Powdermill Run (White Oak Run tributary)
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.
| Powdermill Run Tributary to White Oak Run | |
|---|---|
  Location of Powdermill Run mouth  Powdermill Run (White Oak Run tributary) (the United States) | |
| Location | |
| Country | United States |
| State | Pennsylvania |
| County | Westmoreland |
| Physical characteristics | |
| Source | Linn Run/Clear Run divide |
| • location | about 1 mile west of Bald Knob[1] |
| • coordinates | 40°07′05″N 079°13′31″W[2] |
| • elevation | 2,370 ft (720 m)[1] |
| Mouth | White Oak Run |
• location | about 0.25 miles southwest of Weaver Mill, Pennsylvania[1] |
• coordinates | 40°10′21″N 079°16′08″W[2] |
• elevation | 1,332 ft (406 m)[2] |
| Length | 4.36 mi (7.02 km)[3] |
| Basin size | 4.22 square miles (10.9 km2)[4] |
| Discharge | |
| • location | White Oak Run |
| • average | 10.20 cu ft/s (0.289 m3/s) at mouth with White Oak Run[4] |
| Basin features | |
| Progression | northwest |
| River system | Loyalhanna Creek |
| Tributaries | |
| • left | unnamed tributaries |
| • right | unnamed tributaries |
Variant names
According to the Geographic Names Information System, it has also been known historically as:[2]
- 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.[1]
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.[4] The watershed is 99% forested.[4]
Additional Images
References
- "Powdermill Run Topo Map, Westmoreland County PA (Stahlstown Area)". TopoZone. Locality, LLC. Retrieved 29 December 2019.
- "GNIS Detail - Powdermill Run". geonames.usgs.gov. US Geological Survey. Retrieved 29 December 2019.
- "ArcGIS Web Application". epa.maps.arcgis.com. US EPA. Retrieved 29 December 2019.
- "Powdermill Run Watershed Report". Waters Geoviewer. US EPA. Retrieved 29 December 2019.