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Connecticut River

Coordinates: 41°16′20″N 72°20′03″W / 41.27222°N 72.33417°W / 41.27222; -72.33417
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Connecticut River
The river as seen from the overlook behind Gillette Castle, Lyme, Connecticut
River map, with major tributaries and selected dams
Native nameKwenitegok (Abenaki)[1]
Location
CountryUnited States
RegionNew England
StateConnecticut, Massachusetts, Vermont, New Hampshire
CitiesSpringfield, Massachusetts, Hartford, Connecticut
Physical characteristics
SourceFourth Connecticut Lake
 • locationCoos County, New Hampshire, United States
 • coordinates45°14′53″N 71°12′51″W / 45.24806°N 71.21417°W / 45.24806; -71.21417
 • elevation2,660 ft (810 m)
MouthLong Island Sound
 • location
Old Saybrook and Old Lyme, Connecticut[2]
 • coordinates
41°16′20″N 72°20′03″W / 41.27222°N 72.33417°W / 41.27222; -72.33417
Length410 mi (660 km)
Basin size11,260 sq mi (29,200 km2)
Discharge 
 • locationThompsonville, Connecticut
 • average18,400 cu ft/s (520 m3/s)
 • minimum968 cu ft/s (27.4 m3/s)
 • maximum282,000 cu ft/s (8,000 m3/s)
Discharge 
 • locationWest Lebanon, New Hampshire
 • average6,600 cu ft/s (190 m3/s)
Basin features
Tributaries 
 • leftChicopee River
 • rightWhite River
Protection status
Official nameConnecticut River Estuary and Tidal River Wetlands Complex
Designated14 October 1994
Reference no.710[3]
Connecticut River
Legend
 Fourth Connecticut Lake
Third Connecticut Lake
Moose Falls Dam
US 3 square.svg US 3
Second Connecticut Lake
First Connecticut Lake
Perry Stream
Lake Francis (Murphy Dam)
NH Route 145.svg NH 145 Pittsburg
Covered bridge
Indian Stream
US 3 square.svg US 3
NH
VT
Halls Stream
Stewartstown
Lower Canaan Dam
Vermont 114.svg VT 114 Canaan
Mohawk River
NH Route 26.svg NH 26 Colebrook
Columbia
Vermont 105.svg VT 105 North Stratford
St. Lawrence & Atlantic RR
Nulhegan River
Janice Peaslee Bridge
Upper Ammonoosuc River
US 2 square.svg US 2 Lancaster
Israel River
Mount Orne Covered Bridge
Maine Central RR
Johns River
Gilman Dam
Gilman
Moore Dam
NH Route 18.svg NH 18 Littleton
I-93.svg I-93 Waterford
Comerford Reservoir
Passumpsic River
Barnet
Monroe
McIndoes Reservoir
Ryegate Dam
Ammonoosuc River
Wells River Bridge
US 302 square.svg US 302 Woodsville
Wells River
Waits River
NH Route 25.svg NH 25 Bradford
Vermont 25A.svg VT 25A Fairlee
Vermont 113.svg VT 113 East Thetford
Ompompanoosuc River
NH Route 10A.svg NH 10A Hanover
Wilder Dam
US 4.svg US 4 West Lebanon
White River
Boston & Maine
Mascoma River
I-89.svg I-89 White River Junction
Ottauquechee River
Covered bridge
New England Central RR
NH Route 12.svg NH 12 Claremont
Sugar River
Little Sugar River
Vermont 11.svg VT 11 Springfield
Black River
Williams River
Bellows Falls
Bellows Falls Dam
New England Central RR
Vermont Railway
Bellows Falls
Saxtons River
Cold River
NH Route 123.svg NH 123 Walpole
Partridge Brook
Vermont 9.svg VT 9 Brattleboro
West River
Whetstone Brook
Vermont 119.svg VT 119 Hinsdale
Vernon Dam
Ashuelot River
VT
 
