Big Blue River (Kansas)
Encyclopedia
For the stream that flows from Johnson County, Kansas, through Kansas City that is often referred to as the Big Blue see Blue River (Missouri)
Blue River (Missouri)
The Blue River is a stream that flows through Johnson County, Kansas and Jackson County, Missouri in the Kansas City Metropolitan Area. The river rises in Johnson County near the border of the states of Kansas and Missouri...



The Big Blue River is the largest tributary
Tributary
A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 of the Kansas River
Kansas River
The Kansas River is a river in northeastern Kansas in the United States. It is the southwestern-most part of the Missouri River drainage, which is in turn the northwestern-most portion of the extensive Mississippi River drainage. Its name come from the Kanza people who once inhabited the area...

. The river flows for approximately 359 miles (577.8 km) from central Nebraska
Nebraska
Nebraska is a state on the Great Plains of the Midwestern United States. The state's capital is Lincoln and its largest city is Omaha, on the Missouri River....

 into Kansas
Kansas
Kansas is a US state located in the Midwestern United States. It is named after the Kansas River which flows through it, which in turn was named after the Kansa Native American tribe, which inhabited the area. The tribe's name is often said to mean "people of the wind" or "people of the south...

, where it intersects with the Kansas River east of Manhattan
Manhattan, Kansas
Manhattan is a city located in the northeastern part of the state of Kansas in the United States, at the junction of the Kansas River and Big Blue River. It is the county seat of Riley County and the city extends into Pottawatomie County. As of the 2010 census, the city population was 52,281...

. It was given its name by the Kansa
Kaw (tribe)
The Kaw Nation are an American Indian people of the central Midwestern United States. The tribe known as Kaw have also been known as the "People of the South wind", "People of water", Kansa, Kaza, Kosa, and Kasa. Their tribal language is Kansa, classified as a Siouan language.The toponym "Kansas"...

 tribe of Native Americans, who lived at its mouth from 1780 to 1830.

River course

The river passes through mostly agricultural land. Some of the larger towns along its course, in addition to Manhattan, Kansas, include Beatrice, Nebraska
Beatrice, Nebraska
Beatrice is a city in and the county seat of Gage County, Nebraska.Beatrice is located south of Lincoln on the Big Blue River. It is surrounded by agricultural country. The population was 12,459 at the 2010 census.-History:...

; Crete, Nebraska
Crete, Nebraska
Crete is a city in Saline County, Nebraska, United States. The population was 6,960 at the 2010 census.-Geography:Crete is located at .According to the United States Census Bureau, the city has a total area of , all of it land....

; and Seward, Nebraska
Seward, Nebraska
Seward is a city in Seward County, Nebraska, United States. It is part of the Lincoln, Nebraska Metropolitan Statistical Area. The population was 6,133 at the 2000 census...

.
Shortly before intersecting with the Kansas River, the Big Blue discharges its waters into a reservoir called Tuttle Creek Lake
Tuttle Creek Lake
Tuttle Creek Lake is a reservoir on the Big Blue River 5 miles north of Manhattan, in the Flint Hills region of northeast Kansas. It was built and is operated by the Army Corps of Engineers for the purpose of flood control....

, which lies slightly northeast of Manhattan. The reservoir is a man-made flood-control measure, held back by a dam
Dam
A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees are used to manage or prevent water flow into specific land regions. Hydropower and pumped-storage hydroelectricity are...

 composed of the limestone
Limestone
Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate . Many limestones are composed from skeletal fragments of marine organisms such as coral or foraminifera....

, silt
Silt
Silt is granular material of a size somewhere between sand and clay whose mineral origin is quartz and feldspar. Silt may occur as a soil or as suspended sediment in a surface water body...

, and gypsum
Gypsum
Gypsum is a very soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. It is found in alabaster, a decorative stone used in Ancient Egypt. It is the second softest mineral on the Mohs Hardness Scale...

 dredged out of the floodplain by bulldozers left to rust underneath the flooded area. The land surrounding the reservoir is a state park
State park
State parks are parks or other protected areas managed at the federated state level within those nations which use "state" as a political subdivision. State parks are typically established by a state to preserve a location on account of its natural beauty, historic interest, or recreational...

 area, although the Great Flood of 1993
Great Flood of 1993
The Great Mississippi and Missouri Rivers Flood of 1993 occurred in the American Midwest, along the Mississippi and Missouri rivers and their tributaries, from April to October 1993. The flood was among the most costly and devastating to ever occur in the United States, with $15 billion in damages...

 decimated much of the northern area.

The river continues as the outflow from Tuttle Creek Lake for approximately five miles before intersecting with the Kansas River east of Manhattan.

Water rights

Nebraska and Kansas have entered into an agreement of appropriation where Nebraska has full use of the river's water, except that from May 1 to September 30 Nebraska must allow a certain variable flow to pass into Kansas. To date, there has been no shortage of water in the river.

See also

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