Modeled nutrient and sediment concentrations from major rivers in Illinois based on continuous monitoring from October 1, 2015, through September 30, 2020

During water years 2016–2020, the U.S. Geological Survey, in cooperation with the Illinois Environmental Protection Agency, operated continuous monitoring stations on...2016至2020水文年度期间，美国地质调查局（U.S. Geological Survey）与伊利诺伊州环境保护局（Illinois Environmental Protection Agency）合作，在……布设并运行了连续监测站点。