NH
MA
 New England Central RR
MA Route 10.svg Route 10 Northfield
MA Route 2.svg Route 2 Gill
Millers River
Turner Falls Dam
Gill–Montague Bridge
Turners Falls Road Bridge
General Pierce Bridge
Deerfield River
Canalside Rail Trail Bridge
Pan Am Railways
MA Route 116.svg Route 116 Sunderland
Norwottuck Rail Trail Bridge
MA Route 9.svg Route 9 Northampton
Fort River
Mill River
Manhan River
US 202.svg US 202 Holyoke
Holyoke Dam
MA Route 116.svg Route 116 Holyoke
Pan Am Railways
MA Route 141.svg Route 141 Holyoke
I-391.svg I-391
I-90.svg I-90 Chicopee
Chicopee River
I-91.svg I-91
US 20.svg US 20 Springfield
CSX RR
MA Route 147.svg Route 147 Springfield
Mill River
Westfield River
US 5.svg US 5 Agawam
MA
CT
Connecticut Highway 190 wide.svg Route 190 Enfield
Enfield Falls Canal
New Haven–Springfield Line
Connecticut Highway 140 wide.svg Route 140 Windsor Locks
I-91.svg I-91 Dexter Coffin Bridge
Scantic River
Farmington River
I-291.svg I-291 Windsor
Connecticut Southern RR
Limit of tidal river and navigability
 I-84.svg I-84 Hartford
Connecticut Highway 2.svg Route 2 Founders Bridge
Park River
Hockanum River
US 5.svg US 5 Charter Oak Bridge
Connecticut Highway 3.svg Route 3 Wethersfield
Mattabesset River
Connecticut Highway 66.svg Route 66 Middletown
Providence & Worcester RR
Salmon River
Connecticut Highway 82.svg Route 82 East Haddam
Eightmile River
I-95.svg I-95 Old Lyme
Amtrak Northeast Corridor
Lieutenant River
Long Island Sound

The Connecticut River is the longest river in the New England region of the United States, flowing roughly southward for 406 miles (653 km) through four states. It rises 300 yards (270 m) south of the U.S. border with Quebec, Canada, and discharges at Long Island Sound.[4] Its watershed encompasses 11,260 square miles (29,200 km2), covering parts of five U.S. states and one Canadian province, via 148 tributaries, 38 of which are major rivers.[5] It produces 70% of Long Island Sound's fresh water,[5] discharging at 18,400 cubic feet (520 m3) per second.[6]

The Connecticut River Valley is home to some of the northeastern United States' most productive farmland, as well as the Hartford–Springfield Knowledge Corridor, a metropolitan region of approximately two million people surrounding Springfield, Massachusetts, and Hartford, Connecticut.[7]

History

The word "Connecticut" is a corruption of the Mohegan word quinetucket, which means "beside the long, tidal river".[8] The word came into English during the early 1600s to name the river, which was also called simply "The Great River". It was also known as the Fresh River, and the Dutch called it the Verse River.[9]

Early spellings of the name by European explorers included "Cannitticutt" in French[10] or in English.[11]

View of Springfield on the Connecticut River by Alvan Fisher (Brooklyn Museum)
View of the City of Hartford, Connecticut by William Havell

Pre-1614: American Indian populations

Archaeological digs reveal human habitation of the Connecticut River Valley for 6,000 years before present.[12] Numerous tribes lived throughout the fertile Connecticut River valley prior to Dutch exploration beginning in 1614. Information concerning how these tribes lived and interacted stems mostly from English accounts written during the 1630s.[13]

The Pequots dominated a territory in the southern region of the Connecticut River valley, stretching roughly from the river's mouth at Old Saybrook, Connecticut north to just below the Big Bend at Middletown. They warred with and attempted to subjugate neighboring agricultural tribes such as the Western Niantics, while maintaining an uneasy stand-off with their rivals the Mohegans.[14]

The Mattabesset (Tunxis) tribe takes its name from the place where its sachems ruled at the Connecticut River's Big Bend at Middletown, in a village sandwiched between the territories of the aggressive Pequots to the south and the more peaceable Mohegans to the north.[15]

The Mohegans dominated the region due north, where Hartford and its suburbs sit, particularly after allying themselves with the Colonists against the Pequots during the Pequot War of 1637.[16] Their culture was similar to the Pequots, as they had split off from them and become their rivals some time prior to European exploration of the area.[16]

