The ECHO Log In Process Is Changing


If you are using to sign in to ECHO, the page may not send you back to ECHO after successful login.  Instead, may send you to a webpage noting an "Error 404—Not Found."  

If you experience this issue, the following workarounds will allow you to access ECHO.

  1. Follow the instructions below entitled, "To Access ECHO Using Existing WAA EPA Community Access Legacy Credentials."
  2. After you sign in to Login.Gov and reach the "Error 404—Not Found" page, do not close your browser. Go back to and select "ECHO Login" again.

The ECHO Login Process Is Changing

Between November 1, 2021 and January 1, 2022, EPA will be moving its external user accounts to Exit, an account and login system for the US Federal government. is a government-wide shared solution that offers the public secure and private online access to participating government programs. Users can securely sign in to multiple government agencies with one ID and password.

Beginning January 1, 2022, you will need to log in with a account to continue using EPA applications, including ECHO.  For existing ECHO users, instructions detailing the steps required to migrate your ECHO account will be in an email from with the subject line “ACTION REQUIRED: EPA Gateway Powered by”  Users can expect to receive this email in early November 2021.

Tip: If after logging into ECHO, you see a string of letters and numbers above "My ECHO" this indicates that your and EPA accounts have not been linked. Go to Web Application Access (WAA) and sign in using your credentials. Once you successfully log into WAA, go back to ECHO and log in again. You should expect to see your username after logging into ECHO.

For additional questions about EPA's migration to, please see the Frequently Asked Questions page or help page.

To Access ECHO Using Existing WAA EPA Community Access Legacy Credentials (ends December 31, 2021)

  1. Click on the ECHO Login link that you normally use to access ECHO.
  2. Click on the “WAA Username & Password” tab.
  3. Click “Login” button.  This will bring you to the EPA Web Application Access Login page you are accustomed to using to login to ECHO.  
  4. Sign in using your existing User ID and Password.  


For additional login guidance, please view this job aid on How to Log into EPA WAA Community Applications with WAA Username and Password (PDF).

Please contact ECHO User Support if you have any additional questions.

Last Updated - December 23, 2021

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