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The Delaware River is a major
river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of ...
in the Mid-Atlantic region of the United States. From the meeting of its branches in
Hancock, New York Hancock is a town in Delaware County, New York, United States. The town contains a village, also named Hancock. The town is in the southwest part of the county. The population was 3,224 at the 2010 census. The town is the largest by area in Dela ...
, the river flows for along the borders of
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
,
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
,
New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delawa ...
, and
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacent ...
, before emptying into
Delaware Bay Delaware Bay is the estuary outlet of the Delaware River on the northeast seaboard of the United States. It is approximately in area, the bay's freshwater mixes for many miles with the saltwater of the Atlantic Ocean. The bay is bordered inland ...
. It is the longest free-flowing river in the
Eastern United States The Eastern United States, commonly referred to as the American East, Eastern America, or simply the East, is the region of the United States to the east of the Mississippi River. In some cases the term may refer to a smaller area or the East C ...
. The river has been recognized by the
National Wildlife Federation The National Wildlife Federation (NWF) is the United States' largest private, nonprofit conservation education and advocacy organization, with over six million members and supporters, and 51 state and territorial affiliated organizations (includin ...
as one of the country's Great Waters. The river's
watershed Watershed is a hydrological term, which has been adopted in other fields in a more or less figurative sense. It may refer to: Hydrology * Drainage divide, the line that separates neighbouring drainage basins * Drainage basin, called a "watershe ...
drains an area of and provides drinking water for 17 million people. The river has two branches that rise in the
Catskill Mountains The Catskill Mountains, also known as the Catskills, are a physiographic province of the larger Appalachian Mountains, located in southeastern New York. As a cultural and geographic region, the Catskills are generally defined as those areas cl ...
of New York: the West Branch at Mount Jefferson in Jefferson,
Schoharie County Schoharie County ( ) is a County (United States), county in the U.S. state of New York (state), New York. As of the 2020 United States census, 2020 census, the population was 29,714, making it the state's fifth-least populous county. The county ...
, and the East Branch at Grand Gorge, Delaware County. The branches merge to form the main Delaware River at
Hancock, New York Hancock is a town in Delaware County, New York, United States. The town contains a village, also named Hancock. The town is in the southwest part of the county. The population was 3,224 at the 2010 census. The town is the largest by area in Dela ...
. Flowing south, the river remains relatively undeveloped, with protected as the Upper, Middle, and Lower Delaware National Scenic Rivers. At
Trenton, New Jersey Trenton is the capital city of the U.S. state of New Jersey and the county seat of Mercer County. It was the capital of the United States from November 1 to December 24, 1784.tidal,
navigable A body of water, such as a river, canal or lake, is navigable if it is deep, wide and calm enough for a water vessel (e.g. boats) to pass safely. Such a navigable water is called a ''waterway'', and is preferably with few obstructions against di ...
, and significantly more industrial. This section forms the backbone of the
Delaware Valley The Delaware Valley is a metropolitan region on the East Coast of the United States that comprises and surrounds Philadelphia, the sixth most populous city in the nation and 68th largest city in the world as of 2020. The toponym Delaware Val ...
metropolitan area, serving the port cities of
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since ...
,
Camden, New Jersey Camden is a city in and the county seat of Camden County, in the U.S. state of New Jersey. Camden is part of the Delaware Valley metropolitan area and is located directly across the Delaware River from Philadelphia, Pennsylvania. At the 20 ...
, and
Wilmington, Delaware Wilmington (Unami language, Lenape: ''Paxahakink /'' ''Pakehakink)'' is the largest city in the U.S. state of Delaware. The city was built on the site of Fort Christina, the first Swedish colonization of the Americas, Swedish settlement in North ...
. The river flows into
Delaware Bay Delaware Bay is the estuary outlet of the Delaware River on the northeast seaboard of the United States. It is approximately in area, the bay's freshwater mixes for many miles with the saltwater of the Atlantic Ocean. The bay is bordered inland ...
at Liston Point, upstream of the bay's outlet to the Atlantic Ocean between
Cape May Cape May consists of a peninsula and barrier island system in the U.S. state of New Jersey. It is roughly coterminous with Cape May County and runs southwards from the New Jersey mainland, separating Delaware Bay from the Atlantic Ocean. The so ...
and Cape Henlopen. Before the arrival of European settlers, the river was the homeland of the
Lenape The Lenape (, , or Lenape , del, Lënapeyok) also called the Leni Lenape, Lenni Lenape and Delaware people, are an indigenous peoples of the Northeastern Woodlands, who live in the United States and Canada. Their historical territory inclu ...
Native Americans. They called the river Lenapewihittuk, or Lenape River, and Kithanne, meaning the largest river in this part of the country. In 1609, the river was visited by a
Dutch East India Company The United East India Company ( nl, Verenigde Oostindische Compagnie, the VOC) was a chartered company established on the 20th March 1602 by the States General of the Netherlands amalgamating existing companies into the first joint-stock ...
expedition led by
Henry Hudson Henry Hudson ( 1565 – disappeared 23 June 1611) was an English sea explorer and navigator during the early 17th century, best known for his explorations of present-day Canada and parts of the northeastern United States. In 1607 and 16 ...
. Hudson, an English navigator, was hired to find a western route to
Cathay Cathay (; ) is a historical name for China that was used in Europe. During the early modern period, the term ''Cathay'' initially evolved as a term referring to what is now Northern China, completely separate and distinct from China, which ...
(China), but his discoveries set the stage for Dutch colonization of North America in the 17th century. Early Dutch and Swedish settlements were established along the lower section of the river and
Delaware Bay Delaware Bay is the estuary outlet of the Delaware River on the northeast seaboard of the United States. It is approximately in area, the bay's freshwater mixes for many miles with the saltwater of the Atlantic Ocean. The bay is bordered inland ...
. Both
colonial powers Colonialism is a practice or policy of control by one people or power over other people or areas, often by establishing colonies and generally with the aim of economic dominance. In the process of colonisation, colonisers may impose their relig ...
called the river the ''South River'' (Zuidrivier), compared to the
Hudson River The Hudson River is a river that flows from north to south primarily through eastern New York. It originates in the Adirondack Mountains of Upstate New York and flows southward through the Hudson Valley to the New York Harbor between Ne ...
, which was known as the ''North River''. After the English expelled the Dutch and took control of the New Netherland colony in 1664, the river was renamed ''Delaware'' after Sir Thomas West, 3rd Baron De La Warr, an English nobleman and the Virginia colony's first royal governor who defended the colony during the First Anglo-Powhatan War.