The agricultural Pocomtuc tribe lived in unfortified villages alongside the Connecticut River north of the Enfield Falls on the fertile stretch of hills and meadows surrounding Springfield, Massachusetts. The Pocomtuc village of Agawam[17] eventually became Springfield, situated on the Bay Path where the Connecticut River meets the western Westfield River and eastern Chicopee River.[18] The Pocomtuc villagers at Agawam helped Puritan explorers settle this site and remained friendly with them for decades, unlike tribes farther north and south along the Connecticut River.[19][20] The region stretching from Springfield north to the New Hampshire and Vermont state borders fostered many agricultural Pocomtuc and Nipmuc settlements, with its soil enhanced by sedimentary deposits. Occasionally, these villages endured invasions from more aggressive confederated tribes living in New York, such as the Mohawk, Mahican, and Iroquois tribes.[19][20]

The Pennacook tribe mediated many early disagreements between colonists and other Indian tribes, with a territory stretching roughly from the Massachusetts border with Vermont and New Hampshire, northward to the rise of the White Mountains in New Hampshire.[21] The Western Abenaki (Sokoki) tribe lived in the Green Mountains region of Vermont but wintered as far south as the Northfield, Massachusetts, area. The (Sokoki) tribe migrated to Odanak, Quebec following the epidemics and the wars with the settlers but returned to Vermont.[22] [23][24][25][26]

1614–1636: Dutch and Puritan settlement

In 1614, Dutch explorer Adriaen Block became the first European to chart the Connecticut River, sailing as far north as Enfield Rapids.[27] He called it the "Fresh River" and claimed it for the Netherlands as the northeastern border of the New Netherland colony. In 1623, Dutch traders constructed a fortified trading post at the site of Hartford, Connecticut called the Fort Huys de Hoop ("Fort House of Hope").[28]

Four separate Puritan-led groups also settled the fertile Connecticut River Valley, and they founded the two large cities that continue to dominate the Valley: Hartford (est. 1635) and Springfield (est. 1636). The first group of pioneers left the Plymouth Colony in 1632 and ultimately founded the village of Matianuck (which became Windsor, Connecticut) several miles north of the Dutch fort. A group left the Massachusetts Bay Colony from Watertown, seeking a site where they could practice their religion more freely. With this in mind, they founded Wethersfield, Connecticut in 1633, several miles south of the Dutch fort at Hartford.

View from Mount Holyoke, Northampton, Massachusetts, after a Thunderstorm—The Oxbow (1836) by Thomas Cole

In 1635, Reverend Thomas Hooker led settlers from Cambridge, Massachusetts, where he had feuded with Reverend John Cotton, to the site in Connecticut of the Dutch Fort House of Hope, where he founded Newtowne.[28] Shortly after Hooker's arrival, Newtowne annexed Matianuck based on laws articulated in Connecticut's settlement charter, the Warwick Patent of 1631. The patent, however, had been physically lost, and the annexation was almost certainly illegal.[29]

The fourth English settlement along the Connecticut River came out of a 1635 scouting party commissioned by William Pynchon to find the most advantageous site for commerce and agriculture, hoping to found a city there. His scouts located the Pocumtuc village of Agawam, where the Bay Path trade route crossed the Connecticut River at two of its major tributaries—the Chicopee River to the east and Westfield River to the west—and just north of Enfield Falls, the river's first unnavigable waterfall. Pynchon surmised that traders using any of these routes would have to dock and change ships at his site, thereby granting the settlement a commercial advantage.[30] It was initially named Agawam Plantation and was allied with the settlements to the south that became the state of Connecticut, but it switched allegiances in 1641 and was renamed Springfield in honor of Pynchon's native town in England.[30]

Of these settlements, Hartford and Springfield quickly emerged as powers. In 1641, Springfield splintered off from the Hartford-based Connecticut Colony, allying itself with the Massachusetts Bay Colony. For decades, Springfield remained the Massachusetts Bay Colony's westernmost settlement, on the northern border of the Connecticut Colony. By 1654, however, the success of these English settlements rendered the Dutch position untenable on the Connecticut River. A treaty moved the boundary westward between the Connecticut Colony and New Netherland Colony to a point near Greenwich, Connecticut. The treaty allowed the Dutch to maintain their trading post at Fort Huys de Hoop, which they did until the 1664 British takeover of New Netherland.

