Improving water quality in the St. Joseph River Watershed by promoting economically and environmentally compatible land uses and practices.

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Hello and thank you for your interest in the St. Joseph River watershed! 

Our watershed is expansive covering more than 694,000 acres in three states and six counties.  Stretching from...

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Watershed Maps

Western Lake Erie Basin Landuse Classification
St. Joseph River as part of Maumee and Western Lake Erie Watersheds
St. Joseph River county and urban areas
St. Joseph River and its nine sub-watersheds