Origin of the name

The Delaware River is named in honor of
Thomas West, 3rd Baron De La Warr Thomas West, 3rd Baron De La Warr ( ; 9 July 1577 – 7 June 1618), was an English merchant and politician, for whom the bay, the river, and, consequently, a Native American people and U.S. state, all later called "Delaware", were named. He was ...
(1577–1618), an English nobleman and the Virginia colony's first royal governor, who defended the colony during the First Anglo-Powhatan War. Lord de la Warr waged a punitive campaign to subdue the
Powhatan The Powhatan people (; also spelled Powatan) may refer to any of the indigenous Algonquian people that are traditionally from eastern Virginia. All of the Powhatan groups descend from the Powhatan Confederacy. In some instances, The Powhatan ...
after they had killed the colony's council president,
John Ratcliffe John Ratcliffe or John Ratcliff may refer to: Politicians *John Ratcliffe (American politician), former Director of National Intelligence, former congressman in Texas' 4th Congressional District, and former U.S. Attorney in the Eastern District of ...
, and attacked the colony's fledgling settlements. Lord de la Warr arrived with 150 soldiers in time to prevent the colony's original settlers at Jamestown from giving up and returning to England and is credited with saving the Virginia colony. The name of the barony (later an
earldom Earl () is a rank of the nobility in the United Kingdom. The title originates in the Old English word ''eorl'', meaning "a man of noble birth or rank". The word is cognate with the Scandinavian form ''jarl'', and meant " chieftain", particula ...
) is pronounced as in the current spelling form "Delaware" ( ) and is thought to derive from
French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...
''de la Guerre''. It has often been reported that the river and bay received the name "Delaware" after
English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ...
forces under
Richard Nicolls Richard Nicolls (sometimes written as Nichols, 1624 – 28 May 1672) was the first English colonial governor of New York province. Early life Nicolls was born in 1624 in Ampthill in Bedfordshire, England. He was the son of Francis Nicolls ( ...
expelled the
Dutch Dutch commonly refers to: * Something of, from, or related to the Netherlands * Dutch people () * Dutch language () Dutch may also refer to: Places * Dutch, West Virginia, a community in the United States * Pennsylvania Dutch Country People E ...
and took control of the New Netherland colony in 1664. However, the river and bay were known by the name ''Delaware'' as early as 1641. The
state State may refer to: Arts, entertainment, and media Literature * ''State Magazine'', a monthly magazine published by the U.S. Department of State * ''The State'' (newspaper), a daily newspaper in Columbia, South Carolina, United States * ''Our S ...
of Delaware was originally part of the
William Penn William Penn ( – ) was an English writer and religious thinker belonging to the Religious Society of Friends (Quakers), and founder of the Province of Pennsylvania, a North American colony of England. He was an early advocate of democracy a ...
's
Pennsylvania colony The Province of Pennsylvania, also known as the Pennsylvania Colony, was a British North American colony founded by William Penn after receiving a land grant from Charles II of England in 1681. The name Pennsylvania ("Penn's Woods") refers to Wi ...
. In 1682, the
Duke of York Duke of York is a title of nobility in the Peerage of the United Kingdom. Since the 15th century, it has, when granted, usually been given to the second son of English (later British) monarchs. The equivalent title in the Scottish peerage was ...
granted Penn's request for access to the sea and leased him the territory along the western shore of Delaware Bay, which became known as the "Lower Counties on the Delaware". In 1704, the Lower Counties were given political autonomy to form a separate provincial assembly, but they shared Pennsylvania's provincial governor until the two colonies separated on June 15, 1776, and they remained separate as states after the establishment of the United States. The name "Delaware" also came to be used as a collective name for the
Lenape The Lenape (, , or Lenape , del, Lënapeyok) also called the Leni Lenape, Lenni Lenape and Delaware people, are an indigenous peoples of the Northeastern Woodlands, who live in the United States and Canada. Their historical territory inclu ...
, a Native American people who inhabited an area of the basins of the
Susquehanna River The Susquehanna River (; Lenape: Siskëwahane) is a major river located in the Mid-Atlantic region of the United States, overlapping between the lower Northeast and the Upland South. At long, it is the longest river on the East Coast of the ...
, Delaware River, and lower
Hudson River The Hudson River is a river that flows from north to south primarily through eastern New York. It originates in the Adirondack Mountains of Upstate New York and flows southward through the Hudson Valley to the New York Harbor between Ne ...
in the
northeastern United States The Northeastern United States, also referred to as the Northeast, the East Coast, or the American Northeast, is a geographic region of the United States. It is located on the Atlantic coast of North America, with Canada to its north, the Southe ...
at the time of European settlement, as well as for their
language Language is a structured system of communication. The structure of a language is its grammar and the free components are its vocabulary. Languages are the primary means by which humans communicate, and may be conveyed through a variety of ...
. As a result of disruption following the
French and Indian War The French and Indian War (1754–1763) was a theater of the Seven Years' War, which pitted the North American colonies of the British Empire against those of the French, each side being supported by various Native American tribes. At the st ...
,
American Revolutionary War The American Revolutionary War (April 19, 1775 – September 3, 1783), also known as the Revolutionary War or American War of Independence, was a major war of the American Revolution. Widely considered as the war that secured the independence of t ...
, and the later Indian removals from the eastern United States, the name "Delaware" has been spread with the Lenape's diaspora to municipalities, counties and other geographical features in the American Midwest and Canada.


Watershed

The Delaware River's
drainage basin A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...
has an area of and encompasses 42 counties and 838 municipalities in five U.S. states: New York, New Jersey, Pennsylvania, Maryland, and Delaware.Philadelphia Water Department
"Moving from Assessment to Protection…The Delaware River Watershed Source Water Protection Plan" (PWSID #1510001)
(June 2007). Retrieved July 17, 2013. This total area constitutes approximately 0.4% of the land mass in the United States. In 2001, the watershed was 18% agricultural land, 14% developed land, and 68% forested land. There are 216 tributary streams and creeks comprising an estimated 14,057 miles of streams and creeks, in the watershed. While the watershed is home to 4.17 million people according to the 2000 Federal Census, these bodies of water provide drinking water to 17 million people—roughly 6% of the population of the United States. The waters of the Delaware River's basin are used to sustain "fishing, transportation, power, cooling, recreation, and other industrial and residential purposes." It is the 33rd largest river in the United States in terms of flow, but the nation's most heavily used rivers in daily volume of tonnage. The average annual flow rate of the Delaware is 11,700 cubic feet per second at
Trenton, New Jersey Trenton is the capital city of the U.S. state of New Jersey and the county seat of Mercer County. It was the capital of the United States from November 1 to December 24, 1784. With no dams or impediments on the river's main stem, the Delaware is one of the few remaining large free-flowing rivers in the United States.