Border disputes

The Connecticut River Valley's central location, fertile soil, and abundant natural resources made it the target of centuries of border disputes, beginning with Springfield's defection from the Connecticut Colony in 1641, which brought the Massachusetts Bay Colony to the river. In 1640, Massachusetts Bay Colony asserted a claim to jurisdiction over lands surrounding the river; however, Springfield remained politically independent until tensions with the Connecticut Colony were exacerbated by a final confrontation later that year.[30]

The Memorial Bridge across the Connecticut River at Springfield, Massachusetts, the river's largest city

Hartford kept a fort at the mouth of the Connecticut River at Old Saybrook for protection against the Pequots, Wampanoags, Mohegans, and the New Netherland Colony. After Springfield broke ties with the Colony, the remaining Connecticut settlements demanded that Springfield's ships pay tolls when passing the mouth of the river. The ships refused to pay this tax without representation at Connecticut's fort, but Hartford refused to grant it. In response, the Massachusetts Bay Colony solidified its friendship with Springfield by levying a toll on Connecticut Colony ships entering Boston Harbor. Connecticut was largely dependent on sea trade with Boston and therefore permanently dropped its tax on Springfield, but Springfield allied with Boston nonetheless, drawing the first state border across the Connecticut River.[30]

The Fort at Number 4 in Charlestown, New Hampshire was the northernmost British colonial presence on the Connecticut River until the end of the French and Indian War in 1763. The Abenaki had resisted British colonial settlement for decades, but colonists began settling north of Brattleboro, Vermont following the war.[31] Settlement of the Upper Connecticut River Valley increased quickly, with population assessments of 36,000 by 1790.[31]

Vermont was claimed by both New Hampshire and New York, and was settled primarily through the issuance of land grants by New Hampshire Governor Benning Wentworth beginning in the 1740s.[32] New York protested these grants, and King George III decided in 1764 that the border between the provinces should be the western bank of the Connecticut River.[33] Ethan Allen, the Green Mountain Boys, and other residents of the disputed area resisted attempts by New York to exercise authority there, which resulted in the establishment of the independent Vermont Republic in 1777[34] and its eventual accession to the United States in 1791 as the fourteenth state.[35] Boundary disputes between Vermont and New Hampshire lasted for nearly 150 years and were finally settled in 1933, when the U.S. Supreme Court reaffirmed King George's boundary as the ordinary low-water mark on the Vermont shore. In some places, the state line is now inundated by the impoundments of dams built after this time.[36]

The Treaty of Paris and the 19th century

The Windsor Locks Canal Company at Enfield Falls, the Connecticut River's first major barrier to navigation

The Treaty of Paris (1783) that ended the American Revolutionary War created a new international border between New Hampshire and the Province of Canada at "northwesternmost headwaters of the Connecticut". Several streams fit this description, and thus a boundary dispute led to the short-lived Indian Stream Republic, which existed from 1832 to 1835.

The broad, fertile Connecticut River Valley attracted agricultural settlers and colonial traders to Hartford, Springfield, and the surrounding region. The high volume and numerous falls of the river led to the rise of industry along its banks during the Industrial Revolution. The cities of Springfield and Hartford in particular became centers of innovation and "intense and concentrated prosperity."[37]

The Enfield Falls Canal was opened in 1829 to circumvent shallows around Enfield Falls, and the locks built for this canal gave their name to the town of Windsor Locks, Connecticut.[38] The Connecticut River Valley functioned as America's hub of technical innovation into the 20th century, particularly the cities of Springfield and Hartford, and thus attracted numerous railroad lines. The proliferation of the railroads in Springfield and Hartford greatly decreased the economic importance of the Connecticut River. From the late 1800s until today, it has functioned largely as a center of wildlife and recreation.[39]

