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 Pages Tagged With: "watershed stewardship"

Stormwater Watershed Reports

This page contains links to reports on the characteristics of specific Delaware watersheds for use in preparation of sediment and stormwater plans. Appoquinimink Scope of Work Hydrology Report – January 2009 Appendix A – TSDN Documents Appendix B


Training and Certification

The Sediment and Stormwater Program provides several different training opportunities to help those involved in land development and construction projects meet the requirements of the Delaware Sediment and Stormwater Regulations.

Contact Us

Bonnie Arvay Sediment and Stormwater Program


Sediment and Stormwater

Delaware’s Sediment and Stormwater Management Program operates within the Division of Watershed Stewardship’s Conservation Programs Section. The program employs a comprehensive approach to sediment control (both during and after construction) and stormwater management that includes monitoring of stormwater quantity and water quality control.
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Sediment and Stormwater Delegated Agencies

The following agencies have delegation of Sediment and Stormwater Program elements, consisting of plan review, construction inspection, and maintenance inspection for their geographic boundaries. State Agencies Department of Natural Resources & Environmental Control (DNREC) Division of Watershed Stewardship Sediment and Stormwater Program 285 Beiser Boulevard, Suite 102 Dover DE


Public Hearing: Regulations Governing the Control of Water Pollution

The Division of Watershed Stewardship will conduct a virtual public hearing on proposed revisions to the Regulations Governing the Control of Water Pollution, Part 2 – Special Conditions for Storm Water Discharges Associated with Construction Activities.


Application for a Permit for Construction Seaward of the DNREC Building Line

Mr. and Mrs. Jeffrey Grinspoon have applied for a permit for construction seaward of the DNREC Building Line to construct a single family dwelling with an 11′ cantilevered porch/deck on Lot 50, Block 1, South Bethany.


Floodplain Management

The DNREC floodplain management program works to preserve public health, safety, and well-being and protect property by reducing flood hazard risks statewide.

Contact Us

David J. Warga, CFM State Floodplain Manager 302-739-9921
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The First State Watermark

An archive of past editions of The First State Watermark, Delaware’s floodplain management newsletter.
July 2021 February 2021 June 2020 January 2020 June 2019 May 2018 June


Resources for Communities

The federal government requires communities that participate in the National Flood Insurance Program (NFIP) to adopt updated floodplain regulatory language to comply with NFIP requirements.

Contact Us

David J. Warga, CFM State Floodplain Manager 302-739-9921



Floodplain Mapping

The DNREC Floodplain Management Program works with FEMA to improve the accuracy of Flood Insurance Rate Maps, which were originally created in the 1970s, and to provide technical support pertaining to flood risk.

Contact Us

Gina Tonn, PhD, PE, CFM Engineer


The National Flood Insurance Program

Homeowners’ insurance does not cover flood damage. Flood insurance is available through the National Flood Insurance Program (NFIP).

Contact Us

David J. Warga, CFM State Floodplain Manager 302-739-9921
Floodplain Management


Application for a Permit for Construction Seaward of the DNREC Building Line

The City of Rehoboth has applied for a permit to replace 16 light poles, outfit them for wireless coverage and install conduits for cables on and around the Boardwalk in Rehoboth Beach.


Application for a Permit for Construction Seaward of the DNREC Building Line

Mr. and Mrs. Thomas P. Kane have applied for a permit for construction seaward of the DNREC Building Line to construct a single family dwelling with a cantlievered deck/porch on Lot 5, Bayberry Dunes.


Application for a Permit for Construction Seaward of the DNREC Building Line

Todd Nevin has applied for a permit for construction seaward of the DNREC Building Line to build a single family dwelling with a 12-foot cantilevered deck on Lot 15, Block 1, South Bethany.


Application for a Permit for Construction Seaward of the DNREC Building Line

The Port Lewes Association of Unit Owners has applied for a permit to construct a dune reinforcement system, including placement of sand, and a pedestrian dune crossover.


Application for a Permit for Construction Seaward of the DNREC Building Line

Mr. and Mrs. Douglas Duenkel have applied for a permit for construction seaward of the DNREC Building Line to renovate the existing dwelling, including the construction of a new second story and roof on Lot 3, Block A, in Bethany Beach.


