The Stillwater River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data
The National Map
, accessed May 19, 2011

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

of the

Great Miami River The Great Miami River (also called the Miami River) (Shawnee: ''Msimiyamithiipi'') is a tributary of the Ohio River, approximately long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accesse ...

in western

Ohio Ohio () is a state in the Midwestern region of the United States. Of the fifty U.S. states, it is the 34th-largest by area, and with a population of nearly 11.8 million, is the seventh-most populous and tenth-most densely populated. The sta ...

in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

. Via the Great Miami and

rivers, it is part of the

Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it f ...

watershed Watershed is a hydrological term, which has been adopted in other fields in a more or less figurative sense. It may refer to: Hydrology * Drainage divide, the line that separates neighbouring drainage basins * Drainage basin, called a "watershe ...

. It rises near the

Indiana Indiana () is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th s ...

state line, in western

Darke County Darke County is a county in the U.S. state of Ohio. As of the 2020 census, the population was 51,881. Its county seat is Greenville. The county was created in 1809 and later organized in 1817. It is named for William Darke, an officer in the ...

, approximately northwest of Greenville. It flows east-southeast and is joined by

Greenville Creek Greenville Creek is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed May 19, 2011 tributary of the Stillwater River in southwestern Ohio in the United States. Via the Stillwater River ...

in Covington, approximately west of Piqua. It flows south past Covington and Englewood, where it is dammed for

flood control Flood control methods are used to reduce or prevent the detrimental effects of flood waters."Flood Control", MSN Encarta, 2008 (see below: Further reading). Flood relief methods are used to reduce the effects of flood waters or high water level ...

, then southeast to join the Great Miami River in

Dayton Dayton () is the sixth-largest city in the U.S. state of Ohio and the county seat of Montgomery County. A small part of the city extends into Greene County. The 2020 U.S. census estimate put the city population at 137,644, while Greater Da ...

. Stillwater River was so named on account of its relatively slow current. The Stillwater River was one of the Great Miami River tributaries that flooded during the

Great Dayton Flood The Great Dayton Flood of 1913 resulted from flooding by the Great Miami River reaching Dayton, Ohio, and the surrounding area, causing the greatest natural disaster in Ohio history. In response, the General Assembly passed the Vonderheide Act to ...

of 1913, resulting in the creation of the

Miami Conservancy District The Miami Conservancy District is a river management agency operating in Southwest Ohio to control flooding of the Great Miami River and its tributaries. It was organized in 1915 following the catastrophic Great Dayton Flood of the Great Miami R ...

Variant names

According to the

Geographic Names Information System The Geographic Names Information System (GNIS) is a database of name and locative information about more than two million physical and cultural features throughout the United States and its territories, Antarctica, and the associated states of ...

, the Stillwater River has also been known as: * Jacobs Lateral * Southwest Branch * Stillwater Creek

References

Rivers of Ohio Rivers of Darke County, Ohio Rivers of Miami County, Ohio Rivers of Montgomery County, Ohio {{MiamiCountyOH-geo-stub

Variant names

See also

References