Log drives and the early 20th century

The Oxbow, Connecticut River, circa 1910

Starting about 1865,[40] the river was used for massive logging drives from Third Connecticut Lake to initially water powered sawmills near Enfield Falls. Trees cut adjacent to tributary streams including Perry Stream and Indian Stream in Pittsburg, New Hampshire, Halls Stream on the Quebec–New Hampshire border, Simms Stream, the Mohawk River, and the Nulhegan River basin in Essex County, Vermont, would be flushed into the main river by the release of water impounded behind splash dams. Several log drivers died trying to move logs through Perry Falls in Pittsburg. Teams of men would wait at Canaan, Vermont, to protect the bridges from log jams. Men guided logs through a 400-foot (120 m) drop along the length of Fifteen-Mile Falls[40] (now submerged under Moore and Comerford reservoirs), and through Logan's Rips at Fitzdale, Mulligan's Lower Pitch, and Seven Islands. The White River from Vermont and Ammonoosuc River from New Hampshire brought more logs into the Connecticut. A log boom was built between Wells River, Vermont, and Woodsville, New Hampshire, to hold the logs briefly and release them gradually to avoid jams in the Ox Bow. Men detailed to this work utilized Woodsville's saloons and red-light district.[41] Some of the logs were destined for mills in Wilder and Bellows Falls, Vermont, while others were sluiced over the Bellows Falls dam. North Walpole, New Hampshire, contained twelve to eighteen saloons, patronized by the log drivers.[42] Mount Tom was the landmark the log drivers used to gauge the distance to the final mills near Holyoke, Massachusetts.[43] These spring drives were stopped after 1915, when pleasure boat owners complained about the hazards to navigation.[44] The final drive included 500 workers controlling 65 million feet of logs.[40] A final pulp drive consisted of 100,000 cords of four-foot logs in 1918. This was to take advantage of the wartime demand.[40]

The flood of 1936

Main article: 1936 Northeastern United States flood

In March 1936, due to a winter with heavy snowfall, an early spring thaw and torrential rains, the Connecticut River flooded, overflowing its banks, destroying numerous bridges and isolating hundreds of people who had to be rescued by boat.

The dam at Vernon, Vermont, was topped by 19 feet (5.8 m). Sandbagging by the National Guard and local volunteers helped prevent the dam's powerhouse from being overwhelmed, despite blocks of ice breaking through the upstream walls.[45]

In Northampton, Massachusetts, looting during the flood became a problem, causing the mayor of the city to deputize citizen patrols to protect flooded areas. Over 3,000 refugees from the area were housed in Amherst College and the Massachusetts State Agricultural College (now UMass Amherst).

Unprecedented accumulated ice jams compounded the problems created by the flood, diverting water into unusual channels and damming the river, raising water levels even further. When the jam at Hadley, Massachusetts, gave way, the water crest overflowed the dam at Holyoke, overwhelming the sandbagging there. The village of South Hadley Falls was essentially destroyed, and the southern parts of Holyoke were severely damaged, with 500 refugees.

Downtown Hartford, Connecticut, during the 1936 flood

In Springfield, Massachusetts, 5 sq mi (13 km2), and 18 miles (29 km) of streets, were flooded, and 20,000 people lost their homes. The city lost power, and nighttime looting caused the police to issue a "shoot on sight" edict; 800 National Guard troops were brought in to help maintain order. Rescue efforts using a flotilla of boats saved people trapped in upper stories of buildings, bringing them to local fraternal lodges, schools, churches and monasteries for lodging, medical care, and food. The American Red Cross and local, state and federal agencies, including the WPA and the CCC, contributed aid and manpower to the effort. Flooding of roads isolated the city for a time. When the water receded, it left behind silt-caused mud which in places was 3 feet (1 m) thick; the recovery effort in Springfield, at the height of the American Great Depression, took approximately a decade.

Overall, the flood caused 171 deaths and US$500 million (US$11,000,000,000 with inflation[46]) in damages. Across the northeast, over 430,000 people were made homeless or destitute by flooding that year.[47]

The Connecticut River Flood Control Compact between the states of Connecticut, Massachusetts, New Hampshire, and Vermont was established in 1953 to help prevent serious flooding.[48]

1936–present: Water supply

The creation of the Quabbin Reservoir in the 1930s diverted the Swift River, which feeds the Chicopee River, a tributary of the Connecticut. This resulted in an unsuccessful lawsuit by the state of Connecticut against the diversion of its riparian waters.[49]

Demand for drinking water in eastern Massachusetts passed the sustainable supply from the existing system in 1969. Diverting water from the Connecticut River was considered several times,[50] but in 1986 the Massachusetts Water Resources Authority instead undertook a campaign of water conservation. Demand was reduced to sustainable levels by 1989, reaching approximately a 25% margin of safety by 2009.[51]

Course

The Connecticut River is the largest river ecosystem in New England. Its watershed spans Connecticut, Massachusetts, New Hampshire, Vermont, small portions of Maine, and the Canadian province of Quebec.[5][36][52]

