US Geological Survey study shows rising nutrient loads in rivers

US Geological Survey study shows rising nutrient loads in rivers

A study from USGS shows nutrient pollution in U.S. rivers can spend a season or longer on the landscape before it reaches a stream. Pictured is the Mississippi River along Dubuque. (Photo by Perry Beeman/Iowa Capital Dispatch)New modeling from the U.S. Geological Survey shows nutrient loads in rivers across the nation increased between 2000 and 2020, largely due to nutrients stored in the landscape from past seasons and current season agricultur…