Course


West Branch of the Delaware

The West Branch of the Delaware River, also called the Mohawk Branch, spans approximately from the northern
Catskill Mountains The Catskill Mountains, also known as the Catskills, are a physiographic province of the larger Appalachian Mountains, located in southeastern New York. As a cultural and geographic region, the Catskills are generally defined as those areas cl ...
to its
confluence In geography, a confluence (also: ''conflux'') occurs where two or more flowing bodies of water join to form a single channel. A confluence can occur in several configurations: at the point where a tributary joins a larger river (main stem); o ...
with the Delaware River's East Branch at
Hancock, New York Hancock is a town in Delaware County, New York, United States. The town contains a village, also named Hancock. The town is in the southwest part of the county. The population was 3,224 at the 2010 census. The town is the largest by area in Dela ...
. The last forms part of the boundary between New York and Pennsylvania. The West Branch rises in
Schoharie County Schoharie County ( ) is a County (United States), county in the U.S. state of New York (state), New York. As of the 2020 United States census, 2020 census, the population was 29,714, making it the state's fifth-least populous county. The county ...
, New York at above sea level, near Mount Jefferson, and flows tortuously through the plateau in a deep trough. The branch flows generally southwest, entering Delaware County and flowing through the towns of Stamford and
Delhi Delhi, officially the National Capital Territory (NCT) of Delhi, is a city and a union territory of India containing New Delhi, the capital of India. Straddling the Yamuna river, primarily its western or right bank, Delhi shares borders w ...
. In southwestern Delaware County it flows in an increasingly winding course through the mountains, generally southwest. At Stilesville the West Branch was impounded in the 1960s to form the
Cannonsville Reservoir The Cannonsville Reservoir is a reservoir in the New York City water supply system in Delaware County, New York. It was formed by construction of the Cannonsville Dam on its west end, which impounded over half of the West Branch of the Delaware ...
, the westernmost of the reservoirs in the New York City water system. It is the most recently constructed New York City reservoir and began serving the city in 1964. Draining a large watershed of , the reservoir's capacity is . This water flows over halfway through the reservoir to enter the West Delaware Tunnel in Tompkins, New York. Then it flows through the aqueduct into the Rondout Reservoir, where the water enters the
Delaware Aqueduct The Delaware Aqueduct is an aqueduct in the New York City water supply system. It takes water from the Rondout, Cannonsville, Neversink, and Pepacton reservoirs on the west bank of the Hudson River through the Chelsea Pump Station, then into ...
, that contributes to roughly 50% of the city's drinking water supply. At Deposit, on the border between Broome and Delaware counties, it turns sharply to the southeast and is paralleled by New York State Route 17. It joins the East Branch at above sea level at
Hancock Hancock may refer to: Places in the United States * Hancock, Iowa * Hancock, Maine * Hancock, Maryland * Hancock, Massachusetts * Hancock, Michigan * Hancock, Minnesota * Hancock, Missouri * Hancock, New Hampshire ** Hancock (CDP), New Hampshir ...
to form the Delaware.


East Branch of the Delaware

Similarly, the East Branch begins from a small pond south of Grand Gorge in the
town A town is a human settlement. Towns are generally larger than villages and smaller than cities, though the criteria to distinguish between them vary considerably in different parts of the world. Origin and use The word "town" shares an o ...
of
Roxbury Roxbury may refer to: Places ;Canada * Roxbury, Nova Scotia * Roxbury, Prince Edward Island ;United States * Roxbury, Connecticut * Roxbury, Kansas * Roxbury, Maine * Roxbury, Boston, a municipality that was later integrated into the city of Bo ...
in Delaware County, flowing southwest toward its impoundment by New York City to create the
Pepacton Reservoir The Pepacton Reservoir, also known as the Downsville Reservoir, is a reservoir in Delaware County, New York on the East Branch of the Delaware River in the Catskill Mountains of New York. Part of the New York City water supply system, it was fo ...
, the largest reservoir in the
New York City water supply system A combination of aqueducts, reservoirs, and tunnels supplies fresh water to New York City. With three major water systems ( Croton, Catskill, and Delaware) stretching up to away from the city, its water supply system is one of the most exte ...
. Its tributaries are the Beaver Kill River and the Willowemoc Creek which enter into the river ten miles (16 km) before the West Branch meets the East Branch. The confluence of the two branches is just south of
Hancock Hancock may refer to: Places in the United States * Hancock, Iowa * Hancock, Maine * Hancock, Maryland * Hancock, Massachusetts * Hancock, Michigan * Hancock, Minnesota * Hancock, Missouri * Hancock, New Hampshire ** Hancock (CDP), New Hampshir ...
. The East Branch and West Branch of the Delaware River parallel each other, both flowing in a southwesterly direction.


Upper Delaware Valley

From
Hancock, New York Hancock is a town in Delaware County, New York, United States. The town contains a village, also named Hancock. The town is in the southwest part of the county. The population was 3,224 at the 2010 census. The town is the largest by area in Dela ...
, the Delaware flows between the northern Poconos in Pennsylvania, and the lowered shale beds north of the Catskills. The river flows down a broad Appalachian valley, passing Hawk's Nest overlook on the Upper Delaware Scenic Byway. The river flows southeast for 78 miles through rural regions along the New York-Pennsylvania border to Port Jervis and
Shawangunk Ridge The Shawangunk Ridge , also known as the Shawangunk Mountains or The Gunks, is a ridge of bedrock in Ulster County, Sullivan County and Orange County in the state of New York, extending from the northernmost point of the border with New Jerse ...
.


