The Pocomoke River stretches approximately
[U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data]
The National Map
, accessed April 1, 2011 from southern
Delaware
Delaware ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic and South Atlantic states, South Atlantic regions of the United States. It borders Maryland to its south and west, Pennsylvania to its north, New Jersey ...
through southeastern
Maryland
Maryland ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic region of the United States. It borders the states of Virginia to its south, West Virginia to its west, Pennsylvania to its north, and Delaware to its east ...
in the
United States
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
. At its mouth, the
river
A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...
is essentially an arm of
Chesapeake Bay
The Chesapeake Bay ( ) is the largest estuary in the United States. The bay is located in the Mid-Atlantic (United States), Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula, including parts of the Ea ...
, whereas the upper river flows through a series of relatively inaccessible
wetland
A wetland is a distinct semi-aquatic ecosystem whose groundcovers are flooded or saturated in water, either permanently, for years or decades, or only seasonally. Flooding results in oxygen-poor ( anoxic) processes taking place, especially ...
s called the
Great Cypress Swamp, largely populated by
Loblolly Pine
''Pinus taeda'', commonly known as loblolly pine, is one of several pines native to the Southeastern United States, from East Texas to Florida, and north to southern New Jersey. The wood industry classifies the species as a southern yellow pi ...
,
Red Maple
''Acer rubrum'', the red maple, also known as swamp maple, water maple, or soft maple, is one of the most common and widespread deciduous trees of eastern and central North America. The U.S. Forest Service recognizes it as the most abundant nati ...
and
Bald Cypress
''Taxodium distichum'' (baldcypress, bald-cypress, bald cypress, swamp cypress; ;
''cipre'' in Louisiana) is a deciduous conifer in the family Cupressaceae. It is native to the southeastern United States. Hardy and tough, this tree adapts to a w ...
. The river is the easternmost river that flows into Chesapeake Bay.
"Pocomoke" , though traditionally interpreted as "dark (or black) water" by local residents, is now agreed by scholars of the
Algonquian languages
The Algonquian languages ( ; also Algonkian) are a family of Indigenous languages of the Americas and most of the languages in the Algic language family are included in the group. The name of the Algonquian language family is distinguished from ...
to be derived from the words for "broken (or pierced) ground."
Description
It rises in several forks in the
Great Cypress Swamp in southern
Sussex County, Delaware
Sussex County is a county in the southern part of the U.S. state of Delaware, on the Delmarva Peninsula. As of the 2020 census, the population was 237,378, making it the state's second most populated county behind New Castle and ahead of Ke ...
. From there, it flows south into Maryland, forming the boundary between
Wicomico and
Worcester
Worcester may refer to:
Places United Kingdom
* Worcester, England, a city and the county town of Worcestershire in England
** Worcester (UK Parliament constituency), an area represented by a Member of Parliament
* Worcester Park, London, Engl ...
counties and flowing through the
swamp
A swamp is a forested wetland.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p. Swamps are considered to be transition zones because both land and water play a role in ...
s that are named for the river. At Porter's Crossing it turns southwest, broadening into a slow
meander
A meander is one of a series of regular sinuous curves in the Channel (geography), channel of a river or other watercourse. It is produced as a watercourse erosion, erodes the sediments of an outer, concave bank (cut bank, cut bank or river cl ...
ing river, flowing past the town of
Snow Hill, and then through the
Pocomoke River State Forest
Pocomoke State Forest is a state forest of Maryland that lies on both banks of the Pocomoke River in Worcester County. The portion north of the Pocomoke lies between Dividing and Nassawango Creeks. The Pocomoke River Wildlife Management Ar ...
and past
Pocomoke River State Park
Pocomoke River State Park is a public recreation area lying on both banks of the Pocomoke River between Snow Hill, Maryland, Snow Hill and Pocomoke City in Worcester County, Maryland, Worcester County, Maryland. The state park comprises two area ...
