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The Patuxent River is a tributary of the Chesapeake Bay in the state of Maryland. There are three main river drainages for central Maryland: the Potomac River to the west passing through Washington, D.C., the
Patapsco River The Patapsco River mainstem is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed April 1, 2011 river in central Maryland that flows into the Chesapeake Bay. The river's tidal port ...
to the northeast passing through Baltimore, and the Patuxent River between the two. The Patuxent
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 ...
had a rapidly growing population of 590,769 in 2000. It is the largest and longest river entirely within Maryland, and its
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 ...
is the largest completely within the state.


Geography

The river source, from the Chesapeake, is in the hills of the Maryland Piedmont near the intersection of four counties –
Howard Howard is an English-language given name originating from Old French Huard (or Houard) from a Germanic source similar to Old High German ''*Hugihard'' "heart-brave", or ''*Hoh-ward'', literally "high defender; chief guardian". It is also probabl ...
, Frederick, Montgomery and Carroll, and only from Parr's Spring, the source of the south fork of the
Patapsco River The Patapsco River mainstem is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed April 1, 2011 river in central Maryland that flows into the Chesapeake Bay. The river's tidal port ...
. Flowing in a generally southeastward direction, the Patuxent crosses the urbanized corridor between
Baltimore Baltimore ( , locally: or ) is the most populous city in the U.S. state of Maryland, fourth most populous city in the Mid-Atlantic, and the 30th most populous city in the United States with a population of 585,708 in 2020. Baltimore was d ...
and Washington, D.C., and opens up into a navigable tidal estuary near the colonial seaport of Queen Anne in
Prince George's County, Maryland ) , demonym = Prince Georgian , ZIP codes = 20607–20774 , area codes = 240, 301 , founded date = April 23 , founded year = 1696 , named for = Prince George of Denmark , leader_title = Executive , leader_name = Angela D. Alsobroo ...
, just southeast of Bowie. The river is bounded by significant marsh areas for from the Waysons Corner area to the Hunting Creek confluence. The -long tidal estuary is never wider than . It marks the boundary between Montgomery, Prince George's,
Charles Charles is a masculine given name predominantly found in English language, English and French language, French speaking countries. It is from the French form ''Charles'' of the Proto-Germanic, Proto-Germanic name (in runic alphabet) or ''*k ...
and St. Mary's counties on the west and
Howard Howard is an English-language given name originating from Old French Huard (or Houard) from a Germanic source similar to Old High German ''*Hugihard'' "heart-brave", or ''*Hoh-ward'', literally "high defender; chief guardian". It is also probabl ...
, Anne Arundel, and Calvert counties on the east. The Chesapeake estuary's deepest point, below sea level, is in the lower Patuxent. The two largest cities in the watershed are Bowie and Laurel, Maryland. There is a percentage of
agricultural Agriculture or farming is the practice of cultivating Plant, plants and livestock. Agriculture was the key development in the rise of Sedentism, sedentary human civilization, whereby farming of Domestication, domesticated species created food ...
activity in the region as well. The mid and lower banks of the river have swamp and marshland ecosystems. Many of those ecosystems are protected by some form of parkland, on the state and local levels. The most notable of which include
Jug Bay Wetlands Sanctuary The Jug Bay Wetlands Sanctuary is located along the tidal Patuxent River in southern Maryland, United States. It was established in 1985 and is operated by the Prince George's County Department of Recreation and Parks. It includes more than of ...
, Merkle Wetlands Sanctuary in the Edgar A. Merkle Wildlife Refuge, and Patuxent River Park, along with many more. Farther north, there is the 20 square mile Patuxent Research Refuge, which helps to protect Patuxent River wildlife.


Tributaries

The Little Patuxent River, the Middle Patuxent River, and the Western Branch are the three largest tributaries. The Middle Patuxent flows into the Little Patuxent just upstream from the historic
Savage Mill The Savage Mill is a historic cotton mill complex in Savage, Maryland, which has been turned into a complex of shops and restaurants. It was placed on the National Register of Historic Places in 1974. It is located in the Savage Mill Historic Dis ...
in Savage. The Little Patuxent then joins the Patuxent just southwest of Crofton. The Middle Patuxent flows through the middle of Howard County, while the Little Patuxent flows through northeast and southeast Howard County and western Anne Arundel County.U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data
The National Map
accessed April 1, 2011
Western Branch originates under the name Folly Branch in the Wingate Drive area of the northern part of Glenn Dale, assuming the name "Western Branch" in Woodmore, continuing southward through Prince George's County, joined by
Collington Branch Collington Branch is a stream that flows into the Western Branch of the Patuxent River in Prince George's County, Maryland. Inflows Woodward Pond, sometimes referred to Foxhill Lake drains into Collington Branch. Allen Pond is a ten-acre man-ma ...
before it joins the Patuxent near Upper Marlboro.


