Powdermill Run (White Oak Run tributary) facts for kids

Quick facts for kids Powdermill Run
Show map of Pennsylvania Show map of the United States Location of Powdermill Run mouth
Other name(s)	Tributary to White Oak Run
Country	United States
State	Pennsylvania
County	Westmoreland
Physical characteristics
Main source	Linn Run/Clear Run divide about 1 mile west of Bald Knob 2,370 ft (720 m) 40°07′05″N 079°13′31″W / 40.11806°N 79.22528°W / 40.11806; -79.22528
River mouth	White Oak Run about 0.25 miles southwest of Weaver Mill, Pennsylvania 1,332 ft (406 m) 40°10′21″N 079°16′08″W / 40.17250°N 79.26889°W / 40.17250; -79.26889
Length	4.36 mi (7.02 km)
Basin features
Progression	northwest
River system	Loyalhanna Creek
Basin size	4.22 square miles (10.9 km2)
Tributaries	Left: unnamed tributaries Right: unnamed tributaries

Powdermill Run is a 4.36 mi (7.02 km) long 2nd order tributary to White Oak Run in Westmoreland County, Pennsylvania. This stream passes through the Powdermill Nature Preserve of the Carnegie Museum.

Variant names

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

• Powder Mill Creek
• Powder Mill Run
• Powdermill Creek
• Tributary No.1 to White Oak Run

Course

Powdermill Run rises on the Linn Run/Clear Run divide about 1 mile west of Bald Knob in Westmoreland County. Powdermill Run then flows northwest to meet White Oak Run about 0.25 miles southwest of Weaver Mill, Pennsylvania.

Watershed

Powdermill Run drains 4.22 square miles (10.9 km²) of area, receives about 52.1 in/year of precipitation, has a topographic wetness index of 359.94, and has an average water temperature of 8.58 °C. The watershed is 99% forested.

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