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Threats from Polluted Runoff
Heavy rain and snowmelt washes pollution from farm fields and cities into streams, rivers and sewage drains. So-called non-point source pollution—which includes pesticides, fertilizers, oil, grease and other pollutants—ultimately ends up in the Great Lakes, harming water quality and posing a risk to people, fish and wildlife. Great Lakes programs that restore native vegetation and wetlands in both rural and urban communities can prevent polluted run-off and protect water quality. Read more about polluted runoff and the Great Lakes Water Quality Agreement from the U.S. Environmental Protection Agency.