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Coginchaug River

From Wikipedia, the free encyclopedia

Coginchaug River
The Coginchaug River in Middletown in 2023
CountryUnited States
CitiesMiddletown, Middlefield, Durham, Guilford
Physical characteristics
 • locationGuilford, Connecticut, New Haven County, Connecticut, United States
 • coordinates41°24′25″N 72°42′19″W / 41.40694°N 72.70528°W / 41.40694; -72.70528
 • elevation335 ft (102 m)
MouthMattabesset River
 • location
Middletown, CT, Connecticut
 • coordinates
41°34′42″N 72°39′30″W / 41.57833°N 72.65833°W / 41.57833; -72.65833
 • elevation
20 ft (6.1 m)
Length16.1 mi (25.9 km)
Basin size39 sq mi (100 km2)
 • locationMiddletown, CT

The Coginchaug River in Connecticut, with a watershed including 39 sq mi of forests, pastures, farmland, industrial, and commercial areas, is the main tributary of the Mattabesset River. It is 16.1 mi long, and the river flows northwards from a point approximately 1.8 mi south of the Durham line in Guilford, Connecticut, into Durham and then Middlefield, meeting the Mattabesset in Middletown,[1] about 0.8 miles (1.3 km) upstream[2] of the Connecticut River. The name "Coginchaug" comes from a local Native American name for the Durham area and it was the original name for the town. It has been said to mean "The Great Swamp", and is a reference to the meadows found in the central part of town.

In 2006, the Coginchaug was among Connecticut's 85 waterways cited to be of "lower quality", in view of the elevated levels of bacteria, including E. coli. Currently, efforts are being made by the Natural Resources Conservation Service of the United States Department of Agriculture to reduce the number of bacteria introduced into the river from untreated sewage, sanitary sewer overflow, agricultural runoff, leaking septic tanks, etc.[1]

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  • Mattabasset River



The river has become a popular canoeing route. In 2006, it was considered[3] safe for canoeing, though it is not safe for in-water activities like swimming[verification needed]. Flowing from Myer Huber Pond, it runs slowly through thick swamps which stretch over 3 miles (5 km) and are likely to be impassable except immediately after heavy rains.[verification needed] The main paddling route starts at Route 147 and continues downstream, north, through additional slow-moving waters and a swamp. There are many[vague] portages, including those at six dams and at Wadsworth Falls, the only major waterfall. Class II whitewater is possible before it flows into the tidal marsh of the Mattabesset River.

See also


  1. ^ a b Griffin, Keith (April 25, 2007). "Monitoring the Coginchaug River for a better future". Middlesex County Advertising Supplement. The Hartford Courant. p. 9.
  2. ^ "Google Maps" for lower reaches of Coginchaug & Mattabesset, and adjacent portion of the Connecticut
  3. ^ "CT Rivers Community - Coginchaug River". Archived from the original on 2016-06-14. Retrieved 2013-04-19.

External links

Media related to Coginchaug River at Wikimedia Commons

This page was last edited on 22 October 2023, at 18:44
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