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USGS Fluvial Erosion Hazards (FEH) Primer

This primer highlights methods used in regional and reach-scale assessments of fluvial erosion hazards (FEH)Fluvial erosion includes bed erosion, meaning lowering of the bed of a stream, as well as bank erosion, which refers to the retreat of stream banks that occurs as a stream widens or migrates laterally.

National Water Information System (NWIS) Mapper

The NWIS mapper provides access to over 1.5 million sites contained in the USGS National Water Information System (NWIS), including sites where current and historical surface-water, groundwater, springs, and atmospheric data has been collected. Users can search by site type, data type, site number, or place.

Nutrient Pollution in the Mississippi River Watershed Story Map

The USGS is working with partners to address nutrient pollution in the Mississippi Watershed. To learn more about this issue, and how the USGS is addressing nuterient monitoring and modeling, check out the StoryMap.