History

Native Americans have lived along the Patuxent River since at least 1100 BC. An archaeological dig at
Pig Point Pig Point () is a point which forms the south side of the entrance to North Bay, Prince Olav Harbor, on the north coast of South Georgia South Georgia ( es, Isla San Pedro) is an island in the South Atlantic Ocean that is part of the British ...
(just north of Jug Bay at the end of Wrighton Road ) uncovered some of the oldest known artifacts in the Mid Atlantic states,"Amazing artifacts unearthed at Pig Point"
E.B. Furgurson III, ''The Archaeology News Network'', April 2011. Original source: ''The Capital''
pril 17, 2011 Bar Kham ( km, បរខាំ) is a commune in Ou Ya Dav District in northeast Cambodia. It contains six villages and has a population of 1,392. In the 2007 commune council elections, three of the commune's five seats went to the Cambodian Peopl ...
/ref> including pottery, arrow and spear points, and remnants of wigwams, fires and foodways. The site was probably a center of trade in the region and has one of the best unbroken archaeological records on the East Coast. The Pig Point site includes remnants of the oldest structures ever found in Maryland, wigwam post holes dating to the third century. The word ''Patuxent'' is derived from the Algonquin language used by the indigenous people living in the area prior to the arrival of the European settlers. Its meaning is debated. According to some sources it means "water running over loose stones" while others believe it means the "place where tobacco grows". The Patuxent River was first named ("Pawtuxunt") on the detailed map resulting from the 1608 voyage upriver by
Jamestown, Virginia The Jamestown settlement in the Colony of Virginia was the first permanent English settlement in the Americas. It was located on the northeast bank of the James (Powhatan) River about southwest of the center of modern Williamsburg. It was ...
settler
John Smith John Smith is a common personal name. It is also commonly used as a placeholder name and pseudonym, and is sometimes used in the United States and the United Kingdom as a term for an average person. It may refer to: People :''In chronological ...
. Captain Smith got as far as the rough vicinity of the present-day Merkle Wildlife Sanctuary ( Lyons Creek) area, from the Chesapeake near what is now the Anne Arundel–Calvert–Prince George's County tripoint. This was most likely the second visit by Europeans to the Patuxent, as in June 1588 a small Spanish expedition under Vicente Gonzalez is believed to have anchored for the night in the Patuxent mouth. The river was an important colonial shipping port with the government's garrison situated at the mouth of the river where Charles Calvert was first Collector in 1673. In 1699,
Thomas Browne Sir Thomas Browne (; 19 October 160519 October 1682) was an English polymath and author of varied works which reveal his wide learning in diverse fields including science and medicine, religion and the esoteric. His writings display a deep curi ...
, a Patuxent Ranger, followed the river from the Snowden plantation to where Clarksville is sited. In 1702 George Plater I was the Patuxent naval officer (later based at
Sotterley Plantation Sotterley Plantation is a historic landmark plantation house located at 44300 Sotterley Lane in Hollywood, St. Mary's County, Maryland, USA. It is a long -story, nine-bay frame building, covered with wide, beaded clapboard siding and wood shin ...
), having earlier served as Collector after Calvert, Rousby, Sewall, Digges, and Payne held the collectorship. By the mid and late seventeenth century respectively,
colonists A settler is a person who has migrated to an area and established a permanent residence there, often to colonize the area. A settler who migrates to an area previously uninhabited or sparsely inhabited may be described as a pioneer. Settle ...
spread upriver to Mt. Calvert and Billingsley Point, two 18th-century mansions upriver from the Chesapeake that are today part of Patuxent River Park. By 1705, the Snowden
iron ore Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in color from dark grey, bright yellow, or deep purple to rusty red. The iron is usually found in the fo ...
furnace (also known as the Patuxent Iron Works) just southeast of Laurel, was shipping "
pig iron Pig iron, also known as crude iron, is an intermediate product of the iron industry in the production of steel which is obtained by smelting iron ore in a blast furnace. Pig iron has a high carbon content, typically 3.8–4.7%, along with silic ...
" downriver from the current vicinity of the 1783
Montpelier Mansion Located south of Laurel in Prince George's County, Maryland, United States, Montpelier Mansion is a five-part, Georgian style plantation house most likely constructed between 1781 and 1785. It has also been known as the Snowden-Long House, New ...
, also part of Patuxent River Park. In August 1814, Commodore
Joshua Barney Joshua Barney (6 July 1759 – 1 December 1818) was an American Navy officer who served in the Continental Navy during the Revolutionary War and as a captain in the French Navy during the French Revolutionary Wars. He later achieved the rank ...
and his Chesapeake Bay Flotilla were trapped in the Patuxent by the British fleet under Admiral Sir George Cockburn. To keep them from British hands, Barney's men ignited the magazines of his ships in the four mile (6 km) stretch above Pig Point ( upriver from the Chesapeake when the British approached. The British then launched their attack on Washington, D.C., from their warships in the Patuxent at Benedict, away. From there, the troops marched through Nottingham, Upper Marlboro, Bladensburg, and on to Washington.


