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1300 Bluff Street
Suite 114
Flint, MI 48504
Ph: 810.767.6490

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The FRWC is a non-political, non-partisan nonprofit organization; as such, we do not endorse candidates for political office.

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Click the image above to hear our Flint River Watershed radio PSA!

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What is a Watershed?

Good Question!  Let us show you…

A watershed is an area of land which drains into a particular body of water. Just as when you pour water in a bathtub, it all ends up in the drain, when it rains on the surface, that water flows to a particular body of water. That water can flow both above the ground through lakes, streams, and wetlands, or below the ground through groundwater and springs.


What does this mean for you?

As part of the Flint River Watershed, anything you do can flow downstream and potentially harm your neighbors. We are all connected by the water that flows past us over our yards and streets and into the storm drains and roadside ditches. What you do at your home, in your car, your place of school or work, and at the places you play all can have an important effect on the Flint River.

Dive Deeper into our Flint River Watershed

Flint River Watershed: The Heart of Michigan

The Flint River Watershed is more than 1,358 square miles and encompasses portions of 7 counties, 20 cities & villages, and 58 townships. The Watershed drains this large land area through the Flint River and all the tributaries of the Flint. It includes most of Genesee and Lapeer Counties, and parts of Shiawassee, Oakland, Tuscola, Sanilac and Saginaw Counties. The Native American name for this river was Pewonigowink, meaning “river of fire stone”. The Flint River is 78.3-mile-long and is formed in Lapeer County near Columbiaville where the river’s South Branch and North Branch come together. The river is supplemented by four major creeks, the Kearsley (draining the south and central portions of the east side of Genesee County), Thread (draining the south central part of the county), Swartz (draining the Swartz Creek area), and Misteguay (draining the area near the northern section of the border of Genesee and Shiawassee counties). The river empties into the Shiawassee River in the Shiawassee National Wildlife Refuge near the city of Saginaw. Within the refuge, the Cass and Tittabawassee rivers combine with the Shiawassee to form the Saginaw River. The Saginaw empties into the Saginaw Bay of Lake Huron. The Flint River Watershed is a sub-watershed of the Saginaw Bay Watershed.

Wherever you live, work, play or go to school….YOU are in a watershed.

 Map of School Districts in the Flint River Watershed

School Districts



Map of the Flint River Watershed




Map of Subwatersheds of the Flint River Watershed

Color subwatersheds small