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Delaware’s Draft 2026 Combined Watershed Assessment Report (305(b)) and Determination for the Clean Water Act Section 303(d) List of Waters Needing TMDLS (The Integrated Report)



Division of Watershed Stewardship


Published: March 6, 2026
Comments Due: April 6, 2026

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DNREC Notice No. WSS20260078
Non-Discrimination Policy

Documents for Review
Draft 2026 Integrated Report

This notice announces the availability and opportunity to comment on Delaware Department of Natural Resources and Environmental Control’s Draft 2026 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 www.epa.gov/tmdl/identifying-and-listing-impaired-waters-under-clean-water-act. Please contact the Department by April 6, 2026, to submit any comments.

The Draft Integrated Report is posted with this notice on the DNREC website at de.gov/dnrecnotices. Related documents and prior Integrated Reports are available on the Department’s website at dnrec.delaware.gov/watershed-stewardship/assessment/reports/.

All comments on the Draft Integrated Report document received on/prior April 6, 2026, will be considered for the final Integrated Report. Comments may be sent to Ms. Sakinat Ahmad by mail at DNREC/Division of Watershed Stewardship, Watershed Assessment and Management Section, 285 Beiser Blvd., Suite 102, Dover, DE 19904 or email at SurfaceWQS@delaware.gov. Electronic submissions are preferred.

For additional information, please contact Ms. Sakinat Ahmad, Hydrologist, at (302) 608-5525 or via email at sakinat.ahmad@delaware.gov.




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