Patapsco River

Patapsco River
The River of History
Patapsco River; The River of History
	Patapsco Valley State Park at Catonsville
	Patapsco River Watershed
Native name	Potapskut (Algonquian languages)
Location
Country	United States
State	Maryland
Region	Baltimore metropolitan area, Patapsco Valley
Cities	Baltimore, Elkridge, Ellicott City
Physical characteristics
Source
• location	Marriottsville
• coordinates	39°20′59″N 76°52′56″W / 39.3498272°N 76.8821987°W
• elevation	260 ft (79 m)
Mouth	Chesapeake Bay
• location	Baltimore
• coordinates	39°10′25″N 76°26′36″W / 39.1737202°N 76.4432935°W
• elevation	0 ft (0 m)
Length	63 км
Basin size	950 sq mi (2,460 km2)
Basin features
Tributaries
• left	North Branch
• right	South Branch

The Patapsco River (/pəˈtæpˌskoʊ/ pə-TAP-skoh ^ⓘ) mainstem is a 39-mile (63 km)^[1] river in central Maryland that flows into the Chesapeake Bay. The river's tidal portion forms the harbor for the city of Baltimore. With its South Branch, the Patapsco forms the northern border of Howard County, Maryland. The name "Patapsco" is derived from the Algonquian pota-psk-ut, which translates to "backwater" or "tide covered with froth".^[2]

^ "The National Map - Advanced Viewer". apps.nationalmap.gov. Retrieved April 5, 2023.
^ "Ghosts of industrial heyday still haunt Baltimore's harbor, creeks". Chesapeake Bay Journal. Retrieved September 8, 2012.

[NHD-1] "The National Map - Advanced Viewer". apps.nationalmap.gov. Retrieved April 5, 2023.

[2] "Ghosts of industrial heyday still haunt Baltimore's harbor, creeks". Chesapeake Bay Journal. Retrieved September 8, 2012.

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