Sewickley Creek is a 29.53 mi (47.52 km) long 4th order tributary to the Youghiogheny River in Westmoreland County, Pennsylvania. This is the only stream of this name in the United States.[2]

Sewickley Creek Tributary to Youghiogheny River
A bend in Sewickley Creek as seen from the Five Star Trail, just southeast of the campus of Westmoreland Community College in Hempfield Township, PA, December 2018.
Location of Sewickley Creek mouth Show map of Pennsylvania Sewickley Creek (the United States) Show map of the United States
Location
Country	United States
State	Pennsylvania
County	Westmoreland
Borough	Hunker Youngwood New Stanton
Physical characteristics
Source	Fourmile Run divide
• location	about 1 mile north-northeast of Pleasant Unity, Pennsylvania[1]
• coordinates	40°15′57″N 079°26′07″W[2]
• elevation	1,145 ft (349 m)[1]
Mouth	Youghiogheny River
• location	Collinsburg, Pennsylvania[3]
• coordinates	40°13′45″N 079°46′39″W[2]
• elevation	740 ft (230 m)[3]
Length	29.53 mi (47.52 km)[4]
Basin size	167.49 square miles (433.8 km2)[5]
Discharge
• location	Youghiogheny River
• average	205.64 cu ft/s (5.823 m3/s) at mouth with Youghiogheny River[5]
Basin features
Progression	Youghiogheny River → Monongahela River → Ohio River → Mississippi River → Gulf of Mexico
River system	Monongahela River
Tributaries
• left	Welty Run Boyer Run Wilson Run Belson Run Buffalo Run Lick Run Hunters Run
• right	North Branch Sewickley Creek Brinker Run Township Line Run Jacks Run Pinkerton Run Kelly Run Little Sewickley Creek
Bridges	Schmuckers Road, PA 981, Kemerer Road, Phillips Road, PA 130, Bingham Road, Dutch Hill Road, Pollins Road, Fairground Road, United Road, Mt. Pleasant Road, Brinkerton Ext., Udell Road, Mt. Pleasant Road, Trouttown Road, Stone Church Road, US 119, I-76, S Center Avenue, Chaney Brothers Road, New Stanton-Ruffsdale Road, Hunker Waltz Mill Road, Waltz Mill Road, I-70, Yukon Road, Creek Road, Bells Mills Road, PA 136, Apples Mill Road, Sutersville Road

Variant names

According to the Geographic Names Information System, it has also been known historically as:[2]

• Sewickey Creek

Course

Sewickley Creek rises in a pond about 1 mile north of Pleasant Unity, Pennsylvania,[1] and then flows westerly to join the Youghiogheny River across from Collinsburg.[3]

Watershed

Sewickley Creek drains 167.49 square miles (433.8 km²) of area, receives about 43.3 in/year of precipitation, has a wetness index of 370.17, and is about 45% forested.[5]

See also

• List of rivers of Pennsylvania

References

External links

• Sewickley Creek Watershed Association
• Sewickley Creek Watershed Conservation Plan
• Sewickley Creek Watershed Assessment

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