The Upper Connecticut River: New Hampshire and Vermont

the Connecticut Lakes
The Connecticut Lakes, the source of the Connecticut River, near the border of New Hampshire and Quebec
Great Falls (Bellows Falls) at high flow under the Vilas Bridge, taken from the end of Bridge St on the Vermont side, looking upriver

The Connecticut River rises from Fourth Connecticut Lake, a small pond 300 yards (270 m) south of the Canada–United States border in the town of Pittsburg, New Hampshire, at an elevation of 2,670 feet (810 m) above sea level. It flows through the remaining Connecticut Lakes and Lake Francis for 14 miles (23 km), all within the town of Pittsburg, and then widens as it delineates 255 miles (410 km) of the border between New Hampshire and Vermont.[52] The river drops more than 2,480 feet (760 m) in elevation as it winds south to the border of Massachusetts where it sits 190 feet (58 m) above sea level.[36][53]

The region along the river upstream and downstream from Lebanon, New Hampshire, and White River Junction, Vermont, is known as the "Upper Valley". The exact definition of the region varies, but it generally is considered to extend south to Windsor, Vermont and Cornish, New Hampshire, and north to Bradford, Vermont and Piermont, New Hampshire.[54] In 2001, the Trust for Public Land purchased 171,000 acres (690 km2) of land in New Hampshire from International Paper, allowing the Connecticut Lakes Headwaters Partnership Task Force to plan the future protection of the land.[55] The property spans the towns of Pittsburg, Clarksville, and Stewartstown, New Hampshire, nearly 3 percent of the land in the state of New Hampshire.[56] The Trust for Public Land worked in partnership with the Society for the Protection of New Hampshire Forests, The Nature Conservancy of New Hampshire, and others to raise around $42 million.[55] A conservation easement over 146,000 acres (590 km2) of the property prohibits development of the land while allowing public access.[56] The forest is managed by the Lyme Timber Company, and the conservation easement over the land ensures sustainable forest management of the property.[56]

The Middle Connecticut River: Massachusetts through central Connecticut

Following the most recent ice age, the Middle Connecticut River Valley sat at the bottom of Lake Hitchcock. Its lush greenery and rich, almost rockless soil comes from the ancient lake's sedimentary deposits.[57] In the Middle Connecticut region, the river reaches its maximum depth – 130 feet (40 m) – at Gill, Massachusetts, around the French King Bridge, and its maximum width – 2,100 feet (640 m) – at Longmeadow, directly across from the Six Flags New England amusement park.[36][58] The Connecticut's largest falls – South Hadley Falls – features a vertical drop of 58 feet (18 m).[5] Lush green forests and agricultural hamlets dot this middle portion of the Connecticut River; however, the region is best known for its numerous college towns, such as Northampton, South Hadley, and Amherst, as well as the river's most populous city, Springfield. The city sits atop bluffs beside the Connecticut's confluence with two major tributaries, the Chicopee River to the east and Westfield River to the west.[59] The region around the Connecticut River is known locally as the Pioneer Valley, and the name adorns many local civic organizations and local businesses. While the southern part of the valley in Massachusetts is heavily urbanized, the northern section is largely rural and the local agriculture is well known for Connecticut shade tobacco.

The Connecticut River is influenced by the tides as far north as Enfield Rapids in Windsor Locks, Connecticut, approximately 58 miles (93 km) north of the river's mouth. Two million residents live in the densely populated Hartford-Springfield region, which stretches roughly between the college towns of Amherst, Massachusetts, and Middletown, Connecticut. Hartford, the second-largest city and the only state capital on the river, is at the southern end of this region on an ancient floodplain that stretches to Middletown.

The Lower Connecticut River: Southern Connecticut to Long Island Sound

15 miles (24 km) south of Hartford, at Middletown, the Lower Connecticut River section begins with a narrowing of the river, and then a sharp turn southeast. Throughout southern Connecticut, the Connecticut passes through a thinly populated, hilly, wooded region before again widening and discharging into Long Island Sound between Old Saybrook and Old Lyme. Due to the presence of large, shifting sandbars at its mouth, the Connecticut is the only major river in the Northeastern United States without a port at its mouth.[60]

Mouth and tidelands

Satellite image of the Connecticut River depositing silt into Long Island Sound

The Connecticut River carries a heavy amount of silt from as far north as Quebec, especially during the spring snow melt. This results in a large sandbar near the river's mouth which is a formidable obstacle to navigation. The Connecticut is one of the few major rivers in the United States without a major city at its mouth because of this obstacle. Major cities on the Connecticut River are Hartford and Springfield, which lie 45 and 69 miles (70 and 110 km) upriver respectively.

