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The 2024 Q4 Reporting Period begins on January 1, 2025
December 30, 2024
ECMPS Technical Support will be closed on December 25, 2024 and January 1, 2025
December 20, 2024
EPA Host System Unavailable December 6-7, 2024 for Scheduled Maintenance
December 3, 2024
Install New Software for Stand-alone Database
Install New Software for Shared Database
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Update Existing Software for Shared Database
System Requirements
Latest Release Information
Introduction to ECMPS
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Webinars
Reporting Documentation
Select a Help Topic
FAQs
Request Technical Support
Resubmit Data Request Form
Known Issues
EPA Host System Status
Online Client Tool Help File
Requested Enhancements
2024 Q4 Emission Submissions Received
48%
Last Updated: January 20, 2025, 9:00 AM ET
48%
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