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40-490: The first crossing at Crescent was the Erie Canal Aqueduct which carried the canal over the river. The "Clinton's Ditch" aqueduct was a wooden structure supported by twelve stone piers. It served from the canal's opening in 1825 until 1842. Before the aqueduct was built people and goods were ferried across the river at the nearby Dunsbach Ferry and Forts Ferry. The Crescent aqueduct was one of two that crossed

80-635: A large section of the Catskill Mountains , the Mohawk Valley proper, and a section of the southern Adirondack Mountains . All three regions have distinct bedrock geology, and the underlying rocks become progressively younger to the south. Overall, this part of New York is represented by lower Paleozoic sedimentary rocks that unconformably overlie the Grenville -aged ( Proterozoic , here about 1.1 billion years old) metamorphic rocks of

120-453: A long record of significant and damaging floods along the entire length of the river. Because the river and its tributaries typically freeze in the winter, the spring melt is commonly accompanied by ice floes that get stuck and jammed along the main trunk of the river. This annual spring breakup typically occurs in the last few weeks of March, although there are numerous floods that have occurred before or after this time, such as in 2018 when

160-711: A mountain" (or Yeionontatátie , "going round a mountain"). The first recorded European exploration of the Mohawk was a trip by the Dutchman Harman Meyndertsz van den Bogaert in 1634. He followed the river upstream from Albany for a distance of 100 miles, including all the territory of the Mohawks. In 1661 Dutch colonists founded the city of Schenectady on the Mohawk River approximately 19 miles (31 km) from Albany. "For fifty years Schenectady

200-579: A project to improve the flood walls on South Chuctanunda Creek and Mohawk River. The floodwalls and river banks were repaired at a cost of $ 164,248. Historically, the Mohawk watershed has lacked a watershed management plan typical in many adjacent basins. In 2010, the New York State Department of Environmental Conservation released the Mohawk River Basin Action Agenda, which is the first framework for

240-594: A range of different materials including aluminum, clapboard, and shingles. Many of the homes along the river began as summer cottages and have been winterized and enlarged while some still remain in strictly summer-camp style. Dunsbach Ferry is a part of the North Colonie Central School District (NCCS) and the children attend Boght Hills Elementary School for kindergarten through sixth grade; and Shaker High School for seventh through twelfth. Mohawk River The Mohawk River

280-543: A stop on the Schenectady and Troy Railroad (T&S), later a branch of the New York Central Railroad . The ZIP code is 12047 (Cohoes). In 1718, an early settler and ferry owner, Cornelius Claes Vandenburgh, built a landmark stone house on the Mohawk west of Crescent. Cornelius Claes Ferry was later called Dunsbach Ferry. Dunsbach Ferry originated, as the name suggests, as a ferry crossing over

320-635: A watershed management plan in this basin. This plan identifies five priority goals for the Mohawk River Basin that are designed to enhance ecosystem health and the vitality of the region. The Action Agenda, developed by the NYS DEC in collaboration with a number of stakeholders in the basin with public input, advocates an ecosystem-based approach to watershed management. In October 2014, Riverkeeper, an environmental advocacy and clean water watchdog organization, announced that they will be expanding

360-407: A week. There was considerable damage everywhere, especially Mohawk and Fort Plain. On July 3, 1985, Congress approved a project at Amsterdam for work to be done on the Mohawk River and South Chuctanunda Creek. South Chuctanunda Creek was cleared at the upstream end of the project for approximately 950 feet (290 m). New flood walls were installed along the right bank of South Chuctanunda Creek and

400-805: Is a hamlet of the town of Colonie , in Albany County , New York , United States. The hamlet sits to the east of, and below, the Thaddeus Kosciusko Bridge (also known as "The Twin Bridges"), where Interstate 87 (I-87) crosses the Mohawk River . There are numerous private and public docks and landings between the Twin Bridges and the Colonie Town Park. Dunsbach Ferry was once an important river crossing and

440-734: Is a 149-mile-long (240 km) river in the U.S. state of New York . It is the largest tributary of the Hudson River . The Mohawk flows into the Hudson in Cohoes, New York , a few miles north of the state capital of Albany . The river is named for the Mohawk Nation of the Iroquois Confederacy . A major waterway, in the early 19th century, the river's east-west valley provided the setting and water for development of

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480-521: The Catskill Delta , which is also Devonian in age. During the Pleistocene (c. 1.8 to 0.01 mya ), the watershed was extensively modified by continental glaciation . As a result of glacial scour and deposition, the surficial deposits in much of the watershed are poorly sorted boulder- and clay-rich glacial till . During deglaciation , several glacial lakes left varved clay deposits. In

520-733: The Erie Canal , as a key to developing New York. The largest tributary, the Schoharie Creek , accounts for over one quarter (26.83%) of the Mohawk River's watershed . Another main tributary is the West Canada Creek , which makes up for 16.33% of the Mohawk's watershed. The river's source is at the confluence of the West Branch Mohawk River and East Branch Mohawk River in north-central Oneida County . It begins flowing generally southeastward towards