The Minisink

At Port Jervis, New York, it enters the Port Jervis trough. At this point, the Walpack Ridge deflects the Delaware into the Minisink Valley, where it follows the southwest strike of the eroded
Marcellus Formation The Marcellus Formation or the Marcellus Shale is a Middle Devonian age unit of sedimentary rock found in eastern North America. Named for a distinctive outcrop near the village of Marcellus, New York, in the United States, it extends throughou ...
beds A bed is an item of furniture that is used as a place to sleep, rest, and relax. Most modern beds consist of a soft, cushioned mattress on a bed frame. The mattress rests either on a solid base, often wood slats, or a sprung base. Many be ...
along the Pennsylvania–New Jersey state line for to the end of the ridge at Walpack Bend in the
Delaware Water Gap National Recreation Area Delaware Water Gap National Recreation Area is a national recreation area administered by the National Park Service in northwest New Jersey and northeast Pennsylvania. It is centered around a stretch of the Delaware River designated the Middl ...
. The Minisink is a buried valley where the Delaware flows in a bed of
glacial A glacial period (alternatively glacial or glaciation) is an interval of time (thousands of years) within an ice age that is marked by colder temperatures and glacier advances. Interglacials, on the other hand, are periods of warmer climate betwe ...
till image:Geschiebemergel.JPG, Closeup of glacial till. Note that the larger grains (pebbles and gravel) in the till are completely surrounded by the matrix of finer material (silt and sand), and this characteristic, known as ''matrix support'', is d ...
that buried the eroded bedrock during the last glacial period. It then skirts the Kittatinny ridge, which it crosses at the
Delaware Water Gap Delaware Water Gap is a water gap on the border of the U.S. states of New Jersey and Pennsylvania where the Delaware River cuts through a large ridge of the Appalachian Mountains. The gap makes up the southern portion of the Delaware Water Gap ...
, between nearly vertical walls of
sandstone Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicat ...
,
quartzite Quartzite is a hard, non- foliated metamorphic rock which was originally pure quartz sandstone.Essentials of Geology, 3rd Edition, Stephen Marshak, p 182 Sandstone is converted into quartzite through heating and pressure usually related to tec ...
, and
conglomerate Conglomerate or conglomeration may refer to: * Conglomerate (company) * Conglomerate (geology) * Conglomerate (mathematics) In popular culture: * The Conglomerate (American group), a production crew and musical group founded by Busta Rhymes ** ...
, and then passes through a quiet and charming country of farm and forest, diversified with plateaus and escarpments, until it crosses the Appalachian plain and enters the hills again at Easton, Pennsylvania. From this point it is flanked at intervals by fine hills, and in places by cliffs, of which the finest are the Nockamixon Cliffs, long and above high. The
Appalachian Trail The Appalachian Trail (also called the A.T.), is a hiking trail in the Eastern United States, extending almost between Springer Mountain in Georgia and Mount Katahdin in Maine, and passing through 14 states.Gailey, Chris (2006)"Appalachian ...
, which traverses the ridge of Kittatinny Mountain in New Jersey, and Blue Mountain in Pennsylvania, crosses the Delaware River at the Delaware Water Gap near Columbia, New Jersey.


Central Delaware Valley

In
Easton, Pennsylvania Easton is a city in, and the county seat of, Northampton County, Pennsylvania, United States. The city's population was 28,127 as of the 2020 census. Easton is located at the confluence of the Lehigh River, a river that joins the Delaware Ri ...
, the
Lehigh River The Lehigh River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed April 1, 2011 tributary of the Delaware River in eastern Pennsylvania. The river flows in a generally southward pat ...
joins the Delaware. At Trenton, the Delaware crosses the Atlantic Seaboard Fall Line with a drop of .


Lower Delaware and Tidewater

Below Trenton, the Delaware flows between
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since ...
and
New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delawa ...
before becoming a broad, sluggish inlet of the sea, with many marshes along its side, widening steadily into its great estuary,
Delaware Bay Delaware Bay is the estuary outlet of the Delaware River on the northeast seaboard of the United States. It is approximately in area, the bay's freshwater mixes for many miles with the saltwater of the Atlantic Ocean. The bay is bordered inland ...
. The Delaware River constitutes the boundary between Delaware and New Jersey. The Delaware-New Jersey border is actually at the easternmost river shoreline within the Twelve-Mile Circle of New Castle, rather than mid-river or mid-channel borders, causing small portions of land lying west of the shoreline, but on the New Jersey side of the river, to fall under the jurisdiction of Delaware. The rest of the borders follow a mid-channel approach.


History

At the time of the arrival of the
Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...
ans in the early 17th century, the area near the Delaware River was inhabited by the Native American
Lenape The Lenape (, , or Lenape , del, Lënapeyok) also called the Leni Lenape, Lenni Lenape and Delaware people, are an indigenous peoples of the Northeastern Woodlands, who live in the United States and Canada. Their historical territory inclu ...
people. They called the Delaware River "Lenape Wihittuck", which means "the rapid stream of the Lenape".Delaware Place Names
United States Geological Survey The United States Geological Survey (USGS), formerly simply known as the Geological Survey, is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, ...
 The Delaware River played a key factor in the economic and social development of the Mid-Atlantic region. In the seventeenth century it provided the conduit for colonial settlement by the
Dutch Dutch commonly refers to: * Something of, from, or related to the Netherlands * Dutch people () * Dutch language () Dutch may also refer to: Places * Dutch, West Virginia, a community in the United States * Pennsylvania Dutch Country People E ...
(
New Netherland New Netherland ( nl, Nieuw Nederland; la, Novum Belgium or ) was a 17th-century colonial province of the Dutch Republic that was located on the east coast of what is now the United States. The claimed territories extended from the Delmarva ...
), the Swedish (
New Sweden New Sweden ( sv, Nya Sverige) was a Swedish colony along the lower reaches of the Delaware River in what is now the United States from 1638 to 1655, established during the Thirty Years' War when Sweden was a great military power. New Sweden f ...
). Beginning in 1664, the region became an English possession as settlement by Quakers established the colonies of
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
(including present-day
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacent ...
) and
West Jersey West Jersey and East Jersey were two distinct parts of the Province of New Jersey. The political division existed for 28 years, between 1674 and 1702. Determination of an exact location for a border between West Jersey and East Jersey was ofte ...
. In the eighteenth century, cities like
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since ...
, Camden (then Cooper's Ferry), Trenton and Wilmington, and New Castle were established upon the Delaware and their continued commercial success into the present day has been dependent on access to the river for trade and power. The river provided the path for the settlement of northeastern Pennsylvania's
Lehigh Valley The Lehigh Valley (), known colloquially as The Valley, is a geographic region formed by the Lehigh River in Lehigh County and Northampton County in eastern Pennsylvania. It is a component valley of the Great Appalachian Valley bound to the no ...
, and northwestern New Jersey by
German Palatine Palatines (german: Pfälzer), also known as the Palatine Dutch, are the people and princes of Palatinates ( Holy Roman principalities) of the Holy Roman Empire. The Palatine diaspora includes the Pennsylvania Dutch and New York Dutch. In 17 ...
immigrants—a population that became key in the agricultural development of the region.