Economy and commerce

Tobacco farming dominated the Patuxent's economy for the two centuries following white settlement, with about sixty percent of Maryland's tobacco coming from the Patuxent valley by the late eighteenth century. Destruction of the plantations by the British and of the soil by centuries of tobacco farming brought the mid and lower Patuxent valley into a period of decline that would last until the 1930s, when there were fewer residents in the Patuxent's Calvert County than there were in the 1840s, and only a few hundred more than in the first Calvert County census in 1790. The Patuxent was plied by regular
steamship A steamship, often referred to as a steamer, is a type of steam-powered vessel, typically ocean-faring and seaworthy, that is propelled by one or more steam engines that typically move (turn) propellers or paddlewheels. The first steamships ...
service, mostly from the Weems Line, from the 1820s to the 1920s, replacing the
schooner A schooner () is a type of sailing vessel defined by its rig: fore-and-aft rigged on all of two or more masts and, in the case of a two-masted schooner, the foremast generally being shorter than the mainmast. A common variant, the topsail schoon ...
s and sailing packets that had for the previous centuries served the river's many landings and docks along the tidal reach. The Washington Suburban Sanitary Commission constructed two dams on the main branch in the mid-twentieth century. Brighton Dam was constructed from the Chesapeake in 1943, impounding the waters of Triadelphia Reservoir; in 1952 the T. Howard Duckett Dam was constructed farther downstream, near Laurel, thus creating
Rocky Gorge Reservoir Rocky Gorge Reservoir is located on the Patuxent River in Howard, Montgomery, and Prince George's counties in Maryland, between Laurel and Burtonsville. The reservoir was created in 1952 by the construction of the T. Howard Duckett Dam on th ...
. The land surrounding the two reservoirs is administered by the WSSC, creating a forested reserve of accessible to the public for horseback riding, hunting, fishing, and picnicking in limited areas. The state of Maryland classifies the T. Howard Duckett Dam as "high hazard" because large releases of water flood areas of North Laurel. With public recreational land on one or both shores of 74 of the river's 115 miles including the reservoir land, the impact that recreation in natural settings now has on the river's economy is obvious. The Patuxent Naval Air Station at the mouth of the river has continued to grow during past decades along with tourism, providing another main economic engine in the lower river valley that includes the popular boating center of Solomons.


