Gravelly Branch
Tributary to Nanticoke River
Map of Gravelly Branch mouth location
Map of Gravelly Branch mouth location
Location of Gravelly Branch mouth
Map of Gravelly Branch mouth location
Map of Gravelly Branch mouth location
Gravelly Branch (Nanticoke River tributary) (the United States)
Location
CountryUnited States
StateDelaware
CountySussex
Physical characteristics
SourceEllendale Swamp on Sowbridge Branch divide
  locationabout 1 mile south-southeast of Ellendale, Delaware
  coordinates38°48′20″N 075°24′35″W / 38.80556°N 75.40972°W / 38.80556; -75.40972[1]
  elevation45 ft (14 m)[2]
MouthNanticoke River
  location
about 2 miles northeast of Middleford, Delaware
  coordinates
38°41′11″N 075°33′21″W / 38.68639°N 75.55583°W / 38.68639; -75.55583[1]
  elevation
3 ft (0.91 m)[3]
Length13.12 mi (21.11 km)[4]
Basin size39.09 square miles (101.2 km2)[5]
Discharge 
  locationNanticoke River
  average47.77 cu ft/s (1.353 m3/s) at mouth with Nanticoke River[5]
Basin features
ProgressionNanticoke RiverChesapeake BayAtlantic Ocean
River systemNanticoke River
Tributaries 
  leftGravelly Ditch
  rightProng Number One
Smith-Short and Willin Ditch
Tussocky Branch
WaterbodiesCollins Pond
BridgesSaw Mill Road (x2), US 113, W Robbins Road, Redden Road, Deer Forest Road, DE 18-404, Coverdale Road

Gravelly Branch is a 13.12 mi (21.11 km) long 4th order tributary to the Nanticoke River in Sussex County, Delaware.

Variant names

According to the Geographic Names Information System, it has also been known historically as:[1]

  • Gravel Creek
  • Gravely Branch

Course

Gravelly Branch rises in Ellendale Swamp on the Sowbridge Branch divide about 1 mile south-southeast of Ellendale, Delaware, and then flows southwest to join the Nanticoke River about 2 miles northeast of Middleford.[3]

Watershed

Gravelly Branch drains 39.09 square miles (101.2 km2) of area, receives about 45.2 in/year of precipitation, has a wetness index of 741.95, and is about 19% forested.[5]

See also

References

  1. 1 2 3 "GNIS Detail - Gravelly Branch". geonames.usgs.gov. US Geological Survey. Retrieved 19 May 2021.
  2. "Get Maps". USGS Topoview. US Geological Survey. Retrieved 19 May 2021.
  3. 1 2 "Get Maps". USGS Topoview. US Geological Survey. Retrieved 19 May 2021.
  4. "ArcGIS Web Application". epa.maps.arcgis.com. US EPA. Retrieved 19 May 2021.
  5. 1 2 3 "Gravelly Branch Watershed Report". US EPA Geoviewer. US EPA. Retrieved 19 May 2021.
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