560-717: The Green Mountains of Vermont ; and westward to the border with the Iroquoian Oneida Nation 's traditional homeland territory. The river has long been important to transportation and migration to the west as a passage through the Appalachian Mountains , between the Catskill Mountains and Allegheny Plateau to the south and the Adirondack Mountains to the north. The Mohawk Valley allowed easier passage than going over

600-609: The Adirondacks. In the watershed, these rocks are only significant in the headwaters of the West Canada Creek. Much of the main trunk of the Mohawk River sits in Cambro - Ordovician carbonates ( limestone ) and Middle Ordovician sandstones and shales . The southern tributaries (Catskill Mountains) are underlain by a thin sequence of Devonian limestones that are overlain by a thick sequence of sandstones and shale of

640-546: The Erie Canal to the Mohawk River in 1910, the hamlet became home to many barge captains and as a stop for provisioning the barges. A gauging station was established at Dunsbach Ferry in 1898 by D.J. Howell for measuring the discharge flow of the river and the record continued on at the West Troy Water Company dam and pumping station at the hamlet, it was located roughly 200 feet south (upstream) of

680-662: The Hamlet of Westernville receiving Deans Gulf along the way. In Westernville it enters Delta Reservoir . After exiting the reservoir it heads south toward the City of Rome receiving Hurlbut Glen Brook and passing the Rome Fish Hatchery along the way. On the south side of the City it enters the Erie Canal and begins to flow east. After Rome the river flows generally east through the Mohawk Valley , passing by

720-402: The Hamlet of Hillside, first receiving Blue Brook then McMullen Brook and Haynes Brook . In Hillside is the confluence of Lansing Kill , after which it flows towards the Hamlet of North Western receiving Stringer Brook along the way. After North Western it receives Tannery Brook then Wells Creek in the Hamlet of Frenchville . At Frenchville it curves to the southwest and heads toward

760-549: The Mohawk Barge Canal locks sustained major damage, especially near Waterford and Rotterdam Junction. Another major flood was on June 28, 2013. It was caused by heavy rain that had fallen in the region for weeks. On the night of June 27, 2013, the Jordanville area reported that 4 inches of rain fell in one hour. The next day, the Mohawk River flooded the valley, residents were stranded and without power for about

800-620: The Mohawk River, the other was at Rexford . The one in Crescent was called the Lower Mohawk Aqueduct, and the one at Rexford was the Upper Mohawk Aqueduct. When the Erie Canal was widened in 1842 a second larger Crescent aqueduct was built beside the first one. Afterwards the piers of the 1825 aqueduct were used to support a plank road at one point and later an iron toll bridge. The Lower Mohawk Aqueduct of 1842

840-630: The Mohawk River. A new wing wall was installed on the left bank of South Chuctanunda Creek at the upstream end of the New York Central Railroad Bridge. The South Chuctanunda was realigned and reshaped for approximately 1,056 feet (322 m) and riprap was added where needed. The existing channel of the South Chuctanunda was slightly reshaped downstream of the Florida Avenue bridge. Construction plans for

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880-666: The Mohawk River. The ferry was replaced for a short time by the Dunsbach Ferry Bridge, a bridge that had an unusual pier construction method involving cylinders with piles driven inside with heavy crib work outside. This bridge was constructed by the Dunsbach Ferry Bridge Company in 1898 in three spans; two were carried away by ice in 1903, and the third in 1905. When the creation of the New York State Barge Canal moved

920-435: The Mohawk, Delaware , and Susquehanna watersheds. Across the state, this event caused over $ 227 million in damage and resulted in the loss of four lives. This flooding was acute in the upper parts of the Mohawk watershed. The Mohawk River also saw significant flooding during the weeks between August 21, 2011, and September 5, 2011, due to torrential rains experienced from Hurricane Irene and Tropical Storm Lee . Many of

960-500: The NY State Legislature in 1997 to improve historic preservation along the river. The Mohawk River has a relatively long record of flooding that has been documented back to settlement in the 17th century. The average volume of water that flows through the Mohawk is about 184 billion cubic feet (5.21 km ) every year. Much of the water flows through the watershed in the spring as snow melts rapidly and enters

1000-644: The Scotia Delta, which is also known as the Great Flats Aquifer. The river is named for the Mohawk Nation of the Iroquois Confederacy . In the 1700s and before, the Mohawk people, a section of Iroquois Confederacy , were based in the Mohawk Valley , which included the area around the creek. Their territory ranged north to the St. Lawrence River , southern Quebec and eastern Ontario ; south to greater New Jersey and into Pennsylvania; eastward to

1040-417: The bridge. The dam was built in order to supply West Troy (later Watervliet) with water, and was partially removed in 1912. The bucolic nature of the surroundings made it a natural summer resort village. As year-round residents have become more common summer homes have become remodeled and winterized with additions built on, though some summer cottages remain and farms and undeveloped woodlands still shelter

1080-602: The cities of Utica , Little Falls , Canajoharie , Amsterdam , and Schenectady before entering the Hudson River at Cohoes , just north of Albany. The river and its supporting canal, the Erie Canal , connect the Hudson River and port of New York with the Great Lakes at Buffalo, New York . The lower part of the Mohawk River has five permanent dams , nine movable dams (seasonal), and five active hydropower plants . Schoharie Creek and West Canada Creek are

