Drainage Basin
The St. Joseph River and tributaries drain all or portions of the following:
- Allen County, Indiana
- Cedar Creek Township
- Cedarville
- Eel River Township
- Fort Wayne
- Grabill
- Milan Township
- Perry Township
- St. Joseph Township
- Springfield Township
- Washington Township
- DeKalb County, Indiana
- Auburn
- Butler Township
- Butler
- Concord Township
- Franklin Township
- Garrett
- Jackson Township
- Keyser Township
- Newville Township
- Richland Township
- Grant Township
- Fairfield Township
- Saint Joe
- Smithfield Township
- Spencer Township
- Spencerville
- Stafford Township
- Troy Township
- Union Township
- Waterloo
- Wilmington Township
- Noble County, Indiana
- Avilla
- Allen Township
- Green Township
- LaOtto
- Swan Township
- Wayne Township
- Steuben County, Indiana
- Clear Lake Township
- Hamilton
- Otsego Township
- Richland Township
- York Township
- Defiance County, Ohio
- Milford Township
- Williams County, Ohio
- Bridgewater Township
- Blakeslee
- Center Township
- Edgerton
- Edon
- Florence Township
- Madison Township
- Montpelier
- Northwest Township
- Pioneer
- St. Joseph Township
- Superior Township
- Hillsdale County, Michigan
- Adams Township
- Amboy Township
- Cambria Township
- Camden Township
- Camden
- Jefferson Township
- Osseo
- Pittsford Township
- Ransom Township
- Reading Township
- Wheatland Township
- Woodbridge Township
- Wright Township
Read more about this topic: St. Joseph River (Maumee River)