ECMPS 2.0 Updated Release Date - Q1 2026

5/29/2025
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On April 22, 2025, the EPA announced the new anticipated release date for ECMPS 2.0:

  • While we continue working on the reengineering of ECMPS, we want to inform affected sources that we are targeting a release date for ECMPS 2.0 in Q1 2026. We want to ensure that affected users can fully test a production-ready beta and are prepared for the upcoming changes with the new system (including the new CDX log-in process). Please note, the target release date is subject to change should we encounter any delays with reengineering development. We will continue to communicate any changes to the anticipated release date as soon as we are able to and will continue to provide updates regarding the beta (including bug fixes and additional functionality implementation).
  • With this in mind, we remind users that the schema and related reporting instructions for ECMPS 2.0 that were published in 2024 are available here and they should be considered ready for use for any kind of programming development ahead of the ECMPS 2.0 launch.


Stay up to date on the latest news regarding the ECMPS Re-engineering Effort by visiting the EPA web page at https://www.epa.gov/airmarkets/ecmps-re-engineering-effort.  Additionally, it is recommended to contact the EPA directly with any questions (ecmps-beta@camdsuppo​rt.com).