Paskamanset River

The Paskamanset River, also known as the Paskamansett River, is a 13.4-mile-long (21.6 km)[1] river in New Bedford and Dartmouth, Massachusetts. The Paskamanset and Slocums River really form just a single river, but the freshwater portion kept its earlier Indian name, while the salt-water portion is named for its English discoverer.

Paskamanset River in Russells Mills Village

The river originates in the Acushnet cedar swamp in New Bedford, and in Sassaquin Pond, also called Myles Pond. It runs through Dartmouth, passing under U.S. Route 6 and the town's former dump, and heading toward Russells Mills, and eventually drains into the Slocums River, with an associated floodplain in Apponagansett Swamp.

The river has been polluted for some years, mainly by pathogens and overly high nitrogen levels. Both appear caused primarily by the town's dump. It was closed in 1995 and capped to prevent future contaminated runoff, but decades of waste have been leaching into the river.

In addition, although the river has historically supported large river herring runs, the fish have greatly declined since the mid-1970s. This may be caused by rapid urbanization and by dam construction. Efforts are now underway to restore herring runs to the river.

References

U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed April 1, 2011

Rivers of Massachusetts by drainage system

Atlantic Ocean

Buzzards Bay	Acushnet River Agawam River Back River Copicut River Crooked River Mattapoisett River Nasketucket River Paskamanset River Pocasset River Sippican River Slocums River Wankinco River Westport River Weweantic River
Nantucket Sound	Bass River Bumps River Childs River Coonamesset River Mashpee River Mitchell River Oyster Pond River Popponesset Creek Quashnet River Santuit River
Others	Tiasquam River

Gulf of Maine

Cape Cod Bay	Bluefish River Eel River Herring River Jones River Little Pamet River Pamet River Town Brook
Massachusetts Bay	Aberjona River Alewife Brook Canton River Charles River Chelsea Creek Cochato River Fore River Fresh River Indian Head River Malden River Millers River Monatiquot River Muddy River Mystic River Neponset River North River Saugus River Stony Brook (Boston) Stony Brook (Waltham) Stop River Weir River Weymouth Back River
Merrimack River Watershed	Artichoke River Assabet River Back River Beaver Brook Cochichewick River Concord River Little River Merrimack River Nashua River Nissitissit River North Nashua River Phillips Brook Powwow River Quinapoxet River Salmon Brook Shawsheen River Souhegan River South Branch Souhegan River South Nashua River Spicket River Squannacook River Stillwater River Sudbury River Trout Brook Vine Brook Whitman River
Others	Annisquam River Blackwater River Eagle Hill River Egypt River Ipswich River Jericho Creek Roger Island River Rowley River Skug River

Long Island Sound

Connecticut River Watershed	Burnshirt River Chapel Brook Chicopee River Connecticut River Cranberry River Deerfield River East Brookfield River Farmington River Fall River Five Mile River Green River Hubbard River Manhan River Mill River (Northampton) Mill River (Springfield) Millers River Mirey Brook North Branch Millers River North Branch Westfield River North River Otter River Quaboag River Scantic River Seven Mile River Tarbell Brook Ware River Westfield River
Housatonic River Watershed	Housatonic River Konkapot River Schenob Brook Umpachene River
Thames River Watershed	French River Quinebaug River

Narragansett Bay

Mount Hope Bay (Taunton River Watershed)	Assonet River Canoe River Cedar Swamp River Cocasset River Cotley River Forge River Hockomock River Matfield River Mill River Nemasket River Poor Meadow Brook Quequechan River Rumford River Salisbury Plain River Satucket River Segreganset River Shumatuscacant River Snake River Taunton River Three Mile River Town River Wading River Winnetuxet River
Providence River Watershed	Abbott Run Blackstone River Bungay River Chockalog River Mill River Mumford River Peters River Quinsigamond River Sevenmile River Tannery River Ten Mile River Thacher River West River Wilde River
Others	Barrington River Cole River Coles Brook Kickamuit River Lees River Palmer River Runnins River

Upper New York Bay

Hudson River Watershed	Hoosic River Kinderhook Creek

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