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Vehicle and Engine Certification

Contact Us about Vehicle and Engine Certification

Report an environmental violation

Report a Violation

Report possible violations of environmental laws and regulations.

Support Lines

For questions regarding EV-CIS, formerly Verify System, account setup, please contact:
Email: verifydpc@epacdx.net
For questions regarding EV-CIS issues or to report security incidents, please contact:
Email: evcishelpdesk@epacdx.net
For questions regarding EV-CIS CDX accounts, please contact:
Email: helpdesk@epacdx.net
Phone number: 1-888-890-1995
Type of assistance: • CDX account password resets
• Updates to CDX account information
For general questions, please contact:
Email: complianceinfo@epa.gov

Mailing Address for EPA EV-CIS Team

US EPA
EV-CIS Team
OAR/OTAQ/CISD
2000 Traverwood Drive
Ann Arbor, MI  48105

All Other Comments or Questions 

Send all other comments and questions to: otaq@epa.gov or complete the form below.