American Revolutionary War

The strategic Delaware River was the scene of several important campaigns during the
American Revolutionary War The American Revolutionary War (April 19, 1775 – September 3, 1783), also known as the Revolutionary War or American War of Independence, was a major war of the American Revolution. Widely considered as the war that secured the independence of t ...
. Perhaps the most famous event was
George Washington's crossing of the Delaware River George Washington's crossing of the Delaware River occurred on the night of December 25–26, 1776, during the American Revolutionary War, was the first move in a surprise attack organized by George Washington against Hessian forces, whic ...
with the
Continental Army The Continental Army was the army of the United Colonies (the Thirteen Colonies) in the Revolutionary-era United States. It was formed by the Second Continental Congress after the outbreak of the American Revolutionary War, and was establis ...
on the night of December 25–26, 1776, leading to a successful surprise attack and victory against the Hessian troops occupying
Trenton, New Jersey Trenton is the capital city of the U.S. state of New Jersey and the county seat of Mercer County. It was the capital of the United States from November 1 to December 24, 1784.Philadelphia Campaign The Philadelphia campaign (1777–1778) was a British effort in the American Revolutionary War to gain control of Philadelphia, which was then the seat of the Second Continental Congress. British General William Howe, after failing to dra ...
control of the Delaware River was urgently needed by the British, allowing their naval fleet to supply troops occupying Philadelphia. To this end, the
Battle of Red Bank The Battle of Red Bank was a battle fought on October 22, 1777 during the American Revolutionary War in which a British and Hessian force was sent to take Fort Mercer on the left bank (or New Jersey side) of the Delaware River just south of Phi ...
and the
Siege of Fort Mifflin The siege of Fort Mifflin or siege of Mud Island Fort from September 26 to November 16, 1777 saw British land batteries commanded by Captain John Montresor and a British naval squadron under Vice Admiral Lord Richard Howe attempt to capture an ...
were fought on and along the shores of the Delaware by the American and British navies, commanded by Commodore John Hazelwood and Admiral Francis Reynolds respectively. See historical map of that campaign.


Canals

The magnitude of the commerce of
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since ...
has made the improvements of the river below that port of great importance. Small improvements were attempted by
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
as early as 1771. Commerce was once important on the upper river, primarily prior to railway competition of 1857. * The
Delaware Division of the Pennsylvania Canal The Delaware Division of the Pennsylvania Canal, more commonly called the Delaware Canal, runs for parallel to the right bank of the Delaware River from the entry locks near the mouth of the Lehigh River and terminal end of the Lehigh Canal at E ...
, running parallel with the river from Easton to Bristol, opened in 1830. * The
Delaware and Raritan Canal The Delaware and Raritan Canal (D&R Canal) is a canal in central New Jersey, built in the 1830s, that served to connect the Delaware River to the Raritan River. It was an efficient and reliable means of transportation of freight between Philadelp ...
, which runs along the New Jersey side of the Delaware River from Bulls Island, New Jersey to Trenton, unites the waters of the Delaware and Raritan rivers as it empties the waters of the Delaware River via the canal outlet in
New Brunswick New Brunswick (french: Nouveau-Brunswick, , locally ) is one of the thirteen provinces and territories of Canada. It is one of the three Maritime provinces and one of the four Atlantic provinces. It is the only province with both English and ...
. This canal water conduit is still used as a water supply source by the State of
New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delawa ...
. * The
Morris Canal The Morris Canal (1829–1924) was a common carrier anthracite coal canal across northern New Jersey that connected the two industrial canals at Easton, Pennsylvania across the Delaware River from its western terminus at Phillipsburg, New Jers ...
(now abandoned and almost completely filled in) and the
Delaware and Hudson Canal The Delaware and Hudson Canal was the first venture of the Delaware and Hudson Canal Company, which would later build the Delaware and Hudson Railway. Between 1828 and 1899, the canal's barges carried anthracite coal from the mines of northeast ...
connected the Delaware and Hudson rivers. * The
Chesapeake and Delaware Canal The Chesapeake & Delaware Canal (C&D Canal) is a -long, -wide and -deep ship canal that connects the Delaware River with the Chesapeake Bay in the states of Delaware and Maryland in the United States. In the mid‑17th century, mapmaker Au ...
joins the waters of the Delaware with those of the
Chesapeake Bay The Chesapeake Bay ( ) is the largest estuary in the United States. The Bay is located in the Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula (including the parts: the Eastern Shore of Maryland / ...
.


Delaware Water Gap National Recreation Area

The
Delaware Water Gap National Recreation Area Delaware Water Gap National Recreation Area is a national recreation area administered by the National Park Service in northwest New Jersey and northeast Pennsylvania. It is centered around a stretch of the Delaware River designated the Middl ...
came about as a result of the failure of a controversial plan to build a dam on the Delaware River at
Tocks Island A 1950s proposal to construct a dam near Tocks Island across the Delaware River was met with considerable controversy and protest. Tocks Island is located in the Delaware River a short distance north from the Delaware Water Gap. In order to co ...
, just north of the
Delaware Water Gap Delaware Water Gap is a water gap on the border of the U.S. states of New Jersey and Pennsylvania where the Delaware River cuts through a large ridge of the Appalachian Mountains. The gap makes up the southern portion of the Delaware Water Gap ...
to control water levels for flood control and hydroelectric power generation. The dam would have created a lake in the center of present park for use as a reservoir. Starting in 1960, the present-day area of the Recreation Area was acquired for the Army Corps of Engineers through
eminent domain Eminent domain (United States, Philippines), land acquisition (India, Malaysia, Singapore), compulsory purchase/acquisition (Australia, New Zealand, Ireland, United Kingdom), resumption (Hong Kong, Uganda), resumption/compulsory acquisition (Austr ...
. Between 3,000 and 5,000 dwellings were demolished, including historical sites, and about 15,000 people were displaced by the project. Because of massive environmental opposition, dwindling funds, and an unacceptable geological assessment of the dam's safety, the government transferred the property to the
National Park Service The National Park Service (NPS) is an agency of the United States federal government within the U.S. Department of the Interior that manages all national parks, most national monuments, and other natural, historical, and recreational properti ...
in 1978. The National Park Service found itself as the caretaker of the previously endangered territory, and with the help of the federal government and surrounding communities, developed recreational facilities and worked to preserve the remaining historical structures. The nearby Shawnee Inn,Squeri, p. 182. was identified in the 1990s as the only resort along the banks of the Delaware River. America Rivers, an environmental advocacy group, named the Delaware River as the river of the year for 2020.


