Shiawassee River
| Shiawassee River | |
|---|---|
 |
|
| Basin features | |
| Main source |
Springfield Township, Oakland County, Michigan 42°43′51″N 83°30′39″W / 42.73086°N 83.51077°W |
| River mouth |
Saginaw River, Michigan 43°23′13″N 83°57′58″W / 43.38697°N 83.96608°WCoordinates: 43°23′13″N 83°57′58″W / 43.38697°N 83.96608°W |
| Basin size | 1,201 sq mi (3,110 km2) |
| Physical characteristics | |
| Length | 110 mi (180 km) |
The Shiawassee River in the U.S. state of Michigan drains an area of 1,201 square miles (3,110 km2) within Oakland, Genesee, Livingston, Shiawassee, Midland and Saginaw counties. It flows in a generally northerly direction for about 110 miles (180 km) from its source to its confluence with the Tittabawassee River creating the Saginaw River, which drains into the Saginaw Bay of Lake Huron.
The Shiawassee watershed is located south and west of Saginaw Bay in Central Michigan. Its basin is shaped like an hourglass, approximately 65 miles (105 km) long and 30 miles (48 km) wide at each end, and narrows to 5 miles (8.0 km) wide near Corunna. The river rises in Oakland County in Springfield Township at Shiawassee Lake. It is predominately a rural watershed that is dominated by agriculture uses in its lower region and agricultural and rural/small community residential uses upstream.
Near its confluence with the Tittabawassee River, within the bounds of the Shiawassee National Wildlife Refuge, the Shiawassee receives the waters of the Bad, Flint, and Cass Rivers. Smaller tributaries of the river include: Denton/North Ore Creek, South Branch Shiawassee, Jones Porter Drain, Beaver Creek, Birch Run Creek, and Swan Creek. It flows through Holly, Fenton, Linden, Corunna, Owosso, and Chesaning.
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