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 Pages Categorized With: "Assessments"

Wetland Assessment Map

The Wetland Monitoring and Assessment program publishes wetland health assessments of the health of Delaware’s wetlands at a watershed level. The map below provides basic information about the health of the wetlands in Delaware watersheds for which assessments are complete. Watersheds are shown in colors reflecting the overall health of the wetlands


Brandywine Watershed Wetland Assessment

The Brandywine watershed is located within New Castle County, where it encompasses 72,969 acres of land. This is the northernmost watershed in Delaware and is part of the Piedmont region. Though most of the Brandywine watershed is developed, this area contains Category One wetlands, which are unique and ecologically significant freshwater areas.


Chester-Choptank Watershed Wetland Assessment

The Chester-Choptank watershed is located partially in Kent County and partially in New Castle County, where it encompasses 113,944 acres of land. Unlike most of Delaware’s watersheds, the Chester-Choptank drains to the Chesapeake Bay. The Chesapeake Bay drainage basin in Delaware, including the Chester-Choptank watershed, provides an estimated $3.4 billion in ecosystem goods and services.


Mispillion Wetland Assessment

The Mispillion and Cedar Creek watersheds are located in southeastern Kent County and northeastern Sussex County. In Delaware this watershed includes the cities and towns of Milford, Houston, Lincoln and Slaughter Beach.
Wetland Assessment Reports
  • Wetland Assessments


    Appoquinimink River Watershed Wetland Assessment

    The Appoquinimink River watershed is located within New Castle County and contains the Towns of Odessa, Middletown and Townsend. It drains into the Delaware Bay, encompassing 58,591 acres of land.
    Wetland Assessment Reports
  • Wetland Assessments Home



  • Broadkill Watershed Wetland Assessment

    The Broadkill River watershed in Sussex County encompasses 68,500 acres within the Delaware Bay and Estuary Basin. Twenty percent of the watershed is covered in wetlands.
    Wetland Assessment Reports
  • Wetland Assessments Home
  • Appoquinimink Watershed


    Inland Bays Watershed Wetland Assessment

    Unique and rare wetland communities surrounding the Inland Bays include Atlantic White Cedar swamps, sea-level fens, and interdunal swales providing habitat for numerous rare plants and animals.
    Wetland Assessment Reports
  • Wetland Assessments Home
  • Appoquinimink


    Murderkill Watershed Wetland Assessment

    Located in Kent County, the Murderkill watershed covers 28,000 hectares (69,000 acres) within the Delaware Bay and Estuary Basin. This watershed contains many key natural heritage and wildlife habitats such as coastal plain streams and ponds, impoundments, wetlands and beach dunes. Rare wetland habitats including coastal plain ponds and bald cypress riverine patches are located


    Nanticoke Watershed Wetland Assessment

    Located in the Coastal Plain physiographic region, the Nanticoke River watershed historically was very rich in wetland resources which covered an estimated 46 percent of the land area.
    Wetland Assessment Reports
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  • St. Jones Watershed Wetland Assessment

    Located in Kent County, the St. Jones River watershed covers 57,643 acres of the Delaware Bay Basin. The St. Jones River is dammed at Silver Lake in Dover and then winds 10 miles through residential and commercially developed areas, the Delaware National Estuarine Research Reserve, and the Ted Harvey Wildlife Area, before emptying into Delaware


    Wetland Health Assessments

    The Wetland Monitoring and Assessment program is tasked with the job of assessing the health of Delaware’s wetlands.

    Contact Us

    Alison Rogerson Watershed Assessment 302-739-9939
    Wetland Assessment Reports



  • Christina Watershed Wetland Assessment

    The Christina Watershed is located in New Castle County, extending north and west into Maryland and Pennsylvania. In Delaware this watershed includes the cities and towns of Wilmington, Elsmere, Newark, and Christiana.
    Wetland Assessment Reports
  • Wetland Assessments


    Smyrna Watershed Wetland Assessment

    The Smyrna River watershed encompasses 71 square miles and is composed of three sub-watersheds: Smyrna River, Duck Creek, and Cedar Swamp-Delaware Bay. It is located partially in Kent County and partially in New Castle County. The watershed is within the Delaware Bay and Estuary Basin, so all of its waters drain into the Delaware Bay.


    Leipsic Watershed Wetland Assessment

    The Leipsic River watershed is composed of two sub-watersheds, Leipsic River and Little Creek, and encompasses 128 square miles. It is located in Kent County within the Delaware Bay and Estuary Basin, and all of its waters drain into the Delaware Bay. Land cover in this watershed is dominated by wetlands and agriculture.


    Red Lion Watershed Wetland Assessment

    The Red Lion watershed is located within New Castle County, where it encompasses 46,283 acres (72 square miles) of land within the Delaware Bay and Estuary Basin. It is composed of the C&D Canal East, Dragon Creek, Red Lion Creek, Army Creek, and Broad Dike Canal. Approximately 16% of the land area of the watershed





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