Pollock Run

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.[2]

Pollock Run
Tributary to Youghiogheny River
Map of Pollock Run mouth location
Map of Pollock Run mouth location
Location of Pollock Run mouth
Map of Pollock Run mouth location
Map of Pollock Run mouth location
Pollock Run (the United States)
Location
CountryUnited States
StatePennsylvania
CountyWestmoreland
Allegheny
Physical characteristics
SourceCedar Creek divide
  locationRankins Corners, Pennsylvania[1]
  coordinates40°10′09″N 079°49′12″W[2]
  elevation1,060 ft (320 m)[1]
MouthYoughiogheny River
  location
Smithdale, Pennsylvania[3]
  coordinates
40°13′40″N 079°47′19″W[2]
  elevation
739 ft (225 m)[3]
Length5.55 mi (8.93 km)[4]
Basin size8.12 square miles (21.0 km2)[5]
Discharge 
  locationYoughiogheny River
  average9.16 cu ft/s (0.259 m3/s) at mouth with Youghiogheny River[5]
Basin features
ProgressionYoughiogheny RiverMonongahela RiverOhio RiverMississippi RiverGulf of Mexico
River systemMonongahela River
Tributaries 
  leftunnamed tributaries
  rightunnamed tributaries
BridgesFallsburg Road, PA 51, PA 201, Moores Road, PA 136, Coal Hollow Road (x3), Margaret Street (x2)

Course

Pollock Run rises at Rankins Corners, Pennsylvania in Westmoreland County,[1] and then flows southeast and then turns north to join the Youghiogheny River just into Allegheny County at Smithdale.[3]

Watershed

Pollock 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

Pollock Run is the location of Pollock Run Slopes BDA, which contains a remnant Mesic Central Forest community and a rare plant species.[6]

References

  1. "Get Maps". USGS Topoview. US Geological Survey. Retrieved 19 November 2020.
  2. "GNIS Detail – Pollock Run". geonames.usgs.gov. US Geological Survey. Retrieved 19 November 2020.
  3. "Get Maps". USGS Topoview. US Geological Survey. Retrieved 19 November 2020.
  4. "ArcGIS Web Application". epa.maps.arcgis.com. US EPA. Retrieved 19 November 2020.
  5. "Pollock Run Watershed Report". US EPA Geoviewer. US EPA. Retrieved 19 November 2020.
  6. "Westmoreland County Natural Heritage Inventory" (PDF). Pennsylvania Natural Heritage Program. Pennsylvania Natural Heritage Program. Retrieved 21 November 2020.
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