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 Pages Categorized With: "Watershed Stewardship"

Information About Vibrio Bacteria

Vibrio are bacteria that occur naturally in Delaware’s brackish and marine waters, especially during warm weather months. Vibrio are a normal part of the marine ecosystem, not the result of pollution. Vibrio infections are relatively rare in Delaware and nationwide. Individuals considered at-risk for serious Vibrio infection include small children, senior citizens, and people with


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 waterbodies commonly used for swimming and other recreational activities to provide the public with guidance about water quality.
Recreational Water Monitoring Map Learn About Blue-Green Algae Learn About Vibrio Bacteria Learn About Recreational Water Illnesses



Watershed Stewardship Contacts

Steve Williams, Director 285 Beiser Blvd., Suite 102 Dover, DE 19904 302-739-9921
Watershed Assessment and Management 302-739-9939 Shoreline and Waterway Management 302-608-5500 Conservation Programs 302-608-5458
Drainage Program 21309 Berlin


Determining Dredging Priorities

The DNREC Shoreline and Waterway Management Section uses a data-based method to prioritize statewide dredging projects in Delaware’s Inland Bays and along the Delaware Bay coast.

Contact Us

Shoreline and Waterway Management Section 302-608-5500
Navigable Channels


Waterway Management Workshops

What does it take to keep Delaware’s waterways open and safe? The DNREC Shoreline and Waterway Management Section held a series of informational open house workshops in 2019 to share information about dredging and other waterway management operations in Delaware.

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Shoreline and


2020 Masseys Ditch Dredging Project

The project to dredge Massey’s Ditch, an important navigation channel in the Inland Bays, was completed on February 27, 2020. The demobilization and removal of equipment such as pipeline concluded in mid-March 2020.

Contact Us

Shoreline and Waterway Management Section 302-608-5500



Waterway Management

An important part of the DNREC Division of Watershed Stewardship’s mission is to maintain and improve Delaware’s navigable waterways, including its bays and canals.

Contact Us

Shoreline and Waterway Management Section 302-608-5500
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