CEDEN 2.0 Data Submission

What is CEDEN 2.0

• A new data submission portal for CEDEN.
• The first data type to transition to the new data system is Chemistry (Water Quality) data.
  • Other data types will transition in the next few years.

Goals of CEDEN 2.0

• User friendly interface
• Improved understanding of data quality
• Modern, secure data system that can be continually updated

CEDEN 2.0 Launch

• Launch date for public use: August 17, 2026

CEDEN 2.0 Resources

• CEDEN 2.0 Chemistry Data Submission Guidance DRAFT (PDF) (1/16/26)
• CEDEN 2.0 Chemistry Data Submission Template (Excel) (1/16/26)
• CEDEN 2.0 Key Data Reporting Changes (PDF) (6/22/26)

For regular updates on CEDEN 2.0 development, join the CEDEN User Group.