Environmental concerns

According to EcoHealth Report Cards, the Patuxent River has a below average health rating, scoring a 38%, compared to the Chesapeake's over all health rating of 54%, as of 2016. However, the river does have higher ratings in dissolved oxygen, and likely, will soon have higher ratings in phosphorus. The Middle and Little Patuxent watersheds include nearly all of Columbia, Maryland, including its downtown urban Lake Kittamaqundi and Wilde Lake. Columbia is a large planned community in Howard County that opened in 1967. Columbia's major downtown roadway is called Little Patuxent Parkway, and Maryland Route 175 in East Columbia was known as the Patuxent Parkway until May 2006, when it was renamed for Columbia's founder, the late James Rouse, and his wife, Patty. It was the largely unchecked erosion from this late 1960s and 1970s building spree that contributed the bulk of the Patuxent River's highest and most damaging sediment, siltation, and pollution levels to date downstream. This in turn led to a nearly complete destruction of a once thriving
seafood Seafood is any form of sea life regarded as food by humans, prominently including fish and shellfish. Shellfish include various species of molluscs (e.g. bivalve molluscs such as clams, oysters and mussels, and cephalopods such as octopus an ...
industry along the brackish portion of the river. "The Patuxent River has known no greater friend, advocate, and defender than Bernie Fowler." Fowler, as an early-1970s Calvert County commissioner, led the way in a lawsuit filed by downriver Charles, Calvert and St. Mary's counties against upriver counties. The lawsuit forced the state, the upriver counties, and the U.S. Environmental Protection Agency to enact pollution control measures. Between 1985 and 2005, the Patuxent saw a 26% decrease in nitrogen, a 46% decrease in phosphorus, and a 35% reduction in sediment, despite urban areas increasing to 31% of the watershed by 2002. Of the Chesapeake's major tributaries, the Patuxent is the only one having most of its harmful phosphorus and nitrogen nutrient overloads coming from urban runoff. The river's other two largest contributors, point sources ( industrial,
sewage Sewage (or domestic sewage, domestic wastewater, municipal wastewater) is a type of wastewater that is produced by a community of people. It is typically transported through a sewer system. Sewage consists of wastewater discharged from residenc ...
, etc.) and the declining (24%)
agricultural Agriculture or farming is the practice of cultivating Plant, plants and livestock. Agriculture was the key development in the rise of Sedentism, sedentary human civilization, whereby farming of Domestication, domesticated species created food ...
areas, contribute less of the nutrient load. Forested areas account for 43% of the watershed. In 2004, Fred Tutman became the first "Riverkeeper" for the Patuxent. The mission of the Patuxent Riverkeeper organization, a member of the worldwide
Waterkeeper Alliance Waterkeeper Alliance is a worldwide network of environmental organizations founded in 1999 in response to a growing movement of organizations with such names as Riverkeeper, Baykeeper and Soundkeeper. By December 2019, the group said it had gro ...
, is to protect and improve the quality of the river's water and watershed and provide access and education at its facility in Nottingham. Over the past 50 years, nationally recognized land preservation efforts in this part of Maryland have saved tens of thousands of acres from the Baltimore-Washington bedroom community sprawl. The southern half of the U.S. Army's Fort Meade was added to the
Patuxent Wildlife Research Center The Patuxent Wildlife Research Center is a biological research center in Maryland. It is one of 17 research centers in the United States run by the U.S. Geological Survey (USGS). The center is located on the grounds of the Patuxent Research ...
, which, at , is the second largest contiguous public park-refuge within of either Washington or Baltimore. It is located midway between these two cities. The contiguous public area of centered on Jug Bay, upriver from the Chesapeake, form the fifth largest such Baltimore-D.C. preserve and largest tidewater one and consist of the
Jug Bay Wetlands Sanctuary The Jug Bay Wetlands Sanctuary is located along the tidal Patuxent River in southern Maryland, United States. It was established in 1985 and is operated by the Prince George's County Department of Recreation and Parks. It includes more than of ...
, the Merkle Wildlife Sanctuary, and the Jug Bay component of the Patuxent River Park. The Patuxent River State Park in the uppermost part of the basin is the seventh largest.


Chesapeake Bay Week video releases, 2022

On 20 April 2022, PBS released a 26 minute documentary:
Troubled Tributary: Maryland's Patuxent River
- ''The Patuxent River is a crucial tributary of the Chesapeake Bay. Despite the central role the river has played in the history of the Bay's environmental movement and abundant conservation resources funneled to it over the years, it remains polluted. Its riverkeeper, Fred Tutman, believes that environmental injustice exists along its banks.'' On 21 April 2022, PBS released a 56 minute special:
The Chesapeake Bay Summit 2022
- ''Experts, scientists and policy makers converge for a compelling discussion on the health of the Chesapeake Bay watershed, led by host Frank Sesno.''


Bridges


See also

*
List of parks in the Baltimore–Washington metropolitan area The list contains the largest contiguous public parks-preserves within of either Baltimore, Maryland or Washington, D.C., which is within the Baltimore–Washington metropolitan area. # Prince William Forest - Locust Shade, Virginia; — ...
– many parks listed are along the Patuxent River


References


External links

* – Montgomery County Department of Environmental Protection
Patuxent River State Park
(upper river)
Patuxent River Park
in Prince George's County (mid-river, west shore)
Jug Bay Wetlands Sanctuary
in Anne Arundel County (mid-river, east shore) * (mid-river, both shores) {{Authority control Rivers of Anne Arundel County, Maryland Rivers of Calvert County, Maryland Rivers of Charles County, Maryland Rivers of Howard County, Maryland Rivers of Maryland Rivers of Montgomery County, Maryland Rivers of Prince George's County, Maryland Rivers of St. Mary's County, Maryland Tributaries of the Chesapeake Bay