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Paw Paw River Watershed

The larger watershed is divided into 15 sub watersheds, shown in the map below.  More details are provided for each sub watershed by clicking below. 

240505 Paw Paw River p3.PNG

Watershed Overview

  • 145 miles of Paw Paw River and major tributaries 

  • 3 counties, 25 townships, 4 villages, 6 cities, 1 tribe

  • 446 square miles (285,557 acres) of land 

  • About 80,000 people live in the watershed

  • 56% of the watershed drains to COLD water streams

  • 44% of the watershed drains to WARM or COOL waterbodies

  • 78 lakes (10 acres or larger)

  • 50% of presettlement wetland area lost

  • 62% wetland functionality loss

  • Threatened and Endangered Species - 23 animals, 46 plants, 7 communities, 1 Great Blue Heron Rookery 

  • 22 registered dams

  • Fun Fact: To cover this watershed with just one inch of rain requires 7,750,837,760 gallons of water.

Additional Resources:  

SWMLC Study Report

Watershed Management Plan

Watershed Municipalities

Watershed - Wikipedia

USGS Water Level - Riverside, MI

Michigan GIS Open Data Huc 8- ArcGIS

Michigan GIS Open Data Huc 12- ArcGIS

The National Map Viewer

ABOUT US >

Two Rivers Coalition (TRC) is a 501(c)(3) nonprofit dedicated to protecting the Black River and Paw Paw River watersheds in Southwest Michigan. We work to improve water quality, wildlife habitat, and recreational opportunities through conservation, education, and advocacy. Our efforts include hosting public workshops, forums, and lectures, as well as publishing scientific information and resources to keep the community engaged and informed about the health of our rivers.

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© 2025 by TRC

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