also email us directly at helpdesk@epacdx.net.

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Please select the CDX Project you are contacting us about:

Please select the CDX Project you are contacting us about from the drop down menu General CDX AQS (Air Quality System) FRS (Facility Registry System) OTAQ Fuels Reporting System ODS (Ozone Depleting Substances Tracking System) RCRA Info (Resource Conservation and Recovery Act) TRI (Toxics Release Inventory) VERIFY WQX (Water Quality Exchange) Other

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