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Federal
Water quality, quantity, and gas fluxes of the Upper Mississippi River basin (WY 2012-2016)
Department of the Interior —
This product consists of one tabular dataset and associated metadata of water quality information related to rivers, streams, and reservoirs in the Upper Mississippi... -
Federal
Point-Source Nutrient Loads to Streams of the Conterminous United States, 2012
Department of the Interior —
The U.S. Geological Survey (USGS) developed a spatial water-quality model called SPAtially Referenced Regressions On Watershed attributes (SPARROW) to estimate the...