Delaware River (Kansas)

Delaware River
Kansas City metropolitan rivers with the Delaware in the northwest
Location
CountryUnited States
StateKansas
Physical characteristics
Source 
 • locationNortheast Nemaha County, Kansas, United States
 • coordinates39°55′40″N 95°50′15″W / 39.92778°N 95.83750°W / 39.92778; -95.83750
 • elevation827 ft (252 m)
MouthKansas River
 • location
Near Perry, Kansas, United States
 • coordinates
39°03′33″N 95°23′52″W / 39.05917°N 95.39778°W / 39.05917; -95.39778
 • elevation
252 ft (77 m)
Length94 mi (151 km), North-South
Discharge 
 • locationPerry, Kansas
 • average654 cu/ft. per sec.
Basin features
River systemKansas River watershed

The Delaware River (originally called the Grasshopper River) is a 94-mile-long (151 km) 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.