Commerce


Wine regions

In 1984, the
U.S. Department of the Treasury The Department of the Treasury (USDT) is the national treasury and finance department of the federal government of the United States, where it serves as an executive department. The department oversees the Bureau of Engraving and Printing and ...
authorized the creation of a wine region or "
American Viticultural Area An American Viticultural Area (AVA) is a designated wine grape-growing region in the United States, providing an official appellation for the mutual benefit of wineries and consumers. Winemakers frequently want their consumers to know about t ...
" called the Central Delaware Valley AVA located in southeastern
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
and
New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delawa ...
. The
wine Wine is an alcoholic drink typically made from Fermentation in winemaking, fermented grapes. Yeast in winemaking, Yeast consumes the sugar in the grapes and converts it to ethanol and carbon dioxide, releasing heat in the process. Different ...
appellation An appellation is a legally defined and protected geographical indication primarily used to identify where the grapes for a wine were grown, although other types of food often have appellations as well. Restrictions other than geographical bo ...
includes surrounding the Delaware River north of
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since ...
and Trenton, New Jersey. In Pennsylvania, it consists of the territory along the Delaware River in
Bucks County Bucks County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 646,538, making it the fourth-most populous county in Pennsylvania. Its county seat is Doylestown. The county is named after the English ...
; in New Jersey, the AVA spans along the river in
Hunterdon County Hunterdon County is a county located in the western section of the U.S. state of New Jersey. As of the 2020 U.S. census, the county's population was 128,947, making it the state's 18th-most populous county,Mercer County from Titusville, New Jersey, just north of Trenton, northward to Musconetcong Mountain.Code of Federal Regulations
Section 9.49 Central Delaware Valley.
(27 CFR 9.49) from ''Title 27 - Alcohol, Tobacco Products and Firearms. CHAPTER I - ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY. SUBCHAPTER A - LIQUORS. PART 9 - AMERICAN VITICULTURAL AREAS. Subpart C - Approved American Viticultural Areas.'' Retrieved June 30, 2013. As of 2013, there are no
New Jersey wine The production of wine in New Jersey has increased significantly in the last thirty years with the opening of new wineries. Beginning in 1981, the state legislature relaxed Prohibition-era restrictions and crafted new laws to facilitate the gro ...
ries in the Central Delaware Valley AVA.


Shipping

In the Project of 1885, the U.S. government undertook systematically the formation of a channel wide from Philadelphia to deep water in
Delaware Bay Delaware Bay is the estuary outlet of the Delaware River on the northeast seaboard of the United States. It is approximately in area, the bay's freshwater mixes for many miles with the saltwater of the Atlantic Ocean. The bay is bordered inland ...
. The
River and Harbor Act Rivers and Harbors Act may refer to one of many pieces of legislation and appropriations passed by the United States Congress since the first such legislation in 1824. At that time Congress appropriated $75,000 to improve navigation on the Ohio and ...
of 1899 provided for a channel wide from Philadelphia to the deep water of the bay. Since 1941, the Delaware River Main Channel was maintained at a depth of . There is an effort underway to deepen the 102.5-mile stretch of this federal navigation channel, from
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since ...
and Camden to the mouth of the Delaware Bay to 45 feet.U.S. Army Corps of Engineers.
Delaware River Main Channel Deepening Project
''. (May 2012). Retrieved July 14, 2013. The Delaware River port complex refers to the ports and energy facilities along the river in the tri-state PA- NJ- DE
Delaware Valley The Delaware Valley is a metropolitan region on the East Coast of the United States that comprises and surrounds Philadelphia, the sixth most populous city in the nation and 68th largest city in the world as of 2020. The toponym Delaware Val ...
region. They include the
Port of Salem The Port of Salem is a shallow-draft (16 feet) port in the vicinity of the Salem River Cut-Off on the Salem River in Salem, New Jersey in the United States about east of the Delaware River and about from the Atlantic Ocean. It was re-designated ...
, the Port of Wilmington, the
Port of Chester The Port of Chester is an American port on the west bank of the Delaware River in Delaware County, Pennsylvania. Centered around Chester it ranges into Marcus Hook to the south and Eddystone to the north. It is part of the Delaware Valley port ...
, the
Port of Paulsboro The Port of Paulsboro is located on the Delaware River and Mantua Creek in and around Paulsboro, in Gloucester County, New Jersey, approximately from the Atlantic Ocean. Traditionally one of the nation's busiest for marine transfer operations ...
, the
Port of Philadelphia The Port of Philadelphia is located on the Delaware River in Philadelphia in the U.S. state of Pennsylvania. Generally the term applies to the publicly owned marine terminals located within Philadelphia city limits along west bank of the river. Th ...
and the
Port of Camden The Port of Camden is situated on east bank of the Delaware River in Camden and Gloucester City in southern New Jersey. It is one of several ports in the Delaware Valley metro area port complex and is located near the mouth of Newtown Creek opp ...
. Combined they create one of the largest shipping areas of the United States. In 2015, the ports of Philadelphia, Camden, and Wilmington handled 100 million tons of cargo from 2,243 ship arrivals, and supported 135,000 direct or indirect jobs. The biggest category of imports was fruit, carried by 490 ships, followed by petroleum, and containers, with 410 and 381 ships, respectively. The biggest category of exports was of shipping was containers, with 470 ships. In 2016, 2,427 ships arrived at Delaware River port facilities. Fruit ships were counted at 577, petroleum at 474, and containerized cargo at 431. At one time it was a center for petroleum and chemical products and included facilities such as the
Delaware City Refinery The Delaware City Refinery, currently owned by Delaware City Refining Corporation, a subsidiary of PBF Energy, is an oil refinery in Delaware City, Delaware. When operational it has a total throughput capacity of , and employs around 570 individu ...
, the
Dupont Chambers Works Carneys Point Township is a township in Salem County, New Jersey, United States. As of the 2010 United States Census, the township's population was 8,049, reflecting an increase of 365 (+4.8%) from the 7,684 counted in the 2000 Census, which h ...
, Oceanport Terminal at Claymont, the Marcus Hook Refinery, the
Trainer Refinery Trainer Refinery is an oil refining facility located in Trainer, Delaware County, Pennsylvania. The facility is about downstream from the Port of Chester and fifteen miles southwest of Philadelphia along the Delaware River. Stoney Creek is al ...
, the Paulsboro Asphalt Refinery, Paulsboro Refinery, Eagle Point Refinery, and Sunoco Fort Mifflin. As of 2011,
crude oil Petroleum, also known as crude oil, or simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrocarbons, and is found in geological formations. The name ''petroleum'' covers both naturally occurring unprocessed crude ...
was the largest single commodity transported on the Delaware River, accounting for half of all annual cargo tonnage.


