USGS Potomac River Watershed Accumulated Wastewater Viewer

These data and application are provided as part of USGS research on contaminants in surface waters across the United States and supported by the USGS Water Mission Area Proxies Project and the USGS Ecosystem Mission Area Environmental Health Program (Toxic Substances Hydrology).

This application displays:

• Locations of NPDES (National Pollutant Discharge Elimination Systems) wastewater outfalls with reported discharge.
• Accumulated wastewater as a percentage of measured streamflow from U.S. Geological Survey (USGS) streamgages.
• Model predictions of perfluoroalkyl and polyfluoroalkyl substances (PFAS) loads and concentrations from wastewater.
• Model predictions of pesticide loads and concentrations from wastewater.
• USGS streamgages without upstream wastewater discharges.

Media

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