Delaware’s Section 303(d) Waters and Data Solicitation

DNREC announces the availability and opportunity to comment on the Department’s Tentative Determination for Delaware’s 2020 Section 303(d) List (water quality limited segments) and the supporting Documents for the determinations.


Floodplain Mapping for Clear Brook

DNREC and the federal government are working on an update of floodplain maps for Clear Brook, near Seaford in Sussex County. The study involves new data and engineering models. DNREC is gathering input from local property owners and businesses as part of the update.
Update (4/1/2021): FEMA has issued


Information About Vibrio Bacteria

Vibrio are bacteria that occur naturally in brackish waters such as the Delaware Bay, the Inland Bays and tributaries, especially during warm weather months. Vibrio infections are relatively rare in Delaware and nationwide. However, when Vibrio or other bacteria come into contact with an open wound, they can cause serious infections. Vibrio infections can be


What is a Red Tide?

“Red Tide” is the common term for a particular type of harmful algal bloom made up of large concentrations of toxic red dinoflagellates called Karenia brevis (K. Brevis). These are tiny red-colored, naturally-occurring aquatic microorganisms which, in sufficient concentrations, can cause a reddish tint to the water. At very high concentrations, they can cause toxic


Recreational Water Monitoring

The Department of Natural Resources and Environmental Control monitors recreational waters to ensure their quality for swimming and other recreational uses. The Department tests for Enterococcus bacteria, which indicate the presence of other potentially harmful bacteria and viruses. The results of these tests are available online and though an email alert system.


Watershed Stewardship Contacts

Terry L. Deputy, Director 285 Beiser Blvd., Suite 102 Dover, DE 19904 302-739-9921
Watershed Assessment and Management 302-739-9939 Shoreline and Waterway Management 302-739-9921 Conservation Programs 302-739-9921



Determining Dredging Priorities

The Department of Natural Resources and Environmental Control (DNREC) is using stakeholder input to develop a data-based method to prioritize dredging projects in Delaware’s Inland Bays.

Contact Us

Sierra Davis Division of Watershed Stewardship 302-739-9921



Permit Application for Construction Seaward of the DNREC Building Line

McIntyre Beach, LLC has filed an application for a permit for construction seaward of the DNREC Building Line to remove sand from and regrade the west side of the dune on Lot 8, Ocean Breezes, in Sussex County.


Permit Application for Construction Seaward of the DNREC Building Line

Adam and Jessica Randall have applied for a permit for construction seaward of the DNREC building line to replace the second floor and roof of the dwelling and renovate the interior on Lot 95, Prime Hook Beach.


Permit Application for Construction Seaward of the DNREC Building Line

An application has been submitted for a permit for construction seaward of the DNREC Building Line for renovation and expansion of an existing dwelling on Lot 3, Block J, in Broadkill Beach.


Permit Application: Construction Seaward of the DNREC Building Line

Gull’s Nest Homeowners Association has filed an application for a permit for construction seaward of the DNREC Building Line to mechanically scrape sand from the beach to rebuild the dune in Gull’s Nest.


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

DNREC is seeking comments on, and data related to, the 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.


Application for a Permit for Construction Seaward of the DNREC Building Line

Mr. and Mrs. Rollin Bell have applied for a permit for construction seaward of the DNREC Building Line to construct a 3rd floor addition and elevator shaft on the west side of the existing dwelling on Lots 17 & 19, Block D, North Indian Beach.


Request for Proposals: Clean Water Act Section 319 Grants

The DNREC Nonpoint Source Program is soliciting proposals for implementation project funding for federal fiscal year 2020 under Section 319 of the Clean Water Act.


Application for a Permit for Construction Seaward of the DNREC Building Line

Ms. Katherine L. Bishop has applied for a permit to remove sand from the landward side of the dune and relocate it on the Sea Strand property at Unit 20, Block 50, Dewey Beach.


Application for a Permit for Construction Seaward of the Building Line

Anne Fauret and William Gallagheran have applied for a permit for construction seaward of the DNREC Building Line to construct a single family dwelling with a 17.2′ cantilevered deck on Lot 2, Block 7, in South Bethany.


Revised Regulatory Guidance Documents for Public Review

The Department of Natural Resources and Environmental Control (DNREC) Division of Watershed Stewardship Sediment and Stormwater Program has released revised regulatory guidance documents for public review.





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