Black Run (Spruce Run)
| Black Run | |
|---|---|
Black Run in its lower reaches
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| Other name(s) | Blacks Run |
| Basin features | |
| Main source | Buffalo Mountain in West Buffalo Township, Union County, Pennsylvania between 1,520 and 1,540 feet (460 and 470 m) |
| River mouth | Spruce Run in Buffalo Township, Union County, Pennsylvania 502 ft (153 m) 40°59′09″N 76°59′03″W / 40.9858°N 76.9842°WCoordinates: 40°59′09″N 76°59′03″W / 40.9858°N 76.9842°W |
| Progression | Spruce Run → Buffalo Creek → West Branch Susquehanna River → Susquehanna River → Chesapeake Bay |
| Basin size | 4.72 sq mi (12.2 km2) |
| Tributaries |
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| Physical characteristics | |
| Length | 4.7 mi (7.6 km) |
Black Run (also known as Black's Run) is a tributary of Spruce Run in Union County, Pennsylvania, in the United States. It is approximately 4.7 miles (7.6 km) long and flows through West Buffalo Township and Buffalo Township. The watershed of the stream has an area of 4.72 square miles (12.2 km2). The stream has two unnamed tributaries and is not designated as an impaired waterbody. Its watershed is mostly forested, but there is some agricultural land. A few bridges have been constructed across the stream.
Black Run begins on Buffalo Mountain in West Buffalo Township. It flows southeast for several tenths of a mile, reaching the base of the mountain and entering a valley. Here, it turns east for a few miles, entering Buffalo Township and receiving two unnamed tributaries from the . The stream eventually turns south-southeast for more than a mile before reaching its confluence with Spruce Run.
Black Run joins Spruce Run 0.80 miles (1.29 km) upstream of its mouth.
The elevation near the mouth of Black Run is 502 feet (153 m) above sea level. The elevation of the stream's source is between 1,520 and 1,540 feet (460 and 470 m) above sea level.
Black Run is not designated as an impaired waterbody.
The watershed of Black Run has an area of 4.72 square miles (12.2 km2). The mouth of the stream is in the United States Geological Survey quadrangle of Lewisburg. However, its source is in the quadrangle of Williamsport SE. The stream also passes through the quadrangle of Mifflinburg.
A total of 71 percent of the watershed of Black Run is on forested land. Another 22 percent is on agricultural land and 3 percent is on impervious surfaces, though this may increase to 31 percent in the future.
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