The Nature Conservancy named the Connecticut River's tidelands one of the Western Hemisphere's "40 Last Great Places", while the Ramsar Convention on Wetlands listed its estuary and tidal wetlands as one of 1,759 wetlands of international importance.[61] In 1997, the Connecticut River was designated one of only 14 American Heritage Rivers, which recognized its "distinctive natural, economic, agricultural, scenic, historic, cultural, and recreational qualities." In May 2012, the Connecticut River was designated America's first National Blueway in recognition of the restoration and preservation efforts on the river.[7]

Dams

The Connecticut River's flow is slowed by main stem dams, which create a series of slow-flowing basins from Lake Francis Dam in Pittsburg, New Hampshire, to the Holyoke Dam at South Hadley Falls in Massachusetts.[5] Among the most extensively dammed rivers in the United States, the Connecticut may soon flow at a more natural pace, according to scientists at the University of Massachusetts at Amherst, who have devised a computer that – "in an effort to balance human and natural needs" – coordinates the holding and releasing of water between the river's 54 largest dams.[62][needs update] The Cabot and Turners Falls hydroelectric stations generate up to 68 MW.[63] The Holyoke Canal System and Hadley Falls Station at Holyoke Dam are rated a combined 48 MW.[64]

Tributaries

The Connecticut River watershed encompasses 11,260 square miles (29,200 km2), connecting 148 tributaries, including 38 major rivers and numerous lakes and ponds.[7] Major tributaries include (from north to south) the Passumpsic, Ammonoosuc, White, Black, West, Ashuelot, Millers, Deerfield, Chicopee, Westfield, and Farmington rivers. The Swift River, a tributary of the Chicopee, has been dammed and largely replaced by the Quabbin Reservoir which provides water to the Massachusetts Water Resources Authority district in eastern Massachusetts, including Boston and its metropolitan area.

Ecology

Harbor seal in the Connecticut River, below the Holyoke Dam, following the shad run

Along its southern reaches, the Connecticut River has carved a wide, fertile floodplain valley (known in Massachusetts as the Pioneer Valley), depositing rich silt and loam soils known internationally for their agricultural merit. Abundant riparian hardwood species include sycamores, cottonwood, basswood, willows, sassafras, box elder, black elder, osier dogwood and more. The river itself and its many tributaries are home to many typical New England freshwater species. These include dace, crawfish, hellgramites, freshwater mussels, typical frog species, snapping turtles, brook trout, freshwater sturgeon, catfish, walleye, chain pickerel and carp. Introduced species include stocked rainbow trout. The river is an important conduit of many anadromous fish, such as American shad, lamprey, and Atlantic salmon. American eels are also present, as are predators of these migratory fish including striped bass. Shad run as far north as Holyoke, Massachusetts where they are lifted over the Holyoke Dam by a fish elevator. This station publishes annual statistics of the run, and has recorded an occasional salmon. They pass an additional elevator in Turners Falls, Massachusetts and make it at least as far as Bellows Falls, Vermont. Harbor seals have been recorded traveling upriver as far north as Holyoke in pursuit of migratory fish; it is possible that they ranged farther upstream before the dam was built.[65]

There are 12 species of freshwater mussels.[66] Eleven of them occur in the mainstem of the Connecticut; the brook floater is found only in small streams and rivers. Species diversity is higher in the southern part of the watershed (Connecticut and Massachusetts) than in the northern part (Vermont and New Hampshire), largely due to differences in stream gradient and substrate. Eight of the 12 species in the watershed are listed as endangered, threatened, or of special concern in one or more of the states in the watershed.[66]

A number of colonial animal species make their home in the waters of the Connecticut. Deeper areas are habitat for a diversity of colonial organisms including bryozoa. Freshwater sponges the size of dinner plates have been found by scuba divers at depths of more than 130 feet (40 m), thought to be the deepest location of the river, around the French King Bridge in Orange, Massachusetts. Mussels, eels, and northern pike were also observed there.[67][68][69]

Fish

Drift boat fishing guide working the river near Colebrook, New Hampshire

There are several species of anadromous and catadromous fish, including brook trout, winter flounder, blueback herring, alewife, rainbow trout, large brown trout, American shad (Alosa sapidissima), hickory shad, smallmouth bass, Atlantic sturgeon, striped bass (Morone saxatilis), American eel, sea lamprey, and endangered shortnose sturgeon and dwarf wedgemussels.[70] Additionally, the United States Fish and Wildlife Service has repopulated the river with another species of migratory fish, the Atlantic salmon, which for more than 200 years had been extinct from the river due to damming.[70] Several fish ladders and fish elevators have been built to allow fish to resume their natural migration upriver each spring.