1120-474: The difficulties of European westward settler migration . The Mohawk Valley still plays an important role in transportation. Railroads followed the Water Level Route , as did major east–west roads such as Route 5 and Interstate 90 . The Mohawk River Heritage Corridor Commission was created to preserve and promote the natural and historic assets of the Mohawk River. This commission was created by

1160-486: The final stages of deglaciation, approximately 13,350 years ago, the catastrophic draining of Glacial Lake Iroquois , a pro-glacial lake, was through what would become the modern Mohawk Valley. In this final phase, the enormous discharge of water caused local deep scour features (e.g. the Potholes at Little Falls ), and extensive sand and gravel deposition, which is one of the key sources of municipal groundwater including

1200-410: The ice jam breakup happened in late February after record warm weather in the region. These ice jams can cause considerable damage to structures along the riverbanks and on the floodplain. The most severe flood of record on the main trunk of the Mohawk River was the spring breakup flood that occurred from 27 to 28 March 1914. This flood caused a tremendous amount of damage to the infrastructure because it

1240-604: The inland side of the hamlet from the developments in Latham along U.S. Route 9 (US 9). While Colonie's hamlets do not have specifically demarcated borders, Dunsbach Ferry is generally considered to include the areas along the Mohawk River from I-87 to the Colonie Town Park. It is accessible by road from the Colonie hamlets of Boght Corners , Crescent Station , and Latham . Dunsbach Ferry has architectural styles ranging from colonial , ranch, and cape, with sidings finished in

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1280-545: The mountains to the north or south of the valley. As a result, it was strategically important during the French and Indian War and the American Revolutionary War , and a number of important battles were fought here. The fertile Mohawk Valley also attracted early settlers. The river was the highway of the native Mohawk people . The Mohawk name for the river is Teionontatátie , "a river flowing through

1320-647: The principal tributaries of the Mohawk River. Both of these tributaries have several significant dams including the Hinckley Dam on the West Canada and the Gilboa Dam on the upper reaches of Schoharie Creek. The Gilboa Dam, which was completed in 1926 as part of the New York City water supply system , is the subject of an active and aggressive rehabilitation project. The Mohawk watershed drains

1360-493: The project were issued on November 15, 1962. Construction work began on February 25, 1963, with construction being completed on June 4, 1965. The flood walls protect the city of Amsterdam from floods of 122,500 cu ft/s (3,470 m /s) from the Mohawk River and floods of 3,400 cu ft/s (96 m /s) from South Chuctanunda Creek. The floodwalls were able to prevent $ 13.6 million in damages from tropical storms Lee and Irene . In July 2012, governor Cuomo announced

1400-410: The river for the passage of barge traffic. There are only a few cut stone remnants of the abutments on both the north and south banks of the Mohawk River which mark the opposite ends of the aqueduct. In the 1950s a steel girder bridge was built to replace the truss bridge. This multi-girder bridge was replaced in 1996 with a new steel girder bridge. Dunsbach Ferry, New York Dunsbach Ferry

1440-494: The river in the mid-18th century where he encountered some of the indigenous peoples belonging to the Iroquois confederacy, and has left a record for posterity of some of their customs in his journal. In the early nineteenth century water transport was a vital means of transporting both people and goods. A corporation was formed to build the Erie Canal off the Mohawk River to Lake Erie . Its construction simplified and reduced

1480-401: The tributaries and the main trunk of the river. The maximum average daily flow on the river occurs between late March and early April. For the period between 1917 and 2000, the highest mean daily flow is c. 18,000 cu ft (510 m ) as measured at Cohoes, near the confluence with the Hudson. The lowest mean daily flow of 1,400 cu ft (40 m ) occurs in late August. There is

1520-562: Was 1,137 feet (347 m) in length, 40.5 feet (12.3 m) wide (interior width) and had 26 stone arch spans. It stood for 73 years until the New State Barge Canal system opened in 1915. It was the longest aqueduct in the state. When the State Barge Canal replaced the Erie Canal a new five-span truss bridge was built across the river (1914) and the 1842 aqueduct and the iron toll bridge were dismantled to clear

1560-485: Was a spring breakup flood with enormous amounts of ice. Ice jams of some significance occur about every other year. One major flood on the Mohawk was on 26–29 June 2006, during the Mid-Atlantic United States flood of 2006 . Flooding was caused by a stalled frontal system that resulted in 50 to 330 millimeters (2.0 to 13.0 in) of rain across central New York and widespread flooding occurred in

1600-465: Was the outpost of civilization and Dutch-English rule in the Mohawk valley." In 1712 the British, now in control of New York, built Fort Hunter at the confluence of the Mohawk and the Schoharie Creek , about 22 miles (35 km) upriver from Schenectady. Around 600 Palatine Germans were settled along the Mohawk and Schoharie Creek. Swedish explorer and botanist, Pehr Kalm , visited the area along

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