Delaware River (Kansas)

Delaware River
Kansas City metropolitan rivers with the Delaware in the northwest
Location
Country	United States
State	Kansas
Physical characteristics
Source
• location	Northeast Nemaha County, Kansas, United States
• coordinates	39°55′40″N 095°50′15″W / 39.92778°N 95.83750°W / 39.92778; -95.83750[1]
• elevation	827 ft (252 m)
Mouth	Kansas River
• location	Near Perry, Kansas, United States
• coordinates	39°03′33″N 095°23′52″W / 39.05917°N 95.39778°W / 39.05917; -95.39778[1]
• elevation	252 ft (77 m)[1]
Length	94 mi (151 km), North-South[2]
Discharge
• location	Perry, Kansas
• average	654 cu/ft. per sec.[3]
Basin features
River system	Kansas River watershed

The Delaware River (originally called the Grasshopper River)^[4] is a 94-mile-long (151 km)^[2] river located in the northeastern part of the state of Kansas. The Delaware River basin drains 1,117 square miles (2,890 km²) from the outflow of the Perry Lake reservoir. The river has been classified as a Category 1 watershed by the Kansas Department of Health and Environment, meaning that the watershed is in need of immediate restoration and protection. The river is one of the major tributaries of the Kansas River.