Pollock Run is a 5.55 mi (8.93 km) long 2nd order tributary to the Youghiogheny River in Allegheny County, Pennsylvania. This is the only stream of this name in the United States.[1]
| Pollock Run Tributary to Youghiogheny River | |
|---|---|
  Location of Pollock Run mouth  Pollock Run (the United States) | |
| Location | |
| Country | United States |
| State | Pennsylvania |
| County | Westmoreland Allegheny |
| Physical characteristics | |
| Source | Cedar Creek divide |
| • location | Rankins Corners, Pennsylvania[2] |
| • coordinates | 40°10′09″N 079°49′12″W / 40.16917°N 79.82000°W[1] |
| • elevation | 1,060 ft (320 m)[2] |
| Mouth | Youghiogheny River |
• location | Smithdale, Pennsylvania[3] |
• coordinates | 40°13′40″N 079°47′19″W / 40.22778°N 79.78861°W[1] |
• elevation | 739 ft (225 m)[3] |
| Length | 5.55 mi (8.93 km)[4] |
| Basin size | 8.12 square miles (21.0 km2)[5] |
| Discharge | |
| • location | Youghiogheny River |
| • average | 9.16 cu ft/s (0.259 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 | unnamed tributaries |
| • right | unnamed tributaries |
| Bridges | Fallsburg Road, PA 51, PA 201, Moores Road, PA 136, Coal Hollow Road (x3), Margaret Street (x2) |
Course
editPollock Run rises at Rankins Corners, Pennsylvania in Westmoreland County,[2] and then flows southeast and then turns north to join the Youghiogheny River just into Allegheny County at Smithdale.[3]
Watershed
editPollock Run drains 8.12 square miles (21.0 km2) of area, receives about 39.7 in/year of precipitation, has a wetness index of 335.80, and is about 40% forested.[5]
Natural History
editPollock Run is the location of Pollock Run Slopes BDA, which contains a remnant Mesic Central Forest community and a rare plant species.[6]
References
edit- ^ a b c "GNIS Detail – Pollock Run". geonames.usgs.gov. US Geological Survey. Retrieved 19 November 2020.
- ^ a b c "Get Maps". USGS Topoview. US Geological Survey. Retrieved 19 November 2020.
- ^ a b c "Get Maps". USGS Topoview. US Geological Survey. Retrieved 19 November 2020.
- ^ "ArcGIS Web Application". epa.maps.arcgis.com. US EPA. Retrieved 19 November 2020.
- ^ a b c "Pollock Run Watershed Report". US EPA Geoviewer. US EPA. Retrieved 19 November 2020.
- ^ "Westmoreland County Natural Heritage Inventory" (PDF). Pennsylvania Natural Heritage Program. Pennsylvania Natural Heritage Program. Retrieved 21 November 2020.