Crossings

The Delaware River is a major barrier to travel between
New Jersey New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delawa ...
and
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
. Most of the larger bridges are tolled only westbound, and are owned by the
Delaware River and Bay Authority The Delaware River and Bay Authority or DRBA is a bi-state government agency of the U.S. states of New Jersey and Delaware established by an interstate compact in 1962. The authority operates the Delaware Memorial twin suspension bridges, t ...
,
Delaware River Port Authority The Delaware River Port Authority (DRPA), officially the Delaware River Port Authority of Pennsylvania and New Jersey, is a bi-state agency instrumentality created by a congressionally approved interstate compact between the governments of Pen ...
,
Burlington County Bridge Commission The Burlington County Bridge Commission is a public agency responsible for the operation and maintenance of several bridges in Burlington County, New Jersey, United States, across the Delaware River. It now manages eight bridges, including the Tac ...
or
Delaware River Joint Toll Bridge Commission The Delaware River Joint Toll Bridge Commission (DRJTBC) is a bistate, public agency that maintains and operates river crossings connecting the U.S. states of Pennsylvania and New Jersey. The agency's jurisdiction stretches roughly along the Dela ...
.


Environmental issues


New York City water supply

After
New York City New York, often called New York City or NYC, is the List of United States cities by population, most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the L ...
built 15 reservoirs to supply water to the city's growing population, it was unable to obtain permission to build an additional five reservoirs along the Delaware River's tributaries. As a result, in 1928 the city decided to draw water from the Delaware River, putting them in direct conflict with villages and towns across the river in
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
which were already using the Delaware for their water supply. The two sides eventually took their case to the U.S. Supreme Court, and in 1931, New York City was allowed to draw of water a day from the Delaware and its upstream tributaries.


Pollution

The Delaware River has been attached to areas of high pollution. The Delaware River in 2012 was named the 5th most polluted river in the United States, explained by PennEnvironment and Environment New Jersey. The activist groups claim that there is about 7–10 million pounds of toxic chemicals flowing through the waterways due to dumping by DuPont Chambers Works. PennEnvironment also claims that the pollutants in the river can cause birth defects, infertility among women, and have been linked to cancer. In 2015, the EPA saw the Delaware River as a concern for mass pollution especially in the Greater Philadelphia and Chester, Pennsylvania area. The EPA was involved after accusations that the river met standards made illegal by the Clean Water Act. In complying with the Clean Water Act, the EPA involved the Delaware County Regional Water Authority (DELCORA) where they set up a plan to spend around $200 million to help rid the waterway of about 740 million gallons of sewage and pollution. DELCORA was also fined about $1.4 million for allowing the Delaware River to have so much pollution residing in the river in the first place and for not complying with the Clean Water Act. The Clean Water Act explains the importance of low pollution for human and species health. One of the sectors in the Clean Water Act explains how conditions of the river should be stable enough for human fishing and swimming. Even though the river has had success with the cleanup of pollution, the Delaware River still does not meet that standard of swimmable or fishable conditions in the Philadelphia/ Chester region.


Flooding

With the failure of the dam project to come to fruition, the lack of flood control on the river left it vulnerable, and it has experienced a number of serious flooding events as the result of snow melt or rain run-off from heavy rainstorms. Record flooding occurred in August 1955, in the aftermath of the passing of the remnants of two separate hurricanes over the area within less than a week: first Hurricane Connie and then
Hurricane Diane Hurricane Diane was the first Atlantic hurricane to cause more than an estimated $1 billion in damage (in 1955 dollars, which would be $ today), including direct costs and the loss of business and personal revenue. It formed on August 7 ...
, which was, and still is, the wettest tropical cyclone to have hit the northeastern United States. The river gauge at Riegelsville, Pennsylvania recorded an all-time record crest of on August 19, 1955. More recently, moderate to severe flooding has occurred along the river. The same gauge at Riegelsville recorded a peak of on September 23, 2004, on April 4, 2005, and on June 28, 2006, all considerably higher than the flood stage of . Since the upper Delaware basin has few population centers along its banks, flooding in this area mainly affects natural unpopulated flood plains. Residents in the middle part of the Delaware basin experience flooding, including three major floods in the three years (2004–2006) that have severely damaged their homes and land. The lower part of the Delaware basin from Philadelphia southward to the Delaware Bay is tidal and much wider than portions further north, and is not prone to river-related flooding (although tidal surges can cause minor flooding in this area). The Delaware River Basin Commission, along with local governments, is working to try to address the issue of flooding along the river. As the past few years have seen a rise in catastrophic floods, most residents of the river basin feel that something must be done. The local governments have worked in association with FEMA to address many of these problems, however, due to insufficient federal funds, progress is slow.