Fresh and brackish water residents of the main branch and tributaries include common carp, white catfish, brown bullhead, fallfish, yellow perch, smallmouth bass, largemouth bass, northern pike, chain pickerel, bluegill, pumpkinseed sunfish, golden shiner, and rock bass.[71]

Much of the beginning of the river's course in the town of Pittsburg is occupied by the Connecticut Lakes, which contain lake trout and landlocked salmon. Landlocked salmon make their way into the river during spring spawning runs of bait fish and during their fall spawn. The river has fly-fishing-only regulations on 5 miles (8 km) of river. Most of the river from Lake Francis south is open to lure and bait as well. Two tail-water dams provide cold river water for miles downstream, making for bountiful summer fishing on the Connecticut.

After the first major dam was built near Turners Falls, Massachusetts, thirteen additional dams have ended the Connecticut River's great anadromous fish runs. Salmon restoration efforts began in 1967,[72] and fish ladders at a fish elevator at Hadley Falls have since enabled migrating fish to return to some of their former spawning grounds. In addition to dams, warm water discharges between 1978 and 1992 from Vermont Yankee Nuclear Power Plant in Vernon, Vermont released water up to 105 °F (41 °C) degrees, with the thermal plume reaching 55 miles (89 km) downstream as far as Holyoke. This thermal pollution appears to be associated with an 80% decline in American shad fish numbers from 1992 to 2005 at Holyoke Dam. This decline may have been exacerbated by over-fishing in the mid-Atlantic and predation from resurging striped bass populations. The nuclear plant was closed at the end of 2014, after which the shad population has increased.[73]

Economy

Boating

The mouth of the river up to Essex is thought to be one of the busiest stretches of waterway in Connecticut. Some local police departments and the state Environmental Conservation Police patrol the area a few times a week. Some towns keep boats available if needed.[74] In Massachusetts, the most active stretch of the Connecticut River is centered on the Oxbow, 14 miles (23 km) north of Springfield in the college town of Northampton.[75]

Camping is available along much of the river, for non-motorized boats, via the Connecticut River Paddlers' Trail. The Paddlers' Trail currently includes campsites on over 300 miles (480 km) of the river.[76]

Pollution and cleanup

Riverbank restoration project in Fairlee, Vermont

The Water Quality Act of 1965 had a major impact on controlling water pollution in the Connecticut River and its tributaries.

Since then, the river has been restored from Class D to Class B (fishable and swimmable).[77][78] Many towns along the Lower Connecticut River have enacted a cap on further development along the banks, so that no buildings may be constructed except on existing foundations. Currently, a website provides water quality reports twice a week, indicating whether various portions of the river are safe for swimming, boating and fishing.[79][80]

Lists

Populated places

Main article: List of populated places on the Connecticut River

Tributaries

Listed from south to north by location of mouth:

Crossings

For a more comprehensive list, see List of crossings of the Connecticut River.

The Connecticut River is a barrier to travel between western and eastern New England. Several major transportation corridors cross the river including Amtrak's Northeast Corridor, Interstate 95 (Connecticut Turnpike), Interstate 90 (Massachusetts Turnpike), Interstate 89, Interstate 93, and Interstate 84. In addition, Interstate 91, whose route largely follows the river, crosses it twice – once in Connecticut and once in Massachusetts.

In literature

Lydia Sigourney's poem "Connecticut River" was published in her 1834 poetry collection.

Wallace Stevens, one of America's most important 20th century poets, lived in Hartford, Connecticut, where he was vice-president of the Hartford Insurance Co. He composed many of his poems, including "The River of Rivers in Connecticut" on his 2.4 mile daily walk to and from his office.[81]

See also

References

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Further reading

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