Blue-green algae is alargeissue for the Lower Fox River in Brown County, Wisconsin. The Lower Fox River feeds into the bay of Green Bayandflowsthroughdensely populated areas.Excessive blue-green algae blooms have become increasingly prevalent in Brown County in recent years, largely due to nutrient runoff from local industry, lawn fertilizers and agricultural fertilizers. Excess nitrogen and phosphorous accumulateinwaterways,creating conditions that allow forexplosive blue-green algae...