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The Quinnipiac River ( ) is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data
The National Map
, accessed April 1, 2011
long
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 ...
in the
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region of the United States, located entirely in the state of
Connecticut Connecticut ( ) is a U.S. state, state in the New England region of the Northeastern United States. It borders Rhode Island to the east, Massachusetts to the north, New York (state), New York to the west, and Long Island Sound to the south. ...
. The river rises in West Central Connecticut from Dead Wood Swamp near the city of
New Britain New Britain () is the largest island in the Bismarck Archipelago, part of the Islands Region of Papua New Guinea. It is separated from New Guinea by a northwest corner of the Solomon Sea (or with an island hop of Umboi Island, Umboi the Dampie ...
. It flows roughly southward to Plainville, Southington, and
Cheshire Cheshire ( ) is a Ceremonial counties of England, ceremonial county in North West England. It is bordered by Merseyside to the north-west, Greater Manchester to the north-east, Derbyshire to the east, Staffordshire to the south-east, and Shrop ...
, west of the city of Meriden, through Wallingford and Yalesville, North Haven, and flows into New Haven Harbor, an inlet of
Long Island Sound Long Island Sound is a sound (geography), marine sound and tidal estuary of the Atlantic Ocean. It lies predominantly between the U.S. state of Connecticut to the north and Long Island in New York (state), New York to the south. From west to east, ...
, east of downtown
New Haven New Haven is a city of the U.S. state of Connecticut. It is located on New Haven Harbor on the northern shore of Long Island Sound. With a population of 135,081 as determined by the 2020 U.S. census, New Haven is the third largest city in Co ...
.


History

The name "Quinnipiac" comes from an Algonquian phrase meaning "long water land", and historically referred both to the river and the area around its mouth at Long Island Sound. Europeans found the river in 1614. By the early 18th century, early settlers called the Quinnipiac River the Dragon River after the seals, then referred to as “sea dragons,” that were once abundant there. Although these seals were likely harbor seals (''Phoca vitulina''), archaeological evidence confirms that gray seals (''Halichoerus grypus''), which are over twice the size of a harbor seal, also lived near the mouth of the Quinnipiac River as recently as the sixteenth century.


Watershed and course

The Quinnipiac River watershed drains an area of approximately . There are four
dam A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aqua ...
s, most of which are old remnants, that impede boat travel. The first dam is about 1/2 mile south of Plantsville, the second dam is at the southeast corner of Hanover Pond in South Meriden, the third dam is in northeast Yalesville, and the fourth dam is at the south end of Community Lake in Wallingford. In April 2017, a small hydroelectric plant using a
screw turbine file:Archimedes-screw one-screw-threads with-ball 3D-view animated smal back.gif, Reverse action of the Archimedean screw, the principle of the screw turbine gaining energy from water flowing down through the screw file:Helical screw single double ...
was installed at Hanover Pond.Andrew Ragall
Ancient technology in Meriden's Hanover Pond dam begins generating electricity
Meriden Record Journal, Apr. 27, 2017.
Paddling is a frequent recreational activity along the Quinnipiac River, especially within the tidal marsh in North Haven. Additionally, the tidal variation extends approximately upriver from its mouth.


Ecology and conservation

Throughout the 19th and 20th centuries, the river suffered from severe
pollution Pollution is the introduction of contaminants into the natural environment that cause harm. Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light). Pollutants, the component ...
problems because of the presence of heavy industry and population centers in its watershed. The Quinnipiac was the subject of the first ever pollution control measure in the state of Connecticut. In 1886, the state legislature passed a measure prohibiting the City of Meriden from discharging raw
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 sewerage, sewer system. Sewage consists of wastewater discharged fro ...
into the river. In 1891, the act resulted in the building of state's second
sewage treatment plant Sewage treatment is a type of wastewater treatment which aims to remove contaminants from sewage to produce an effluent that is suitable to discharge to the surrounding environment or an intended reuse application, thereby preventing water p ...
. Nevertheless, by 1914, the State Board of Health reported that the major fish life had largely disappeared from its mouth. The pollution has been somewhat abated by the passage of the Connecticut Clean Water Act of 1967, and by the Water Pollution Control Act of 1972, which provided the legal authority to take measures to clean up the river's watershed. The measures included the construction of advanced waste management facilities for sewage and
industrial waste Industrial waste is the waste produced by industrial activity which includes any material that is rendered useless during a manufacturing process such as that of factories, mills, and mining operations. Types of industrial waste include dirt and ...
. Levels of
copper Copper is a chemical element; it has symbol Cu (from Latin ) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orang ...
in the river have decreased 70% since the 1980s and are now comparable to other reference streams in Connecticut.
Combined sewer A combined sewer is a type of gravity sewer with a system of pipes, tunnels, pump stations etc. to transport sewage and surface runoff, urban runoff together to a sewage treatment plant or disposal site. This means that during rain events, the se ...
overflows from the City of New Haven are still regarded as a major problem for the estuary.


Recreation

Paralleling the west bank of the Quinnipiac River through the entire length of Quinnipiac River State Park in North Haven is the Quinnipiac Trail.


Crossings


See also

* Grannis Island * List of rivers of Connecticut


References


External links


Quinnipiac River Fund home page


Quinnipiac River

New Haven.
Quinnipiac River Watershed Association
located on Hanover Pond, Oregon Road, City of Meriden, CT.

Online paddling map of the Quinnipiac River {{authority control Estuaries of Connecticut Geography of New Haven, Connecticut Long Island Sound Meriden, Connecticut North Haven, Connecticut Rivers of Connecticut Rivers of New Haven County, Connecticut Southington, Connecticut Wallingford, Connecticut