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

Division of Watershed Stewardship

Published: July 2, 2023
Comments Due: Aug. 31, 2023

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 2024 Combined Watershed Assessment Report (305(b)) and Determination for the Clean Water Act Section 303(d) List of Waters Needing TMDLs (the Integrated Report). EPA’s Integrated Reporting Guidance documents are available online at

The Department plans to have a draft Integrated Report ready for public comment by January 2024.

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 Integrated Report. Please contact the Department by August 31, 2023 to submit pertinent data and information.

The Draft Assessment Methodologies document is available on the Department’s website at (this page).

Related documents and prior Integrated Reports are available on the Department’s website at

All comments on the Assessment Methodologies document and any additional data received on or prior August 31, 2023 will be considered in developing the Integrated Report. Comments and data may be sent to Dr. Bhanu Paudel by mail at DNREC/Division of Watershed Stewardship, Watershed Assessment and Management Section, 285 Beiser Blvd., Suite 102, Dover, DE 19904 or email at Electronic submissions are preferred.

Please call Dr. Paudel at (302) 739-9939 with questions or requests for additional information.