Sawmill Branch (Smyrna River tributary)

Sawmill Branch is a 7.28 mi (11.72 km) long 2nd order tributary to Smyrna River in New Castle County, Delaware.

Sawmill Branch
Tributary to Smyrna River
Location of Sawmill Branch mouth
Location of Sawmill Branch mouth
Location of Sawmill Branch mouth
Location of Sawmill Branch mouth
Location
CountryUnited States
StateDelaware
CountyNew Castle
Physical characteristics
SourceBlackbird Creek divide
 • locationPond about 0.5 miles east-southeast of Blackbird, Delaware
 • coordinates39°21′46″N 075°38′26″W / 39.36278°N 75.64056°W / 39.36278; -75.64056[1]
 • elevation55 ft (17 m)[2]
MouthSmyrna River
 • location
about 1.5 miles southeast of Chambersville, Delaware
 • coordinates
39°20′55″N 075°33′27″W / 39.34861°N 75.55750°W / 39.34861; -75.55750[1]
 • elevation
0 ft (0 m)[2]
Length7.28 mi (11.72 km)[3]
Basin size10.24 square miles (26.5 km2)[4]
Discharge 
 • average12.00 cu ft/s (0.340 m3/s) at mouth with Smyrna River[4]
Basin features
Progressionsoutheast
River systemSmyrna River
Tributaries 
 • leftunnamed tributaries
 • rightunnamed tributaries
BridgesDE 1, Black Diamond Road, Eagles Nest Landing Road, Deer Run Road, Walker School Road, Paddock Road

Variant names

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

  • Northwest Branch

Course

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Sawmill Branch rises in a pond on the Blackbird Creek divide about 1.5 miles southeast of Blackbird in New Castle County, Delaware. Sawmill Branch then flows southeast to meet the Smyrna River about 1.5 miles southeast of Chambersville, Delaware.[2]

Watershed

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Sawmill Branch drains 10.24 square miles (26.5 km2) of area, receives about 44.0 in/year of precipitation, has a topographic wetness index of 589.76 and is about 18.8% forested.[4]

See also

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References

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  1. ^ a b c "GNIS Detail - Sawmill Branch". geonames.usgs.gov. US Geological Survey. Retrieved 2 March 2020.
  2. ^ a b c "Sawmill Branch Topo Map, New Castle County DE (Smyrna Area)". TopoZone. Locality, LLC. Retrieved 2 March 2020.
  3. ^ "ArcGIS Web Application". epa.maps.arcgis.com. US EPA. Retrieved 2 March 2020.
  4. ^ a b c "Sawmill Branch Watershed Report". Waters Geoviewer. US EPA. Retrieved 2 March 2020.