. It then flows past
Pocomoke City, and enters
Pocomoke Sound on the Chesapeake Bay on the state line between Maryland and
Virginia
Virginia, officially the Commonwealth of Virginia, is a U.S. state, state in the Southeastern United States, Southeastern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States between the East Coast of the United States ...
.
It receives
Nassawango Creek from the northwest approximately 1 mile (1.6 km) southwest of Snow Hill. It receives
Dividing Creek from the north approximately 1 mile northeast of Pocomoke City.
The Pocomoke River is designated as
"Scenic" riverby the State of Maryland.
History
In 1635 the mouth of the river was the scene of the first recorded battle in
North America
North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...
between
Englishmen
The English people are an ethnic group and nation native to England, who speak the English language, a West Germanic language, and share a common ancestry, history, and culture. The English identity began with the Anglo-Saxons, when they we ...
. The dispute was between the
Virginia Company
The Virginia Company was an English trading company chartered by King James I on 10 April 1606 with the objective of colonizing the eastern coast of America. The coast was named Virginia, after Elizabeth I, and it stretched from present-day ...
and
Lord Baltimore, the proprietor of the
Maryland Colony
The Province of Maryland was an English and later British colony in North America from 1634 until 1776, when the province was one of the Thirteen Colonies that joined in supporting the American Revolution against Great Britain. In 1781, Maryla ...
, over the rights to
Kent Island
Kent Island is the largest island in the Chesapeake Bay and a historic place in Maryland. To the east, a narrow channel known as the Kent Narrows barely separates the island from the Delmarva Peninsula, and on the other side, the island is sep ...
at the mouth of the
Chester River
The Chester River is a major tributary of the Chesapeake Bay on the Delmarva Peninsula. It is about long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed April 1, 2011 and its waters ...
. The dispute was eventually resolved with a victory for the Maryland colonists.
During the colonial era, various
landings
Landing is the last part of a flight, where a flying animal, aircraft, or spacecraft returns to the ground. When the flying object returns to water, the process is called alighting, although it is commonly called "landing", "touchdown" or "spla ...
grew up along the river, some of which became towns, while others faded into obscurity with the decline of water-borne transport. From the mouth of the river, they are (or were), on the right bank: the landings at
Shelltown (called for many years Steamboat Landing) and
Rehobeth (both in
Somerset County), Puncheon Landing, Stevens Ferry, Cottinghams Ferry, Milburn Landing (now in the Milburn Landing section of the
Pocomoke River State Park
Pocomoke River State Park is a public recreation area lying on both banks of the Pocomoke River between Snow Hill, Maryland, Snow Hill and Pocomoke City in Worcester County, Maryland, Worcester County, Maryland. The state park comprises two area ...
), and Adams Wharf, all in
Worcester County. The landings on the left bank are (or were): Pitts Creek Landing in
Accomack County, Virginia
Accomack County is a United States county that, together with Northampton County, constitutes the Eastern Shore region of the Commonwealth of Virginia. These two counties also form the southern portion of the Delmarva Peninsula, which is bo ...
, Cedar Hall Landing, Stevens Landing (also called Stevens Ferry, which became in turn Newtown and then
Pocomoke City), Cottinghams Ferry, Mattapony Landing (also known as Gibbs Ferry), and finally
Snow Hill, at the head of navigation, also all in
Worcester County.
In 1785, after years of disputes over fishing in Pocomoke Sound and on the Pocomoke River, Maryland and Virginia entered into an interstate compact that
regulated fishing in the area, established a common and free waterway, and covered how criminal trials concerning each other's citizens should be handled.
[Wennersten, John R. ''The Oyster Wars of Chesapeake Bay.'' Washington, D.C.: Eastern Branch Press, 2007, p. 47.] In ''
Wharton v. Wise'', 153 U.S. 155 (1894), the
Supreme Court of the United States
The Supreme Court of the United States (SCOTUS) is the highest court in the federal judiciary of the United States. It has ultimate appellate jurisdiction over all Federal tribunals in the United States, U.S. federal court cases, and over Stat ...
determined that Pocomoke Sound was not covered by this famous interstate compact.
