List of rivers of Connecticut

Last updated December 19, 2025

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Most of Connecticut's rivers flow into Long Island Sound and from there the waters mix into the Atlantic Ocean. A few extremely eastern rivers flow into Block Island Sound. The list is arranged by drainage basin from east to west, with respective tributaries indented from downstream to upstream under each larger stream's name.

By drainage basin (east to west)
Block Island Sound
Long Island Sound
New York Harbor
References
See also

By drainage basin (east to west)

Block Island Sound

Pawcatuck River – easternmost CT river basin
- Shunock River
- Ashaway River (Rhode Island)
  - Green Fall River
- Wood River

Long Island Sound

Rivers of New Haven Newhavenrivers.png — Rivers of New Haven

Housatonic River watershed Housatonicrivermap.png — Housatonic River watershed

Rippowam River, 1906 PostcardStamfordCTRippowamRiverBridgeHouses1906.jpg — Rippowam River, 1906

Fivemile River
Noroton River
Rippowam River – also known as Mill River in its lower end in Stamford
Mianus River
Byram River – Westernmost river basin in Connecticut

New York Harbor

Map of the Croton River drainage basin Crotonrivermap.png — Map of the Croton River drainage basin

Hudson River (New York)
- Croton River (New York)
  - Titicus River

References

"USGS Geographic Names Information Service" . Retrieved 2007-07-17.
"Professor Higbee's Stream Maps of New England". Vivid Publishing, Inc. 1995. Retrieved 2007-07-17.

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Connecticutportal

Rivers of Connecticut by drainage system

Long Island Sound

Black Rock Harbor	Ash Creek Rooster River
Bridgeport Harbor	Pequonnock River
Connecticut River Watershed	Blackledge River Coginchaug River Connecticut River Duck River Eightmile River Falls River Farmington River Hockanum River Hubbard River Jeremy River Lieutenant River Mattabesset River Nepaug River Pameacha Creek Park River Pequabuck River Podunk River Salmon River Scantic River
Housatonic River Watershed	Blackberry River East Aspetuck River Housatonic River Konkapot River Mad River Naugatuck River Pomperaug River Rocky River Schenob Brook Shepaug River Still River Ten Mile River Whiting River
Little Narragansett Bay (Pawcatuck River Watershed)	Ashaway River Green Fall River Pawcatuck River Shunock River Wood River
Milford Harbor	Wepawaug River
New Haven Harbor	Mill River Quinnipiac River West River
Norwalk Harbor (Norwalk River Watershed)	Norwalk River Silvermine River
Saugatuck River Watershed	Aspetuck River Saugatuck River
Thames River Watershed	Basset Brook Beaver Brook Bigelow Brook Fenton River Fishers Brook Five Mile River French River Hop River Little River Merrick Brook Moosup River Mount Hope River Natchaug River Oxoboxo River Pachaug River Quinebaug River Shetucket River Thames River Willimantic River Yantic River
Others	Black Hall River Byram River Cove River Farm River Hammonasset River Indian River Mianus River Mill River (Fairfield) Mystic River Niantic River Noroton River Oyster River Rippowam River

Upper New York Bay

Hudson River Watershed	Titicus River

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List of rivers of Connecticut

Contents

By drainage basin (east to west)

Block Island Sound

Long Island Sound

New York Harbor

References

See also