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Registering in Central Data Exchange system

Tips to simplify registration in EPA’s Central Data Exchange (CDX)

Central Data Exchange (CDX) is the electronic reporting site for the Environmental Protection Agency (EPA). CDX and the controlled registration process meets the requirements and procedures set forth under the EPA’s proposed Cross-Media Electronic Reporting Regulation.

CDX serves as a central point to submit a variety of required reports and data to EPA in legally acceptable formats. CDX includes reporting for federal air compliance, water permitting, NEPA, renewable fuel standards, pesticides, hazardous waste (RCRA), Toxic Release Inventory (TRI), Risk Management Program (RMP), and more. Each of these is housed in a supplemental section within CDX.

There are two parts to the CDX registration process, core registration and additional verification. All CDX users must complete the core registration process. The additional verification portion of the process is determined by each program office. Users can check the status of additional verification and access to individual programs from the “MyCDX page”.

CDX registration overview:

  • Registering for CDX takes as little as 15-20 minutes. However, programs with paper subscriber agreements and verification forms via mail can take multiple days. For example, when an Electronic Signature Agreement (ESA) is required, it can take up to 2 weeks to complete the registration process.
  • During initial CDX registration, a primary program must be selected. Once an account is activated other programs can be added. See “Adding programs to and existing CDX account” section below, for more information on how to do this.
  • CDX security questions and answers are important to be something that each user can remember (or records for future reference). These will be confirmed by the CDX Help Desk in the event a password must be reset.
    • CDX accounts are locked after three unsuccessful login attempts or if the password expires.
  • CDX passwords expire every 90 days, which is a shorter timeframe than most reporting frequencies. Therefore, for many system users a password reset will be required during almost all logins.
  • For programs that require identity verification or an ESA to be submitted, additional security questions and answers will be created.
    • These questions are used as a second authentication factor when submitting forms (the password is the first authentication factor).
    • One of these questions (randomly selected) must be answered each time a report is submitted.

Steps to register in CDX (core registration):

  1. Access CDX - https://cdx.epa.gov.
  2. Click the “Register with CDX” button.
  3. Accept the Terms and Conditions for the CDX site.
  4. Select the primary program service for registration. Select the appropriate role in the program service.
  5. Enter a unique user name, fill out the personal information, create a password, and answer three security questions.
  6. Add organizational information by selecting an existing organization or by creating a new organization if no match if found during a search.

Adding programs to an existing CDX account (additional verification):

  1. Log in to CDX and navigate to the “MyCDX page.”
  2. Click the “Add New Program Service” button.
  3. A list of programs will open, select the program that needs to be added.
  4. Repeat for each additional program needed.