Oil spills

A number of
oil spill An oil spill is the release of a liquid petroleum hydrocarbon into the environment, especially the marine ecosystem, due to human activity, and is a form of pollution. The term is usually given to marine oil spills, where oil is released into t ...
s have taken place in the Delaware over the years. * Jan 31, 1975 – around of crude oil spilled from the ''Corinthos'' tanker * Sep 28, 1985 – of crude oil spilled from the ''Grand Eagle'' tanker after running aground on Marcus Hook Bar * Jun 24, 1989 – of crude oil spilled from the ''Presidente Rivera'' tanker after running aground on Claymont Shoal * Nov 26, 2004 – of crude oil spilled from the ''Athos 1'' tanker; the tanker's hull had been punctured by a submerged, discarded anchor at the
Port of Paulsboro The Port of Paulsboro is located on the Delaware River and Mantua Creek in and around Paulsboro, in Gloucester County, New Jersey, approximately from the Atlantic Ocean. Traditionally one of the nation's busiest for marine transfer operations ...
. In 2020, the Supreme Court ruled that
Citgo Citgo Petroleum Corporation (or Citgo, stylized as CITGO) is a United States–based refiner, transporter and marketer of transportation fuels, lubricants, petrochemicals and other industrial products. Headquartered in the Energy Corridor area ...
had failed to provide a safe berth for the vessel and was therefore jointly responsible for clean up costs. The company was ordered to pay $143 million.


Atlantic sturgeon

The
National Marine Fisheries Service The National Marine Fisheries Service (NMFS), informally known as NOAA Fisheries, is a United States federal agency within the U.S. Department of Commerce's National Oceanic and Atmospheric Administration (NOAA) that is responsible for the stew ...
is considering designating sixteen rivers as endangered habitat for the
Atlantic Sturgeon The Atlantic sturgeon (''Acipenser oxyrinchus oxyrinchus'') is a member of the family Acipenseridae and along with other sturgeon it is sometimes considered a living fossil. The Atlantic sturgeon is one of two subspecies of '' A. oxyrinchus'', ...
which would require more attention to be given to uses of the rivers that affect the fish.


National Wild and Scenic River

The river is part of the
National Wild and Scenic Rivers System The National Wild and Scenic Rivers System was created by the Wild and Scenic Rivers Act of 1968 (Public Law 90-542), enacted by the U.S. Congress to preserve certain rivers with outstanding natural, cultural, and recreational values in a free- ...
.


See also

* Foul Rift, rapids just south of Belvidere, New Jersey * List of municipalities on the Delaware River *
List of crossings of the Delaware River This is a list of bridges and other crossings of the Delaware River from the Atlantic Ocean upstream to its source(s). Crossings See also * George Washington's crossing of the Delaware River * * * * * References External links {{D ...
*
List of rivers of Delaware List of rivers in Delaware ( U.S. state), grouped by type and sorted by name. Major rivers and creeks (27) *Appoquinimink River *Blackbird Creek * Brandywine Creek * Broad Creek *Broadkill River *Choptank River * Christina River *Delaware River ...
*
List of rivers of New Jersey This is a list of streams and rivers of the U.S. state of New Jersey. List of New Jersey rivers includes streams formally designated as rivers. There are also smaller streams (''i.e.,'' branches, creeks, drains, forks, licks, runs, etc.) in th ...
*
List of rivers of New York This is a list of rivers in the U.S. state of New York (state), New York. By drainage basin This list is arranged by drainage basin, with respective tributaries indented by order of confluence with their main stem, from mouth to source. Long I ...
*
List of rivers of Pennsylvania This is a list of streams and rivers in the U.S. state of Pennsylvania. By drainage basin This list is arranged by drainage basin, with respective tributaries indented under each larger stream's name. Delaware Bay Chesapeake Bay *'' ...
*
Partnership for the Delaware Estuary The Partnership for the Delaware Estuary (PDE) is a regional nonprofit organization established in 1996 to take a leadership role in protecting and enhancing the Delaware Estuary, where fresh water from the Delaware River mixes with salt water fr ...
*
Upper Delaware Scenic and Recreational River The Upper Delaware Scenic and Recreational River is a unit of the National Park Service designated under the National Wild and Scenic Rivers System. It stretches along of the Delaware River between Hancock, New York, and Sparrowbush, New York. ...
* Geography of Pennsylvania


Notes


References

*
Devastation on the Delaware: Stories and Images of the Deadly Flood of 1955
(2005
Word Forge Books
Ferndale, PA) The only comprehensive documentary of this weather disaster in the Delaware River Valley. * * * *


External links


Delaware Riverkeeper Network

Delaware River Basin Commission

Delaware River Vessel Reporting System

National Park Service: Delaware Water Gap National Recreation Area


* ttp://www.nps.gov/ncrc/programs/pwsr/lowerdelaware_pwsr_sub.html National Park Service: Lower Delaware Wild & Scenic River
U.S. Geological Survey: NJ stream gaging stations

U.S. Geological Survey: NY stream gaging stations

U.S. Geological Survey: PA stream gaging stations


Historical content


Marine Railway and Sectional Floating Dry Dock, Delaware River, Philadelphia, 1893 by D.J. Kennedy, Historical Society of Pennsylvania

Winter on the River Delaware, 1856. Shows "U.S.S. Powhatan" by D.J. Kennedy, HSP

"Map of the South River in New Netherland"
from ca. 1639 via the
World Digital Library The World Digital Library (WDL) is an international digital library operated by UNESCO and the United States Library of Congress. The WDL has stated that its mission is to promote international and intercultural understanding, expand the volume ...

Socioeconomic Value of the Delaware River Basin in Delaware, New Jersey, New York, and Pennsylvania


Encyclopedias

* * * {{Authority control Rivers of Delaware Rivers of Maryland Rivers of New Jersey Rivers of New York (state) Rivers of Pennsylvania
Delaware River The Delaware River is a major river in the Mid-Atlantic region of the United States. From the meeting of its branches in Hancock, New York, the river flows for along the borders of New York, Pennsylvania, New Jersey, and Delaware, before ...
Rivers of Wayne County, Pennsylvania Rivers of Pike County, Pennsylvania Rivers of Monroe County, Pennsylvania Rivers of Bucks County, Pennsylvania Rivers of Delaware County, Pennsylvania Rivers of Northampton County, Pennsylvania Rivers of Sussex County, New Jersey Rivers of Warren County, New Jersey Rivers of Hunterdon County, New Jersey Rivers of Mercer County, New Jersey Rivers of Burlington County, New Jersey Rivers of Camden County, New Jersey Rivers of Gloucester County, New Jersey Rivers of Salem County, New Jersey Rivers of Orange County, New York Rivers of Delaware County, New York Rivers of Sullivan County, New York Rivers of New Castle County, Delaware Catskill/Delaware watersheds Delaware Valley Delaware Water Gap National Recreation Area Rivers of Philadelphia Borders of New York (state) Borders of Delaware Borders of Maryland Borders of New Jersey Borders of Pennsylvania