Delaware’s Draft 305(b) and 303(d) Waters Assessment Methodologies and Data Solicitation

Division of Watershed Stewardship
Start Date: January 13, 2020
End Date: February 14, 2020

This notice announces the availability and opportunity to comment on the Delaware Department of Natural Resources and Environmental Control’s Draft Assessment and Listing Methodologies for Delaware’s 2020 Combined Watershed Assessment Report (305(b)) and Determination for the Clean Water Act Section 303(d) List of Waters Needing TMDLs (The Integrated Report, or IR).  EPA’s Integrated Reporting Guidance documents are available online here

The Department plans to have a draft IR ready for public comment by the first of March, 2020.  

In addition to seeking comment on the Methodologies, the Department is also soliciting additional data or information from the public that may not already be considered for the Draft IR. Please contact the Department before February 14th to submit pertinent data and information.

The Draft Methodologies, related documents and prior IRs are available on the Department’s Web Site at, by writing to David Wolanski, DNREC/Division of Watershed Stewardship, Watershed Assessment Section, 285 Beiser Blvd., Suite 102, Dover, DE, 19904, by calling (302) 739-9939 or by e-mail (  All comments received on or prior to February 14, 2020 will be considered in developing the Integrated Report.  Comments may be sent to Mr. Wolanski by mail, Fax (302-739-6140) or E-mail. Electronic submissions are preferred. Please call Stephen Williams at (302) 739-9939 with questions or requests for additional information.

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