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Johnson Creek (Lithia Springs Creek tributary)

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Johnson Creek
Johnson's Creek
Johnson Creek looking upstream
Map
Physical characteristics
Source 
 • locationvalley on Montour Ridge in Point Township, Northumberland County, Pennsylvania
 • elevation800 ft (240 m)
Mouth 
 • location
Lithia Springs Creek in Point Township, Northumberland County, Pennsylvania
 • elevation
486 ft (148 m)
Length2.3 mi (3.7 km)
Basin size4.09 sq mi (10.6 km2)
Basin features
ProgressionLithia Springs Creek → Susquehanna River → Chesapeake Bay

Johnson Creek (also known as Johnson's Creek[1]) is a tributary of Lithia Springs Creek in Northumberland County, Pennsylvania, in the United States. It is approximately 2.3 miles (3.7 km) long and flows through Point Township.[2] The watershed of the creek has an area of 4.09 square miles (10.6 km2). It has no named tributaries, but has at least one unnamed tributary. A ridge known as Montour Ridge is in the watershed of the creek and a ravine with high levels of biodiversity is present on one if its tributaries. The creek is considered to be a Coldwater Fishery and a Migratory Fishery.

Course

Johnson Creek looking downstream

Johnson Creek begins in a valley on Montour Ridge in Point Township. It flows south-southeast for several hundred feet and exits the valley. It then turns south for several tenths of a mile before turning south-southeast again for more than a mile. In this stretch, the creek receives two unnamed tributaries and enters another valley. It then receives two more unnamed tributaries and turns east and slightly north. After approximately a mile, it reaches its confluence with Lithia Springs Creek.[2]

Johnson Creek joins Lithia Springs Creek 1.64 miles (2.64 km) upstream of its mouth.[3]

Tributaries

Johnson Creek has no named tributaries.[2] However, it has a number of unnamed tributaries, including at least one that is fed by a spring.[2][4]

Geography

The elevation at the mouth of Johnson Creek is 486 feet (148 m) above sea level.[5] The elevation of the creek's source slightly under 800 feet (240 m) above sea level.[2]

A ridge known as Montour Ridge is in the vicinity of Johnson Creek. A tributary of the creek flows through a ravine known as the Montour Ridge Ravine, which is situated on the ridge.[4] The creek is the only stream in Northumberland or Point Township to have a 100 year floodplain.[1]

Water from the Lithia Spring Sewer Project discharges into Johnson Creek.[6] Expansion of sewage collection lines near the creek has been proposed in the __.[1]

Watershed

The watershed of Johnson Creek has an area of 4.09 square miles (10.6 km2).[3] The creek is in the United States Geological Survey quadrangle of Northumberland.[5] It is approximately 3 miles (4.8 km) northeast of the community of Northumberland.[7] The Montour Ridge Ravine, which a tributary of the creek flows through, is listed as a Locally Significant Area in the Northumberland County Natural Areas Inventory and is given a rank of "high" in the inventory. The ravine is on private land.[4]

History

Johnson Creek was entered into the Geographic Names Information System on August 2, 1979. Its identifier in the Geographic Names Information System is 1178111.[5]

Permission was requested of the supervisors of Point Township to construct a bridge over Johnson Creek in around 1917.[7]

Biology

Hemlocks line the Montour Ridge Ravine, which a tributary of Johnson Creek flows through. This area has a high level of plant and animal biodiversity. Plant species such as spicebush, Canada mayflower, wild sarsaparilla, skunk cabbage, jack-in-the-pulpit, red maple, striped maple, Allegheny blackberry, witch-hazel, basswood, beech, and violets. Various salamander species, such as Eurycea bislineata, Gyrinophilus porphyriticus, and Desmognathus fuscus fuscus also inhabit the area. The hemlock wooly adelgid has also been observed in the ravine.[4]

Johnson Creek is considered to be a Coldwater Fishery and a Migratory Fishery.[6]

See also

References

  1. ^ a b c Northumberland Borough-Point Township Joint Comprehensive Plan And Joint Parks, Recreation and Open Space Plan July 2009 (PDF), July 2009, retrieved October 28, 2014
  2. ^ a b c d e United States Geological Survey, The National Map Viewer, retrieved October 27, 2014
  3. ^ a b Pennsylvania Gazetteer of Streams (PDF), November 2, 2001, retrieved October 27, 2014
  4. ^ a b c d Western Pennsylvania Conservancy (2008), A NATURAL AREAS INVENTORY OF NORTHUMBERLAND COUNTY, PENNSYLVANIA Update 2008 (PDF), retrieved October 28, 2014
  5. ^ a b c Geographic Names Information System, Feature Detail Report for: Johnson Creek, retrieved October 28, 2014
  6. ^ a b THE PENNSYLVANIA CLEAN STREAMS LAW AND THE FEDERAL CLEAN WATER ACT: FINAL ACTIONS TAKEN FOR NPDES PERMITS AND WQM PERMITS, Pennsylvania Bulletin, July 13, 2013, retrieved October 28, 2014 {{citation}}: Italic or bold markup not allowed in: |publisher= (help)
  7. ^ a b Department Reports of Pennsylvania, Volume 3, Part 3, 1917, p. 2141, retrieved October 28, 2014
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