In 1913, to provide better navigation, the mouth of the river was dredged by the
United States Army Corps of Engineers
The United States Army Corps of Engineers (USACE) is the military engineering branch of the United States Army. A direct reporting unit (DRU), it has three primary mission areas: Engineer Regiment, military construction, and civil wo ...
.
In the 1990s, a
microorganism
A microorganism, or microbe, is an organism of microscopic scale, microscopic size, which may exist in its unicellular organism, single-celled form or as a Colony (biology)#Microbial colonies, colony of cells. The possible existence of unseen ...
outbreak on the lower river, possibly ''
Pfiesteria piscicida
''Pfiesteria piscicida'' is a dinoflagellate species of the genus ''Pfiesteria'' that some researchers claim was responsible for many harmful algal blooms in the 1980s and 1990s on the coast of North Carolina and Maryland. North Carolinian media ...
'', led to widespread
fish kill
The term fish kill, known also as fish die-off, refers to a localized mass mortality event, mass die-off of fish populations which may also be associated with more generalized mortality of aquatic life.University of Florida. Gainesville, FL (200 ...
s and illness among the watermen who fish the river and Pocomoke Sound. The illnesses included lesions, respiratory problems, and memory loss. As a result, the lower river and Pocomoke Sound were closed to fishing, boating, and swimming. It is currently
hypothesized
A hypothesis (: hypotheses) is a proposed explanation for a phenomenon. A scientific hypothesis must be based on observations and make a testable and reproducible prediction about reality, in a process beginning with an educated guess or thoug ...
that the microorganism was present before the outbreak but became toxic due to elevated concentrations of
organic waste
Biodegradable waste includes any organic matter in waste which can be broken down into carbon dioxide, water, methane, compost, humus, and simple organic molecules by micro-organisms and other living things by composting, aerobic digestion, ana ...
that had built up in this sprawling
coastal plain
A coastal plain (also coastal plains, coastal lowland, coastal lowlands) is an area of flat, low-lying land adjacent to a sea coast. A fall line commonly marks the border between a coastal plain and an upland area.
Formation
Coastal plains can f ...
river.
See also
*
List of Delaware rivers
List of rivers in Delaware (U.S. state), grouped by type and sorted by name.
Major rivers and creeks (28)
* Appoquinimink River
* Blackbird Creek
* Brandywine Creek
* Broad Creek
* Broadkill River
* Choptank River
*Christina River
*Delaware Rive ...
*
List of Maryland rivers
List of rivers of Maryland (U.S. state).
The list is arranged by drainage basin from east to west, with respective tributaries indented under each larger stream's name and ordered from downstream to upstream.
By drainage basin
Delaware River
*C ...
References
External links
Pocomoke River State Park*
at
USDA
The United States Department of Agriculture (USDA) is an United States federal executive departments, executive department of the Federal government of the United States, United States federal government that aims to meet the needs of commerc ...
Natural Resources Conservation Service
Natural Resources Conservation Service (NRCS), formerly known as the Soil Conservation Service (SCS), is an agency of the United States Department of Agriculture (USDA) that provides technical assistance to farmers and other private landowners and ...
for
Delaware
Delaware ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic and South Atlantic states, South Atlantic regions of the United States. It borders Maryland to its south and west, Pennsylvania to its north, New Jersey ...
{{Authority control
Tributaries of the Chesapeake Bay
Rivers of Delaware
Rivers of Maryland
Rivers of Somerset County, Maryland
Rivers of Wicomico County, Maryland
Rivers of Worcester County, Maryland
Rivers of Accomack County, Virginia
Borders of Maryland
Borders of Virginia
Rivers of Sussex County, Delaware